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Hua Y, Vikrant K, Kim KH, Heynderickx PM, Boukhvalov DW. The practical utility of ternary nickel-cobalt-manganese oxide-supported platinum catalysts for room-temperature oxidative removal of formaldehyde from the air. J Colloid Interface Sci 2024; 665:1029-1042. [PMID: 38579386 DOI: 10.1016/j.jcis.2024.04.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2024] [Revised: 03/29/2024] [Accepted: 04/01/2024] [Indexed: 04/07/2024]
Abstract
Formaldehyde (FA), a carcinogenic oxygenated volatile organic compound, is present ubiquitously in indoor air. As such, it is generally regarded as a critical target for air quality management. The oxidative removal of FA under dark and room-temperature (RT) conditions is of practical significance. A series of ternary nickel-cobalt-manganese oxide-supported platinum catalysts (Pt/NiCoMnO4) have been synthesized for FA oxidative removal at RT in the dark. Their RT conversion values for 50 ppm FA (XFA) at 5,964 h-1 gas hourly space velocity (GHSV) decrease in the following order: 1 wt% Pt/NiCoMnO4 (100 %) > 0.5 wt% Pt/NiCoMnO4 (25 %) > 0.05 wt% Pt/NiCoMnO4 (14 %) > NiCoMnO4 (6 %). The catalytic performance of 1 wt% Pt/NiCoMnO4 has been examined further under the control of various process variables (e.g., catalyst mass, flow rate, relative humidity, FA concentration, time on stream, and molecular oxygen content). The catalytic oxidation of FA at low temperatures (e.g., RT and 60 °C) is accounted for by Langmuir-Hinshelwood mechanism (single-site competitive-adsorption), while Mars van Krevelen kinetics is prevalent at higher temperatures. In situ diffuse-reflectance infrared Fourier-transform spectroscopy reveals that FA oxidation proceeds through a series of reaction intermediates such as DOM, HCOO-, and CO32-. Based on the density functional theory simulations, the unique electronic structures of the nearest surface atoms (platinum and nickel) are suggested to be responsible for the superior catalytic activity of Pt/NiCoMnO4.
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Affiliation(s)
- Yongbiao Hua
- Department of Civil and Environmental Engineering, Hanyang University, 222 Wangsimni-Ro, Seoul 04763, Republic of Korea
| | - Kumar Vikrant
- Department of Civil and Environmental Engineering, Hanyang University, 222 Wangsimni-Ro, Seoul 04763, Republic of Korea
| | - Ki-Hyun Kim
- Department of Civil and Environmental Engineering, Hanyang University, 222 Wangsimni-Ro, Seoul 04763, Republic of Korea.
| | - Philippe M Heynderickx
- Center for Environmental and Energy Research (CEER), Engineering of Materials via Catalysis and Characterization, Ghent University Global Campus, 119-5 Songdo Munhwa-ro, Yeonsu-gu, Incheon 406-840, Republic of Korea; Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, B-9000 Ghent, Belgium
| | - Danil W Boukhvalov
- College of Science, Institute of Materials Physics and Chemistry, Nanjing Forestry University, Nanjing 210037, China; Institute of Physics and Technology, Ural Federal University, Mira Street 19, 620002 Yekaterinburg, Russia
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Ranjbari A, Demeestere K, Walgraeve C, Kim KH, Heynderickx PM. Novel kinetic modeling of photocatalytic degradation of ethanol and acetaldehyde in air by commercial and reduced ZnO: Effect of oxygen vacancies and humidity. Chemosphere 2024; 358:142118. [PMID: 38677616 DOI: 10.1016/j.chemosphere.2024.142118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Revised: 02/28/2024] [Accepted: 04/21/2024] [Indexed: 04/29/2024]
Abstract
A comprehensive kinetic model has been developed to address the factors and processes governing the photocatalytic removal of gaseous ethanol by using ZnO loaded in a prototype air purifier. This model simultaneously tracks the concentrations of ethanol and acetaldehyde (as its primary oxidation product) in both gas phase and on the catalyst surface. It accounts for reversible adsorption of both compounds to assign kinetic reaction parameters for different degradation pathways. The effects of oxygen vacancies on the catalyst have been validated through the comparative assessment on the catalytic performance of commercial ZnO before and after the reduction pre-treatment (10% H2/Ar gas at 500 °C). The influence of humidity has also been assessed by partitioning the concentrations of water molecules across the gas phase and catalyst surface interface. Given the significant impact of adsorption on photocatalytic processes, the beginning phases of all experiments (15 min in the dark) are integrated into the model. Results showcase a notable decrease in the adsorption removal of ethanol and acetaldehyde with an increase in relative humidity from 5% to 75%. The estimated number of active sites, as determined by the model, increases from 7.34 10-6 in commercial ZnO to 8.86 10-6 mol gcat-1 in reduced ZnO. Furthermore, the model predicts that the reaction occurs predominantly on the catalyst surface while only 14% in the gas phase. By using quantum yield calculations, the optimal humidity level for photocatalytic degradation is identified as 25% with the highest quantum yield of 6.98 10-3 (commercial ZnO) and 10.41 10-3 molecules photon-1 (reduced ZnO) catalysts.
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Affiliation(s)
- Alireza Ranjbari
- Center for Environmental and Energy Research (CEER) - Engineering of Materials via Catalysis and Characterization, Ghent University Global Campus, 119-5 Songdomunhwa-Ro, Yeonsu-Gu, Incheon, 406-840, Republic of Korea; Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, 653 Coupure Links, Ghent, B-9000, Belgium
| | - Kristof Demeestere
- Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, 653 Coupure Links, Ghent, B-9000, Belgium
| | - Christophe Walgraeve
- Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, 653 Coupure Links, Ghent, B-9000, Belgium
| | - Ki-Hyun Kim
- Department of Civil and Environmental Engineering, Hanyang University, Seoul, 04763, Republic of Korea.
| | - Philippe M Heynderickx
- Center for Environmental and Energy Research (CEER) - Engineering of Materials via Catalysis and Characterization, Ghent University Global Campus, 119-5 Songdomunhwa-Ro, Yeonsu-Gu, Incheon, 406-840, Republic of Korea; Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, 653 Coupure Links, Ghent, B-9000, Belgium.
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Shin H, Vikrant K, Kim KH, Heynderickx PM, Boukhvalov DW. Thermocatalytic oxidation of a binary mixture of formaldehyde and toluene at ambient levels by a titanium dioxide supported platinum catalyst. Sci Total Environ 2024; 915:169612. [PMID: 38154644 DOI: 10.1016/j.scitotenv.2023.169612] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Revised: 12/11/2023] [Accepted: 12/20/2023] [Indexed: 12/30/2023]
Abstract
The thermocatalytic oxidative potential of various supported noble metal catalysts (SNMCs) is well-known for hazardous volatile organic compounds (VOCs), e.g., formaldehyde (FA) and toluene. However, little is known about SNMC performance against ambient VOC pollution with low concentration (subppm levels) relative to industrial effuluents with high concentrations (several hundred ppm). Here, the thermocatalytic oxidation performance of a titanium dioxide (TiO2)-supported platinum catalyst (Pt/TiO2) has been evaluated for a low-concentration binary mixture of FA and toluene at low temperatures and in the dark. A sample of TiO2 containing 1 wt% Pt with thermal reduction pre-treatment under hydrogen achieved 100 % conversion of FA (500 ppb) and toluene (100 ppb) at 130 °C and a gas hourly velocity of 59,701 h-1. Its catalytic activity was lowered by either a decrease in catalyst mass or an increase in VOC concentration, relative humidity, or flow rate. In situ diffuse reflectance infrared Fourier transform spectroscopy, density functional theory simulations, and molecular oxygen (O2) temperature-programmed desorption experiments were used to identify possible VOC oxidation pathways, reaction mechanisms, and associated surface phenomena. The present work is expected to offer insights into the utility of metal oxide-supported Pt catalysts for the low-temperature oxidative removal of gaseous VOCs in the dark, primarily for indoor air quality management.
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Affiliation(s)
- Hyejin Shin
- Department of Civil and Environmental Engineering, Hanyang University, 222 Wangsimni-Ro, Seoul 04763, Republic of Korea
| | - Kumar Vikrant
- Department of Civil and Environmental Engineering, Hanyang University, 222 Wangsimni-Ro, Seoul 04763, Republic of Korea
| | - Ki-Hyun Kim
- Department of Civil and Environmental Engineering, Hanyang University, 222 Wangsimni-Ro, Seoul 04763, Republic of Korea.
| | - Philippe M Heynderickx
- Center for Environmental and Energy Research, Engineering of Materials via Catalysis and Characterization, Ghent University Global Campus, 119-5 Songdo Munhwa-ro, Yeonsu-gu, Incheon 406-840, Republic of Korea; Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, B-9000 Ghent, Belgium.
| | - Danil W Boukhvalov
- College of Science, Institute of Materials Physics and Chemistry, Nanjing Forestry University, Nanjing 210037, China; Institute of Physics and Technology, Ural Federal University, Mira Street 19, 620002 Yekaterinburg, Russia
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Wang J, Vikrant K, Younis SA, Kim KH, Heynderickx PM. Low-temperature oxidative removal of benzene from the air using titanium carbide (MXene)-Supported platinum catalysts. Chemosphere 2024; 350:141114. [PMID: 38184080 DOI: 10.1016/j.chemosphere.2024.141114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 12/30/2023] [Accepted: 01/02/2024] [Indexed: 01/08/2024]
Abstract
MXenes are an emerging class of two-dimensional (2D) inorganic materials with great potential for versatile applications such as adsorption and catalysis. Here, we describe the synthesis of a platinized titanium carbide MXene (Pt@Ti3C2) catalyst with varying amounts of platinum (0.1%-2 wt.%) for the low-temperature oxidation of benzene, an aromatic volatile organic compound often found in industrial flue gas. A 1% formulation of Pt@Ti3C2-R allowed near-complete (97%) oxidation of benzene to CO2 at 225 °C with a steady-state reaction rate (r) of 0.119 mol g-1·h-1. This low-temperature catalytic oxidation reaction was promoted by an increase in the lattice oxygen (O*)/Pt2+ species (active sites) of 1%Pt@Ti3C2-R from 45.3/34.6% to 71.0/61.1% through pre-thermal reduction under H2 flow, as revealed by X-ray photoelectron spectroscopy, temperature-programmed reduction, and in situ diffuse reflectance infrared Fourier transform spectroscopy analyses. The cataltyic activity of 1% Pt@Ti3C2-R against benzene was assessed under the control of the key process variables (e.g., catalyst mass, flow rate, benzene concentration, relative humidity, and time-on-stream) to help optimize the oxidation reaction process. The results provide new insights into the use of platinum-based 2D MXene catalysts for low-temperature oxidative removal of benzene from the air.
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Affiliation(s)
- Jiapeng Wang
- Department of Civil and Environmental Engineering, Hanyang University, 222 Wangsimni-Ro, Seoul, 04763, Republic of Korea
| | - Kumar Vikrant
- Department of Civil and Environmental Engineering, Hanyang University, 222 Wangsimni-Ro, Seoul, 04763, Republic of Korea
| | - Sherif A Younis
- Department of Civil and Environmental Engineering, Hanyang University, 222 Wangsimni-Ro, Seoul, 04763, Republic of Korea; Analysis and Evaluation Department, Egyptian Petroleum Research Institute, Nasr City, Cairo, 11727, Egypt
| | - Ki-Hyun Kim
- Department of Civil and Environmental Engineering, Hanyang University, 222 Wangsimni-Ro, Seoul, 04763, Republic of Korea.
| | - Philippe M Heynderickx
- Center for Environmental and Energy Research (CEER), Engineering of Materials via Catalysis and Characterization, Ghent University Global Campus, 119-5 Songdo Munhwa-ro, Yeonsu-gu, Incheon, 406-840, Republic of Korea; Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, B-9000, Ghent, Belgium
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Adhikary KK, Verpoort F, Heynderickx PM. Theoretical investigation of nucleophilic substitution reaction of phenyl carbonyl isothiocyanates with pyridines in gas and polar aprotic solvent. Phys Chem Chem Phys 2024; 26:3168-3183. [PMID: 38192244 DOI: 10.1039/d3cp04272c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2024]
Abstract
This study focuses on the mutual interaction of substituents in the nucleophile and substrate - cross interaction constant, ρXY, in the uncatalyzed aminolysis by substituting pyridine with phenyl carbonyl isothiocyanate. The mechanism was found to be a stepwise process with a rate-limiting breakdown of the -NCS leaving group. This stepwise reaction mechanism considers the cross-interaction constant (CIC) with rate-limiting breakdown of tetrahedral intermediate in gas and solvent phases. The corresponding Hammett coefficients are related to the substituents associated with (1) the nucleophiles (X), ρX (-1.93 to -6.54 for the gas phase and 10.5 to 18.9 in the solvent model), and with (2) the substituents associated with the phenyl ring of the substrate (Y), ρY (0.41-3.48 for the gas phase and 1.83 to -10.70 for the solvent model). It also includes the Brønsted coefficient with X, βX (0.11-1.52 for the gas phase and -2.57 to 3.96 for the solvent model), and CIC values, ρXY (0.69 for the gas phase and 0.87 for the solvent model). In this work, the NBO analysis, reaction potential, reaction electronic flux (REF), dual descriptor, and the structure-energy relationships were considered in interpreting the mechanistic criteria.
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Affiliation(s)
- Keshab Kumar Adhikary
- Center for Environmental and Energy Research (CEER) - Engineering of Materials via Catalysis and Characterization, Ghent University Global Campus, 119-5 Songdomunhwa-Ro, Yeonsu-Gu, Incheon, 406-840, South Korea.
| | - Francis Verpoort
- Laboratory of Organometallics, Catalysis and Ordered Materials, State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, P. R. China
- National Research Tomsk Polytechnic University, Lenin Avenue 30, 634050 Tomsk, Russian Federation
| | - Philippe M Heynderickx
- Center for Environmental and Energy Research (CEER) - Engineering of Materials via Catalysis and Characterization, Ghent University Global Campus, 119-5 Songdomunhwa-Ro, Yeonsu-Gu, Incheon, 406-840, South Korea.
- Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, Ghent, B-9000, Belgium
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Lee H, De Saeger J, Bae S, Kim M, Depuydt S, Heynderickx PM, Wu D, Han T, Park J. Giant Duckweed ( Spirodela polyrhiza) Root Growth as a Simple and Sensitive Indicator of Copper and Chromium Contamination. Toxics 2023; 11:788. [PMID: 37755798 PMCID: PMC10536059 DOI: 10.3390/toxics11090788] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Revised: 09/12/2023] [Accepted: 09/16/2023] [Indexed: 09/28/2023]
Abstract
Aquatic environment are often contaminated with heavy metals from various industrial sources. However, physicochemical techniques for pollutant detection are limited, thus prompting the need for additional bioassays. We investigated the use of greater duckweed (Spirodela polyrhiza) as a bioindicator of metal pollution. We exposed S. polyrhiza to four pollutants (namely, silver, cadmium, copper, and chromium) and assessed metal toxicity by measuring its frond area and the length of its regrown roots. The plant displayed significant differences in both frond size and root growth in response to the four metals. Silver was the most toxic (EC50 = 23 µg L-1) while copper the least (EC50 = 365-607 µg L-1). Direct comparisons of metal sensitivity and the reliability of the two endpoint assays showed that root growth was more sensitive (lower in terms of 50% effective concentration) to chromium, cadmium, and copper, and was more reliable (lower in terms of coefficient of variation) than those for frond area. Compared to conventional Lemna-based tests, the S. polyrhiza test is easier to perform (requiring only one 24-well plate, 3 mL of medium and a 72-h exposure). Moreover, it does not require livestock cultivation/maintenance, making it more suitable for repeated measurements. Measurements of S. polyrhiza root length may be suitable for assessment when copper and chromium in municipal and industrial wastewater exceed the environmentally permissible levels.
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Affiliation(s)
- Hojun Lee
- Bio Environmental Science and Technology (BEST) Lab, Ghent University Global Campus, 119-5, Songdomunhwa-ro, Incheon 21985, Republic of Korea
| | - Jonas De Saeger
- Department of Plant Biotechnology and Bioinformatics, Ghent University, Technologiepark 71, 9052 Ghent, Belgium
- VIB Center for Plant Systems Biology, Technologiepark 71, 9052 Ghent, Belgium
| | - Sunwoo Bae
- Bio Environmental Science and Technology (BEST) Lab, Ghent University Global Campus, 119-5, Songdomunhwa-ro, Incheon 21985, Republic of Korea
| | - Mirae Kim
- Bio Environmental Science and Technology (BEST) Lab, Ghent University Global Campus, 119-5, Songdomunhwa-ro, Incheon 21985, Republic of Korea
| | - Stephen Depuydt
- Erasmushogeschool Brussel, Quai de l'industrie 170, 1070 Anderlecht, Belgium
| | - Philippe M Heynderickx
- Center for Environmental and Energy Research, Ghent University Global Campus, 119-5, Songdomunhwa-ro, Incheon 21985, Republic of Korea
- Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, 653 Coupure Links, B-9000 Ghent, Belgium
| | - Di Wu
- Center for Environmental and Energy Research, Ghent University Global Campus, 119-5, Songdomunhwa-ro, Incheon 21985, Republic of Korea
- Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, 653 Coupure Links, B-9000 Ghent, Belgium
| | - Taejun Han
- Bio Environmental Science and Technology (BEST) Lab, Ghent University Global Campus, 119-5, Songdomunhwa-ro, Incheon 21985, Republic of Korea
- Department of Animal Sciences and Aquatic Ecology, Ghent University, Wetenschapspark 1, Bluebridge, 8400 Oostende, Belgium
| | - Jihae Park
- Bio Environmental Science and Technology (BEST) Lab, Ghent University Global Campus, 119-5, Songdomunhwa-ro, Incheon 21985, Republic of Korea
- Center for Environmental and Energy Research, Ghent University Global Campus, 119-5, Songdomunhwa-ro, Incheon 21985, Republic of Korea
- Department of Animal Sciences and Aquatic Ecology, Ghent University, Wetenschapspark 1, Bluebridge, 8400 Oostende, Belgium
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Soroush S, Ronsse F, Park J, Ghysels S, Wu D, Kim KW, Heynderickx PM. Microwave assisted and conventional hydrothermal treatment of waste seaweed: Comparison of hydrochar properties and energy efficiency. Sci Total Environ 2023; 878:163193. [PMID: 37003343 DOI: 10.1016/j.scitotenv.2023.163193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 03/27/2023] [Accepted: 03/27/2023] [Indexed: 05/13/2023]
Abstract
Waste seaweed is a valuable source for converting into value-added carbon materials. In this study, the production of hydrochar from waste seaweed was optimized for hydrothermal carbonization in a microwave process. The produced hydrochar was compared with hydrochar synthesized by the regular process using a conventional heating oven. The results show that hydrochar produced with a holding time of 1 h by microwave heating has similar properties to the hydrochar produced in a conventionally heated oven for 4 h (200 °C and water/biomass ratio 5): carbon mass fraction (52.4 ± 3.9 %), methylene blue adsorption capacity (40.2 ± 0.2 mg g-1) and similar observations on surface functional groups and thermal stability were made between hydrochars produced by both methods. The analysis of energy consumption showed microwave assisted carbonization consume higher energy in compare to conventional oven. The present results suggest that hydrochar made from waste seaweed and using the microwave technique could be an energy-saving technology for producing hydrochar with similar specifications to hydrochar produced by conventional heating methods.
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Affiliation(s)
- Sepideh Soroush
- Centre for Environmental and Energy Research (CEER)-Engineering of Materials via Catalysis and Characterization, Ghent University Global Campus, 119-5 Songdomunhwa-Ro, Yeonsu-Gu, Incheon 406-840, South Korea; Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, 653 Coupure Links, Ghent B-9000, Belgium
| | - Frederik Ronsse
- Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, 653 Coupure Links, Ghent B-9000, Belgium
| | - Jihae Park
- Lab of Plant Growth Analysis, Ghent University Global Campus, 119-5 Songdomunhwa-Ro, Yeonsu-Gu, Incheon 406-840, South Korea
| | - Stef Ghysels
- Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, 653 Coupure Links, Ghent B-9000, Belgium
| | - Di Wu
- Centre for Environmental and Energy Research (CEER)-Engineering of Materials via Catalysis and Characterization, Ghent University Global Campus, 119-5 Songdomunhwa-Ro, Yeonsu-Gu, Incheon 406-840, South Korea; Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, 653 Coupure Links, Ghent B-9000, Belgium
| | - Kyoung-Woong Kim
- School of Earth Sciences and Environmental Engineering, Gwangju Institute of Science and Technology (GIST), Gwangju 61005, South Korea
| | - Philippe M Heynderickx
- Centre for Environmental and Energy Research (CEER)-Engineering of Materials via Catalysis and Characterization, Ghent University Global Campus, 119-5 Songdomunhwa-Ro, Yeonsu-Gu, Incheon 406-840, South Korea; Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, 653 Coupure Links, Ghent B-9000, Belgium.
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Hua Y, Verma S, Younis SA, Heynderickx PM, Kim KH. Effects of gas phase composition on competitive adsorption properties of formaldehyde on titanium dioxide-supported platinum in single and mixture compositions. Sci Total Environ 2023:163924. [PMID: 37268122 DOI: 10.1016/j.scitotenv.2023.163924] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2023] [Revised: 04/12/2023] [Accepted: 04/29/2023] [Indexed: 06/04/2023]
Abstract
Titanium dioxide-supported platinum (Pt@TiO2) is regarded as a highly efficient catalyst to degrade various volatile organic compounds (VOCs). To learn more about the hybrid adsorption/catalysis process of Pt@TiO2, the adsorption behavior of FA onto Pt@TiO2 was studied both as single and as multicomponent phases (FA plus four aromatic compounds of benzene, toluene, m-xylene, and styrene (BTXS) through the control of key process variables (e.g., VOCs concentration, relative humidity (RH) levels, and dosage). Moreover, the adsorption performance of Pt@TiO2 against FA was evaluated in terms of key performance metrics such as breakthrough volume (BTV), partition coefficient (PC), and adsorption capacity (Q). The doping of TiO2 with Pt metal ions was demonstrated as an efficient option to enhance the FA adsorption capacity (e.g., by 50 % higher than pristine TiO2) with increased OH (OII) surface active sites and surface porosity. However, the co-presence of BTXS and water vapor greatly reduced its adsorption affinity for FA vapor (e.g., by 2 to 3 folds of magnitude) due to their competitive inhibition on the adsorption interaction. According to the kinetic and isotherms analysis, a complex, multilayered physicochemical process appears to govern the overall adsorption of FA molecules onto Pt@TiO2 surface. Overall, the outcomes of this work are helpful to verify the enhanced removal potential of Pt@TiO2 against FA through sequential adsorption and catalytic reaction mechanisms.
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Affiliation(s)
- Yongbiao Hua
- Department of Civil and Environmental Engineering, Hanyang University, 222 Wangsimni-Ro, Seoul 04763, Republic of Korea
| | - Swati Verma
- Department of Civil and Environmental Engineering, Hanyang University, 222 Wangsimni-Ro, Seoul 04763, Republic of Korea
| | - Sherif A Younis
- Department of Civil and Environmental Engineering, Hanyang University, 222 Wangsimni-Ro, Seoul 04763, Republic of Korea; Analysis and Evaluation Department, Egyptian Petroleum Research Institute (EPRI), Nasr City, Cairo 11727, Egypt
| | - Philippe M Heynderickx
- Center for Environmental and Energy Research (CEER) - Engineering of Materials via Catalysis and Characterization, Ghent University Global Campus, 119-5 Songdomunhwa-Ro, Yeonsu-Gu, Incheon 406-840, South Korea; Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, Ghent B-9000, Belgium
| | - Ki-Hyun Kim
- Department of Civil and Environmental Engineering, Hanyang University, 222 Wangsimni-Ro, Seoul 04763, Republic of Korea.
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Soroush S, Ronsse F, Park J, Heynderickx PM. Comparison Study on the Water-to-Biomass Ratio in Hydrothermal Carbonization of Fresh Seaweed. Processes (Basel) 2023. [DOI: 10.3390/pr11041123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/08/2023] Open
Abstract
Upgrading wet biomass to char via hydrothermal carbonization is a promising method to produce valuable resources for adsorption of organic impurities. In this work, a fresh green seaweed, Ulva pertusa, was investigated to demonstrate the effects of pre-drying and pre-washing on the process and the hydrochar production. Surface moisture and bound moisture were found to affect this process. Hydrochar produced from fresh seaweed with additional water showed similar adsorption capacity to fresh seaweed without additional water and 38% higher than hydrochar from soaked dry seaweed. This was supported by FTIR spectra analysis, which showed that these hydrochars produced from fresh seaweed without additional water have the highest proportion of carboxyl functional groups.
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Affiliation(s)
- Sepideh Soroush
- Centre for Environmental and Energy Research (CEER)—Engineering of Materials via Catalysis and Characterization, Ghent University Global Campus, 119-5 Songdomunhwa-Ro, Yeonsu-Gu, Incheon 21985, Republic of Korea
- Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, 653 Coupure Links, B-9000 Ghent, Belgium
| | - Frederik Ronsse
- Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, 653 Coupure Links, B-9000 Ghent, Belgium
| | - Jihae Park
- Lab of Plant Growth Analysis, Ghent University Global Campus, 119-5 Songdomunhwa-Ro, Yeonsu-Gu, Incheon 21985, Republic of Korea
| | - Philippe M. Heynderickx
- Centre for Environmental and Energy Research (CEER)—Engineering of Materials via Catalysis and Characterization, Ghent University Global Campus, 119-5 Songdomunhwa-Ro, Yeonsu-Gu, Incheon 21985, Republic of Korea
- Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, 653 Coupure Links, B-9000 Ghent, Belgium
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Park J, Shin K, Lee H, Choi S, Kim G, Depuydt S, De Saeger J, Heynderickx PM, Wu D, Asselman J, Janssen C, Han T. Evaluating ecotoxicological assays for comprehensive risk assessment of toxic metals present in industrial wastewaters in the Republic of Korea. Sci Total Environ 2023; 867:161536. [PMID: 36638998 DOI: 10.1016/j.scitotenv.2023.161536] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/16/2022] [Revised: 01/04/2023] [Accepted: 01/07/2023] [Indexed: 06/17/2023]
Abstract
Toxicity tests represent a rapid, user-friendly and cost-effective means to assess the impact of wastewater quality on aquatic ecosystems. There are not many cases where wastewater management standards are set based on various bio-based ecotoxicity values. Here, we tested a novel multitaxon approach to compare standard water quality indices to toxicity metrics obtained from ecotoxicity tests, conducted using aquatic organisms representing several trophic levels (Aliivibrio, Ulva, Daphnia, and Lemna), for 99 industrial wastewater samples from South Korea. For five wastewater samples, the concentrations of Se, Zn, or Ni exceeded the permissible limits (1, 5, and 3 mg L-1, respectively). All the four physiochemical water quality indices tested were positively correlated with Se and Pb concentrations. The toxicity unit (TU) scores indicated a declining sensitivity to pollutants, in the order Lemna (2.87) >Daphnia (2.24) >Aliivibrio (1.78) >Ulva (1.42). Significant correlations were observed between (1) Cd and Ni, and Aliivibrio, (2) Cu and Daphnia, (3) Cd, Cu, Zn, and Cr and Lemna, and (4) Cu, Zn, and Ni and Ulva. Daphnia-Lemna and Lemna-Ulva were found to be good indicators of ecologically harmful Se and Ni contents in wastewater, respectively. We suggest that regulatory thresholds based on these bioassays should be set at TU = 1 for all the species or at TU = 1 for Aliivibrio and Ulva and TU = 2 for Daphnia and Lemna, if the number of companies whose wastewater discharge exceeds the allowable TU levels is <1 % or 5 % of the total number of industries, respectively. Taken together, these findings could help in establishing a rapid, ecologically relevant wastewater quality assessment system that would be useful for developing strategies to protect aquatic ecosystems.
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Affiliation(s)
- Jihae Park
- Center for Environmental and Energy Research, Ghent University Global Campus, 119-5, Songdomunhwa-ro, Incheon 21985, Republic of Korea; Department of Animal Sciences and Aquatic Ecology, Ghent University, Coupure Links 653-Block F, B-9000 Gent, Belgium
| | - Kisik Shin
- Water Environmental Engineering Research Division, National Institute of Environmental Research (NIER), 42, Hwangyeong-ro, Incheon 22689, Republic of Korea
| | - Hojun Lee
- Bio Environmental Science and Technology (BEST) Lab, Ghent University Global Campus, 119-5, Songdomunhwa-ro, Incheon 21985, Republic of Korea
| | - Soyeon Choi
- Bio Environmental Science and Technology (BEST) Lab, Ghent University Global Campus, 119-5, Songdomunhwa-ro, Incheon 21985, Republic of Korea
| | - Geonhee Kim
- Bio Environmental Science and Technology (BEST) Lab, Ghent University Global Campus, 119-5, Songdomunhwa-ro, Incheon 21985, Republic of Korea
| | - Stephen Depuydt
- Laboratory of Plant Growth Analysis, Ghent University Global Campus, 119-5, Songdomunhwa-ro, Incheon 21985, Republic of Korea
| | - Jonas De Saeger
- Laboratory of Plant Growth Analysis, Ghent University Global Campus, 119-5, Songdomunhwa-ro, Incheon 21985, Republic of Korea
| | - Philippe M Heynderickx
- Center for Environmental and Energy Research, Ghent University Global Campus, 119-5, Songdomunhwa-ro, Incheon 21985, Republic of Korea; Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, B-9000 Gent, Belgium
| | - Di Wu
- Center for Environmental and Energy Research, Ghent University Global Campus, 119-5, Songdomunhwa-ro, Incheon 21985, Republic of Korea; Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, B-9000 Gent, Belgium
| | - Jana Asselman
- Department of Applied Ecology and Environmental Biology, Ghent University, Coupure Links 653-Block F, B-9000 Gent, Belgium
| | - Colin Janssen
- Department of Applied Ecology and Environmental Biology, Ghent University, Coupure Links 653-Block F, B-9000 Gent, Belgium
| | - Taejun Han
- Department of Animal Sciences and Aquatic Ecology, Ghent University, Coupure Links 653-Block F, B-9000 Gent, Belgium; Bio Environmental Science and Technology (BEST) Lab, Ghent University Global Campus, 119-5, Songdomunhwa-ro, Incheon 21985, Republic of Korea.
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Ranjbari A, Kim J, Kim JH, Yu J, Demeestere K, Heynderickx PM. Enhancement of commercial ZnO adsorption and photocatalytic degradation capacity of methylene blue by oxygen vacancy modification: Kinetic study. Catal Today 2022. [DOI: 10.1016/j.cattod.2022.12.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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12
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Bhogal S, Mohiuddin I, Malik AK, Brown RJC, Heynderickx PM, Kim KH, Kaur K. Mesoporous silica imprinted carbon dots for the selective fluorescent detection of triclosan. Sci Total Environ 2022; 845:157289. [PMID: 35839899 DOI: 10.1016/j.scitotenv.2022.157289] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2022] [Revised: 07/06/2022] [Accepted: 07/07/2022] [Indexed: 06/15/2023]
Abstract
A molecularly imprinted fluorescence sensor built as a mesoporous structured silica imprinted layer on the surface of carbon dots (CDs@m-MIP) was employed for the selective detection of triclosan (TRI). The fluorescence of this CDs@m-MIP was affected sensitively and selectively by TRI via an electron transfer-induced fluorescence quenching mechanism with a detection limit of TRI at 1.08 nM (range 1.72-138 nM) under the optimum setup (e.g., pH, response time, and CDs@m-MIP dose). This approach was used successfully to detect TRI in real water samples (e.g., sewage, river, and tap water). The recoveries of TRI were satisfactory in spiked river and tap water (in 94.7-99.5 %). The outcome of this research is thus expected to help develop highly efficient fluorescent sensing systems towards diverse hazardous compounds including TRI.
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Affiliation(s)
- Shikha Bhogal
- Department of Chemistry, Punjabi University, Patiala 147002, Punjab, India
| | - Irshad Mohiuddin
- Department of Chemistry, Panjab University, Sector-14, Chandigarh 160014, India
| | - Ashok Kumar Malik
- Department of Chemistry, Punjabi University, Patiala 147002, Punjab, India.
| | - Richard J C Brown
- Atmospheric Environmental Science Department, National Physical Laboratory, Hampton Road, Teddington TW11 0LW, UK
| | - Philippe M Heynderickx
- Centre for Environmental and Energy Research (CEER) - Engineering of Materials via Catalysis and Characterization, Ghent University Global Campus, 119-5 Songdomunhwa-Ro, Yeonsu-Gu, Incheon, 406-840, South Korea; Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, Ghent, B-9000, Belgium
| | - Ki-Hyun Kim
- Department of Civil and Environmental Engineering, Hanyang University, Seoul 04763, South Korea.
| | - Kuldeep Kaur
- Department of Chemistry, Mata Gujri College, Fatehgarh Sahib 140407, India
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Vikrant K, Kim KH, Dong F, Heynderickx PM, Boukhvalov DW. Low-temperature oxidative removal of gaseous formaldehyde by an eggshell waste supported silver-manganese dioxide bimetallic catalyst with ultralow noble metal content. J Hazard Mater 2022; 434:128857. [PMID: 35429758 DOI: 10.1016/j.jhazmat.2022.128857] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Revised: 04/01/2022] [Accepted: 04/01/2022] [Indexed: 06/14/2023]
Abstract
Under dark/low temperature (DLT) conditions, the oxidative removal of gaseous formaldehyde (FA) was studied using eggshell waste supported silver (Ag)-manganese dioxide (MnO2) bimetallic catalysts. To assess the synergistic effects between the two different metals, 0.03%-Ag-(0.5-5%)-MnO2/Eggshell catalysts were prepared and employed for DLT-oxidation of FA. The steady-state FA oxidation reaction rate (mmol g-1 h-1), when measured using 100 ppm FA at 80 °C (gas hourly space velocity (GHSV) of 5308 h-1), varied as follows: Ag-1.5%-MnO2/Eggshell-R (9.4) > Ag-3%-MnO2/Eggshell-R (8.1) > Ag-1.5%-MnO2/Eggshell (7.5) > Ag-5%-MnO2/Eggshell-R (7.2) > Ag-1.5%-MnO2/CaCO3-R (6.8) > MnO2-R (6) > Ag-0.5%-MnO2/Eggshell-R (3.2) > Ag/Eggshell-R (2.6). (Here, 'R' denotes hydrogen-based thermochemical reduction pretreatment.) The temperature required for 90% FA conversion (T90) at the same GHSV exhibited a contrary ordering: Ag/Eggshell-R (175 °C) > Ag-0.5%-MnO2/Eggshell-R (123 °C) > Ag-5%-MnO2/Eggshell-R (113 °C) > MnO2-R (99 °C) > Ag-1.5%-MnO2/Eggshell (96 °C) > Ag-3%-MnO2/Eggshell-R (93 °C) > Ag-1.5%-MnO2/Eggshell-R (77 °C). The eggshell catalyst outperformed the ones made of commercial calcium carbonate due to the presence of defects in the former. The MnO2 co-catalyst enhances the catalytic activities through the capture and activation of atmospheric oxygen (O2) with rapid catalytic regeneration. Also, MnO2 favorably captures the hydrogen of the adsorbed FA molecules to make the oxidation pathway thermodynamically more favorable.
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Affiliation(s)
- Kumar Vikrant
- Department of Civil and Environmental Engineering, Hanyang University, 222 Wangsimni-Ro, Seoul 04763, Republic of Korea
| | - Ki-Hyun Kim
- Department of Civil and Environmental Engineering, Hanyang University, 222 Wangsimni-Ro, Seoul 04763, Republic of Korea.
| | - Fan Dong
- Yangtze Delta Region Institute (Huzhou) & Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Huzhou 313001, China.
| | - Philippe M Heynderickx
- Center for Environmental and Energy Research (CEER), Engineering of Materials via Catalysis and Characterization, Ghent University Global Campus, 119-5 Songdo Munhwa-ro, Yeonsu-gu, Incheon 406-840, Republic of Korea; Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, Ghent B-9000, Belgium.
| | - Danil W Boukhvalov
- College of Science, Institute of Materials Physics and Chemistry, Nanjing Forestry University, Nanjing 210037, China; Institute of Physics and Technology, Ural Federal University, Mira Street 19, Yekaterinburg 620002, Russia
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Anand B, Kim KH, Sonwani RK, Szulejko JE, Heynderickx PM. Removal of gaseous benzene by a fixed-bed system packed with a highly porous metal-organic framework (MOF-199) coated glass beads. Environ Res 2022; 208:112655. [PMID: 34998811 DOI: 10.1016/j.envres.2021.112655] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Revised: 12/29/2021] [Accepted: 12/29/2021] [Indexed: 06/14/2023]
Abstract
The utility of nanomaterial adsorbents is often limited by their physical features, especially fine particle size. For example, a large bed-pressure drop is accompnied inevitably, if fine-particle sorbents are used in a packed bed system. To learn more about the effect of adsorbent morphology on uptake performance, we examined the adsorption efficiency of metal-organic framework 199 (MOF-199) in the pristine (fine powder) form and after its binding on to glass beads as an inert support. Most importantly, we investigated the effect of such coatings on adsorption of gaseous benzene (0.1-10 Pa) in a dry N2 stream, particularly as a function of the amount of MOF-199 loaded on glass beads (MOF-199@GB) (i.e., 0,% 1%, 3%, 10%, and 20%, w/w) at near-ambient conditions (298 K and 1 atm). A 1% MOF-199 load gave optimal performance against a 0.1 Pa benzene vapor stream in 1 atm of N2, with a two-to five-fold improvement (e.g., in terms of 10% breakthrough volume [BTV] (46 L atm [g.MOF-199)-1], partition coefficient at 100% BTV (3 mol [kg.MOF-199]-1 Pa-1), and adsorption capacity at 100% BTV (20 mg [g.MOF-199]-1 (areal capacity: 8.8 × 10-7 mol m-2) compared with those of 3%, 10%, and 20% loading. The relative performance of benzene adsorption was closely associated with the content of MOF-199@GB (e.g., 1% > 3% > 10% > 20%) and the surface availability (m2 [g.MOF-199]-1) such as 291 > 221 > 198 > 181, respectively. This study offers new insights into the strategies needed to expand the utility of finely powdered MOFs in various environmental applications.
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Affiliation(s)
- Bhaskar Anand
- Department of Civil and Environmental Engineering, Hanyang University, Seoul, 04763, Republic of Korea
| | - Ki-Hyun Kim
- Department of Civil and Environmental Engineering, Hanyang University, Seoul, 04763, Republic of Korea.
| | - Ravi Kumar Sonwani
- Department of Chemical Engineering & Technology Indian Institute of Technology (BHU), Varanasi, 221005, Uttar Pradesh, India; Department of Chemical Engineering, Indian Institute of Petroleum and Energy (IIPE), Visakhapatnam, 530003, Andhra Pradesh, India
| | - Jan E Szulejko
- Department of Civil and Environmental Engineering, Hanyang University, Seoul, 04763, Republic of Korea
| | - Philippe M Heynderickx
- Center for Environmental and Energy Research (CEER) - Engineering of Materials Via Catalysis and Characterization, Ghent University Global Campus, 119-5 Songdomunhwa-Ro, Yeonsu-Gu, Incheon, 406-840 South Korea; Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, Ghent, B.9000, Belgium
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Tran TY, Younis SA, Heynderickx PM, Kim KH. Validation of two contrasting capturing mechanisms for gaseous formaldehyde between two different types of strong metal-organic framework adsorbents. J Hazard Mater 2022; 424:127459. [PMID: 34670171 DOI: 10.1016/j.jhazmat.2021.127459] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Revised: 09/21/2021] [Accepted: 10/06/2021] [Indexed: 06/13/2023]
Abstract
In this research, the adsorption behavior of formaldehyde (FA) onto two types of metal-organic frameworks (MOFs: MOF-199 [M199] and UiO-66-NH2 [U6N]) is investigated against changes in the key process variables (e.g., FA partial pressure (0.5-10 Pa), temperature (30-120 °C), and relative humidity (RH: 0%, 50%, and 100%)). The results revealed that the FA adsorption behavior onto both MOFs is exothermic in nature. Besides, their relative dominance for FA uptake varies interactively with the changes in RH and FA partial pressure levels. As the FA levels increase in dry conditions, their breakthrough volumes (BTV (100% BT)) exhibit contrasting trends: The values of U6N decreased noticeably from 5232 and 3792 L·atm·g-1, while those of M199 increased from 4152 to 5772 L·atm·g-1. The superiority of U6N over M199 in the lower FA level (at<5 Pa) is supported by the Lewis acid-base interactions with amine groups (U6N) in line with kinetic/isotherm studies. Such superiority is also persistent at higher (10 Pa) FA level under all humid conditions in line with its higher moisture stability. However, in dry conditions, the reversal of relative dominance in which M199 exhibits enhanced efficacy for 10 Pa FA uptake (relative to U6N) should reflect its breathing effects with the potent role of pore-diffusion mechanism. This study offers valuable insights into the construction of tunable adsorbents with enhanced adsorptivity toward key targets.
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Affiliation(s)
- Thi Yen Tran
- Department of Civil and Environmental Engineering, Hanyang University, Seoul 04763, Republic of Korea
| | - Sherif A Younis
- Department of Civil and Environmental Engineering, Hanyang University, Seoul 04763, Republic of Korea; Analysis and Evaluation Department, Egyptian Petroleum Research Institute, 11727 Nasr City, Cairo, Egypt
| | - Philippe M Heynderickx
- Center for Environmental and Energy Research (CEER) - Engineering of Materials via Catalysis and Characterization, Ghent University Global Campus, 119-5 Songdomunhwa-Ro, Yeonsu-Gu, Incheon 406-840 Republic of Korea; Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, Ghent B-9000, Belgium
| | - Ki-Hyun Kim
- Department of Civil and Environmental Engineering, Hanyang University, Seoul 04763, Republic of Korea.
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Ahmar Siddiqui M, Biswal BK, Heynderickx PM, Kim J, Khanal SK, Chen G, Wu D. Dynamic anaerobic membrane bioreactor coupled with sulfate reduction (SrDMBR) for saline wastewater treatment. Bioresour Technol 2022; 346:126447. [PMID: 34861386 DOI: 10.1016/j.biortech.2021.126447] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Revised: 11/23/2021] [Accepted: 11/25/2021] [Indexed: 06/13/2023]
Abstract
This study investigated organic removal performance, characteristics of the membrane dynamics, membrane fouling and the effects of biological sulfate reduction during high-salinity (1.0%) and high-sulfate (150 mgSO42--S/L) wastewater treatment using a laboratory-scale upflow anaerobic sludge bed reactor integrated with cross-flow dynamic membrane modules. Throughout the operational period, dynamic membrane was formed rapidly (within 5-10 min) following each backwashing cycle (21-16 days), and the permeate turbidity of <5-7 NTU was achieved with relatively high specific organic conversion (70-100 gTOC/kgVSS·d) and specific sulfate reduction (50-70 gSO42--S/kgVSS·d) rates. The sulfide from sulfate reduction can be reused for downstream autotrophic denitrification. 16S rRNA gene amplicon sequencing revealed that the microbial communities enriched in the sludge were different than those accumulated on the dynamic layer. Overall, this study demonstrates that the anaerobic dynamic membrane bioreactor coupled with sulfate reduction (SrDMBR) shows promising applicability in saline wastewater treatment.
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Affiliation(s)
- Muhammad Ahmar Siddiqui
- Department of Civil and Environmental Engineering, Water Technology Centre, Hong Kong Branch of Chinese National Engineering Research Centre for Control & Treatment of Heavy Metal Pollution, The Hong Kong University of Science & Technology, Clear Water Bay, Kowloon, Hong Kong, China
| | - Basanta Kumar Biswal
- Department of Civil and Environmental Engineering, Water Technology Centre, Hong Kong Branch of Chinese National Engineering Research Centre for Control & Treatment of Heavy Metal Pollution, The Hong Kong University of Science & Technology, Clear Water Bay, Kowloon, Hong Kong, China
| | - Philippe M Heynderickx
- Centre for Environmental and Energy Research (CEER), Ghent University Global Campus, Incheon, South Korea; Department of Green Chemistry and Technology, Ghent University, Ghent, Belgium
| | - Jeonghwan Kim
- Department of Environmental Engineering, Program of Environmental and Polymer Engineering, Inha University, Michuhologu, Inharo 100, Incheon, South Korea
| | - Samir Kumar Khanal
- Department of Molecular Biosciences and Bioengineering, University of Hawai'i at Mānoa, Honolulu, HI 96882, USA
| | - Guanghao Chen
- Department of Civil and Environmental Engineering, Water Technology Centre, Hong Kong Branch of Chinese National Engineering Research Centre for Control & Treatment of Heavy Metal Pollution, The Hong Kong University of Science & Technology, Clear Water Bay, Kowloon, Hong Kong, China
| | - Di Wu
- Department of Civil and Environmental Engineering, Water Technology Centre, Hong Kong Branch of Chinese National Engineering Research Centre for Control & Treatment of Heavy Metal Pollution, The Hong Kong University of Science & Technology, Clear Water Bay, Kowloon, Hong Kong, China; Centre for Environmental and Energy Research (CEER), Ghent University Global Campus, Incheon, South Korea; Department of Green Chemistry and Technology, Ghent University, Ghent, Belgium.
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Wang J, Chaemchuen S, Chen C, Heynderickx PM, Roy S, Verpoort F. N-functionalized hierarchical carbon composite derived from ZIF-67 and carbon foam for efficient overall water splitting. J IND ENG CHEM 2022. [DOI: 10.1016/j.jiec.2021.09.024] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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Aljammal N, Lenssens A, Reviere A, Verberckmoes A, Thybaut JW, Verpoort F, Heynderickx PM. Featured Cover. Appl Organomet Chem 2021. [DOI: 10.1002/aoc.6533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Aljammal N, Lenssens A, Reviere A, Verberckmoes A, Thybaut JW, Verpoort F, Heynderickx PM. Metal–organic frameworks as catalysts for fructose conversion into 5‐hydroxymethylfurfural: Catalyst screening and parametric study. Appl Organomet Chem 2021. [DOI: 10.1002/aoc.6419] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Noor Aljammal
- Center for Environmental and Energy Research (CEER) – Engineering of Materials via Catalysis and Characterization Ghent University Global Campus Incheon South Korea
- Department of Green Chemistry and Technology, Faculty of Bioscience Engineering Ghent University Ghent Belgium
| | - Alexandra Lenssens
- Center for Environmental and Energy Research (CEER) – Engineering of Materials via Catalysis and Characterization Ghent University Global Campus Incheon South Korea
- Industrial Catalysis and Adsorption Technology (INCAT), Department of Materials, Textiles and Chemical Engineering, Faculty of Engineering and Architecture Ghent University Ghent Belgium
| | - Arno Reviere
- Industrial Catalysis and Adsorption Technology (INCAT), Department of Materials, Textiles and Chemical Engineering, Faculty of Engineering and Architecture Ghent University Ghent Belgium
- Laboratory for Chemical Technology, Faculty of Engineering and Architecture Ghent University Ghent Belgium
| | - An Verberckmoes
- Industrial Catalysis and Adsorption Technology (INCAT), Department of Materials, Textiles and Chemical Engineering, Faculty of Engineering and Architecture Ghent University Ghent Belgium
| | - Joris W. Thybaut
- Laboratory for Chemical Technology, Faculty of Engineering and Architecture Ghent University Ghent Belgium
| | - Francis Verpoort
- Center for Environmental and Energy Research (CEER) – Engineering of Materials via Catalysis and Characterization Ghent University Global Campus Incheon South Korea
- Department of Organometallics, Catalysis and Ordered Materials, State Key Laboratory of Advanced Technology for Materials Synthesis and Processing; Center for Chemical and Material Engineering Wuhan University of Technology Wuhan China
| | - Philippe M. Heynderickx
- Center for Environmental and Energy Research (CEER) – Engineering of Materials via Catalysis and Characterization Ghent University Global Campus Incheon South Korea
- Department of Green Chemistry and Technology, Faculty of Bioscience Engineering Ghent University Ghent Belgium
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Rao S, Heynderickx PM. Conditions for the validity of Michaelis-Menten approximation of some complex enzyme kinetic mechanisms. Biochem Eng J 2021. [DOI: 10.1016/j.bej.2021.108007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Zhang L, Li Y, Wang W, Zhang W, Zuo Q, Abdelkader A, Xi K, Heynderickx PM, Kim KH. The potential of microplastics as adsorbents of sodium dodecyl benzene sulfonate and chromium in an aqueous environment. Environ Res 2021; 197:111057. [PMID: 33757825 DOI: 10.1016/j.envres.2021.111057] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Revised: 03/16/2021] [Accepted: 03/17/2021] [Indexed: 05/11/2023]
Abstract
Considering the omnipresence of microplastics (MPs) in aquatic environments, they are expected to exert significatn impacts as carriers for diverse waterborne pollutants. In this work, the adsorptive behavior of two ionic components (i.e., sodium dodecyl benzene sulfonate (SDBS) and Cr(VI)) has been explored against the two types of MPs as model adsorbents, namely poly (ethylene terephthalate) (PET) and polystyrene (PS). The influence of key variables (e.g., pH, particle size, and dose of the MPs) on their adsorption behavior is evaluated from various respects. The maximum adsorption capacity values of SDBS on PET and PS are estimated to be 4.80 and 4.65 mg⋅g-1, respectively, while those of Cr(VI) ions are significantly lower at 0.080 and 0.072 mg⋅g-1, respectively, The adsorptive equilibrium of SDBS is best described in relation to pH and MP size by a Freundlich isotherm. In contrast, the adsorption behavior of Cr(VI) is best accounted for by a Langmuir isotherm to indicate its adsorption across at least two active surface sites.
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Affiliation(s)
- Liying Zhang
- School of Ecology and Environment Science, Zhengzhou University, 100 Kexue Avenue, Zhengzhou, Henan, 450001, PR China; State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin, 150001, PR China; Zhengzhou Key Laboratory of Water Resource and Environment, Zhengzhou, 450001, China; Henan International Joint Laboratory of Water Cycle Simulation and Environmental Protection, Zhengzhou, 450001, PR China
| | - Yonggan Li
- School of Ecology and Environment Science, Zhengzhou University, 100 Kexue Avenue, Zhengzhou, Henan, 450001, PR China; Zhengzhou Key Laboratory of Water Resource and Environment, Zhengzhou, 450001, China; Henan International Joint Laboratory of Water Cycle Simulation and Environmental Protection, Zhengzhou, 450001, PR China
| | - Wenxia Wang
- School of Ecology and Environment Science, Zhengzhou University, 100 Kexue Avenue, Zhengzhou, Henan, 450001, PR China; Zhengzhou Key Laboratory of Water Resource and Environment, Zhengzhou, 450001, China; Henan International Joint Laboratory of Water Cycle Simulation and Environmental Protection, Zhengzhou, 450001, PR China
| | - Wei Zhang
- School of Ecology and Environment Science, Zhengzhou University, 100 Kexue Avenue, Zhengzhou, Henan, 450001, PR China; Zhengzhou Key Laboratory of Water Resource and Environment, Zhengzhou, 450001, China; Henan International Joint Laboratory of Water Cycle Simulation and Environmental Protection, Zhengzhou, 450001, PR China; School of Water Conservancy Engineering, Zhengzhou University, 100 Kexue Avenue, Zhengzhou, Henan, 450001, PR China; Yellow River Institute for Ecological Protection and Regional Coordination Development, Zhengzhou University, 100 Kexue Avenue, Zhengzhou, Henan, 450001, PR China.
| | - Qiting Zuo
- Zhengzhou Key Laboratory of Water Resource and Environment, Zhengzhou, 450001, China; Henan International Joint Laboratory of Water Cycle Simulation and Environmental Protection, Zhengzhou, 450001, PR China; School of Water Conservancy Engineering, Zhengzhou University, 100 Kexue Avenue, Zhengzhou, Henan, 450001, PR China; Yellow River Institute for Ecological Protection and Regional Coordination Development, Zhengzhou University, 100 Kexue Avenue, Zhengzhou, Henan, 450001, PR China
| | - Amor Abdelkader
- Faculty of Science and Technology, Bournemouth University, Talbot Campus, Fern Barrow, Poole, BH12 5BB, United Kingdom
| | - Kai Xi
- Cambridge Graphene Centre, Department of Engineering, University of Cambridge, Cambridge, CB3 0FA, United Kingdom.
| | - Philippe M Heynderickx
- Center for Environmental and Energy Research (CEER) - Engineering of Materials Via Catalysis and Characterization, Ghent University Global Campus, 119-5 Songdomunhwa-Ro, Yeonsu-Gu, Incheon, 406-840, South Korea; Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, Ghent, B-9000, Belgium
| | - Ki-Hyun Kim
- Department of Civil and Environmental Engineering, Hanyang University, Seoul, 04763, South Korea.
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22
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Huang H, Zeng Q, Heynderickx PM, Chen GH, Wu D. Electrochemical pretreatment (EPT) of waste activated sludge: Extracellular polymeric substances matrix destruction, sludge solubilisation and overall digestibility. Bioresour Technol 2021; 330:125000. [PMID: 33773266 DOI: 10.1016/j.biortech.2021.125000] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2021] [Revised: 03/09/2021] [Accepted: 03/10/2021] [Indexed: 06/12/2023]
Abstract
Anaerobic digestion (AD) of waste activated sludge (WAS) is widely used for stabilisation, mass reduction and resource recovery. However, AD performance is often hampered by the poor digestibility and slow degradation rate for WAS. A series of bench-scale tests was conducted using innovative electrochemical pretreatment (EPT) method to enhance the destruction of the extracellular polymeric substances (EPS) matrix and anaerobic digestibility. The results showed that the EPS matrix destruction was enhanced by 15-30% after EPT for 0.5 h at voltages of 8-15 V. The highest improvement in hydrolysis rate and overall digestibility was achieved at EPT of 15 V for 1.5 h, which was determined as 59% (from 0.27 to 0.43 d-1) and 28% (from 105 to 134 mL CH4/g VSSadded) respectively, compared with the WAS treatment without EPT. The economic analysis showed 1 h, 12 V EPT was more economically feasible.
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Affiliation(s)
- Hao Huang
- Department of Civil and Environmental Engineering, Chinese National Engineering Research Center for Control & Treatment of Heavy Metal Pollution (Hong Kong Branch) and Water Technology Center, The Hong Kong University of Science and Technology, Hong Kong, China; Shenzhen Research Institute, HKUST Fork Ying Tung Graduate School, The Hong Kong University of Science and Technology, Guangdong, China
| | - Qian Zeng
- Department of Civil and Environmental Engineering, Chinese National Engineering Research Center for Control & Treatment of Heavy Metal Pollution (Hong Kong Branch) and Water Technology Center, The Hong Kong University of Science and Technology, Hong Kong, China
| | - Philippe M Heynderickx
- Center for Environmental and Energy Research (CEER), Ghent University Global Campus, 119-5 Songdomunhwa-Ro, Yeonsu-Gu, Incheon 406-840, South Korea; Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, B-9000 Ghent, Belgium
| | - Guang-Hao Chen
- Department of Civil and Environmental Engineering, Chinese National Engineering Research Center for Control & Treatment of Heavy Metal Pollution (Hong Kong Branch) and Water Technology Center, The Hong Kong University of Science and Technology, Hong Kong, China; Shenzhen Research Institute, HKUST Fork Ying Tung Graduate School, The Hong Kong University of Science and Technology, Guangdong, China
| | - Di Wu
- Department of Civil and Environmental Engineering, Chinese National Engineering Research Center for Control & Treatment of Heavy Metal Pollution (Hong Kong Branch) and Water Technology Center, The Hong Kong University of Science and Technology, Hong Kong, China; Shenzhen Research Institute, HKUST Fork Ying Tung Graduate School, The Hong Kong University of Science and Technology, Guangdong, China.
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23
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Vandemoortele A, Heynderickx PM, Leloup L, De Meulenaer B. Kinetic modeling of malondialdehyde reactivity in oil to simulate actual malondialdehyde formation upon lipid oxidation. Food Res Int 2021; 140:110063. [PMID: 33648286 DOI: 10.1016/j.foodres.2020.110063] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2020] [Revised: 12/18/2020] [Accepted: 12/21/2020] [Indexed: 11/25/2022]
Abstract
The reactivity of malondialdehyde in saturated glycerol triheptanoate oil was studied over a wide temperature range (298.15-453.15 K). With respect to the non-ideal character of a lipid medium, a kinetic model was proposed that described the experimental malondialdehyde data by a reversible hydrolytic cleavage and an irreversible aldol self-condensation reaction. Significant parameter estimates were obtained by using a global one-step non-linear regression procedure. The aldol self-condensation of malondialdehyde showed to be the main degradation route of malondialdehyde in oils. Simulation of the malondialdehyde formation during lipid oxidation of sunflower oil demonstrated that, depending on the heating time, the experimentally obtained malondialdehyde concentrations can substantially underestimate the ongoing lipid oxidation.
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Affiliation(s)
- Angelique Vandemoortele
- NutriFOODchem Unit, Department of Food Technology, Safety and Health (Partner in Food2Know), Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, B-9000 Ghent, Belgium
| | - Philippe M Heynderickx
- Center for Environmental and Energy Research (CEER), Engineering of Materials via Catalysis and Characterization, Ghent University Global Campus, 119-5 Songdomunhwa-Ro, Yeonsu-Gu, Incheon 406-840 South Korea; Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, B-9000 Ghent, Belgium
| | - Ludivine Leloup
- NutriFOODchem Unit, Department of Food Technology, Safety and Health (Partner in Food2Know), Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, B-9000 Ghent, Belgium
| | - Bruno De Meulenaer
- NutriFOODchem Unit, Department of Food Technology, Safety and Health (Partner in Food2Know), Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, B-9000 Ghent, Belgium.
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24
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Chakraborty J, Nath I, Jabbour C, Aljammal N, Song S, Kao CM, Heynderickx PM, Verpoort F. Novel rapid room temperature synthesis of conjugated microporous polymer for metal-free photocatalytic degradation of fluoroquinolones. J Hazard Mater 2020; 398:122928. [PMID: 32516729 DOI: 10.1016/j.jhazmat.2020.122928] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Revised: 04/23/2020] [Accepted: 05/11/2020] [Indexed: 06/11/2023]
Abstract
The existence of Fluoroquinolones (FQs), non-biodegradable pharmacophores, in the natural environment possesses a serious threat. We herein report a novel, rapid, room-temperature synthesis of semiconducting conjugated microporous polymer (CMP) for the decontamination of four second-generation FQs, Norfloxacin, Enrofloxacin, Ciprofloxacin, and Ofloxacin. The CMP demonstrated impressive gas uptake and FQ adsorption ability. Decreased HOMO-LUMO bandgap resulted in enhanced exciton pair generation on visible-light-illumination. Additionally, a high degree of photocurrent response and suitable redox potentials of the material conjointly endorsed its almost quantitative FQ-degradation efficiency. Ofloxacin showed the best removal efficiency with 0.061 and 0.207 min-1 adsorption and degradation rate constants, respectively, one of the highest values reported. The CMP exhibited equipotent activity for other FQs as well. On increasing the concentration of the FQs or decreasing the incident photo-intensity, quantitative removal efficiencies are observed. Changing the pH of the medium from acidic to alkaline did not impart any change in catalytic activity as well. The reactive species involved viz. O2-, 1O2, etc. and their roles in the degradation process were determined through control and trapping experiments. A plausible in-depth mechanistic pathway was assessed from the FQ degradation intermediates, and the reactive catalytic species substantiating step-by-step break down of the antibiotic backbone.
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Affiliation(s)
- Jeet Chakraborty
- Laboratory of Organometallics, Catalysis and Ordered Materials, State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China; School of Resources and Environmental Engineering, Wuhan University of Technology, Wuhan 430070, China; Centre for Environmental and Energy Research, Ghent University Global Campus, 119 Songdomunhwa-Ro, Yeonsu-Gu, Songdo, Incheon 406-840, South Korea
| | - Ipsita Nath
- Laboratory of Organometallics, Catalysis and Ordered Materials, State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China; School of Resources and Environmental Engineering, Wuhan University of Technology, Wuhan 430070, China; Centre for Environmental and Energy Research, Ghent University Global Campus, 119 Songdomunhwa-Ro, Yeonsu-Gu, Songdo, Incheon 406-840, South Korea.
| | - Christia Jabbour
- Centre for Environmental and Energy Research, Ghent University Global Campus, 119 Songdomunhwa-Ro, Yeonsu-Gu, Songdo, Incheon 406-840, South Korea
| | - Noor Aljammal
- Centre for Environmental and Energy Research, Ghent University Global Campus, 119 Songdomunhwa-Ro, Yeonsu-Gu, Songdo, Incheon 406-840, South Korea
| | - Shaoxian Song
- School of Resources and Environmental Engineering, Wuhan University of Technology, Wuhan 430070, China
| | - Chih-Ming Kao
- Institute of Environmental Engineering, National Sun Yat-Sen University, Kaohsiung 80424, Taiwan
| | - Philippe M Heynderickx
- Centre for Environmental and Energy Research, Ghent University Global Campus, 119 Songdomunhwa-Ro, Yeonsu-Gu, Songdo, Incheon 406-840, South Korea; Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, B-9000 Ghent, Belgium
| | - Francis Verpoort
- Laboratory of Organometallics, Catalysis and Ordered Materials, State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China; Centre for Environmental and Energy Research, Ghent University Global Campus, 119 Songdomunhwa-Ro, Yeonsu-Gu, Songdo, Incheon 406-840, South Korea; National Research Tomsk Polytechnic University, Lenin Avenue 30, Tomsk 634050, Russia.
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25
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Heynderickx PM, Chaemchuen S, Verpoort F. Kinetic modeling of heterogeneous esterification reaction using initial reaction rate analysis: data extraction and evaluation of mass transfer criteria. Data Brief 2020; 31:106027. [PMID: 32743031 PMCID: PMC7387780 DOI: 10.1016/j.dib.2020.106027] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Revised: 07/04/2020] [Accepted: 07/10/2020] [Indexed: 11/18/2022] Open
Abstract
This data article provides detailed guidance to obtain heterogeneous reaction rate expressions and the corresponding initial reaction rates and their application. Explanation is provided to deal with specific criteria to rule out internal and external concentration gradients, so that the usage of intrinsic catalytic data is guaranteed. Overall, the main goal is to provide an easy tool to evaluate both aforementioned results by simple plug-and-play of available reaction data. Value of the Data
The presented data and corresponding data treatment can be put forward by other researchers in order to guarantee the acquisition of intrinsic experimental data for catalytic reactions. The presented data can be used as an example to set up typical heterogeneous esterification reactions by researchers working on catalytic systems with the specific purpose of kinetic modeling. Data treatment in order to calculate initial reaction rates is explained in detail with example. This has a high applicability and very easy practicability for users in the research field of heterogeneous catalysis. Concentration gradients, which might destroy the intrinsic character of the experimental data, can be ruled out via simple criteria. How to use the data is explained in this manuscript.
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Affiliation(s)
- Philippe M. Heynderickx
- Center for Environmental and Energy Research (CEER) – Engineering of Materials via Catalysis and Characterization, Ghent University Global Campus, 119-5 Songdomunhwa-Ro, Yeonsu-Gu, Incheon, 406-840, South Korea
- Department of Green Chemistry and Technology (BW24), Faculty of Bioscience Engineering, Ghent University, 653 Coupure Links, Ghent, B-9000, Belgium
- Corresponding authors.
| | - Somboon Chaemchuen
- Laboratory of Organometallics, Catalysis and Ordered Materials, State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070, P.R. China
- National Research Tomsk Polytechnic University, Lenin Avenue 30, 634050, Tomsk, Russian Federation
| | - Francis Verpoort
- Center for Environmental and Energy Research (CEER) – Engineering of Materials via Catalysis and Characterization, Ghent University Global Campus, 119-5 Songdomunhwa-Ro, Yeonsu-Gu, Incheon, 406-840, South Korea
- Laboratory of Organometallics, Catalysis and Ordered Materials, State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070, P.R. China
- National Research Tomsk Polytechnic University, Lenin Avenue 30, 634050, Tomsk, Russian Federation
- Corresponding authors.
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26
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Heynderickx PM. A single-step protocol for closing experimental atom balances. MethodsX 2020; 7:100781. [PMID: 32021823 PMCID: PMC6993001 DOI: 10.1016/j.mex.2020.100781] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2018] [Accepted: 12/20/2019] [Indexed: 11/26/2022] Open
Abstract
Molar balances are considered to be closed if they are within 95–105%. It was shown in the companion paper “https://doi.org/10.1016/j.cej.2018.12.113; Chem. Eng. J., 361, 805–811 (2019)” that even this condition can give rise to pronounced deviations in conversion or selectivity data (Heynderickx, 2019). This manuscript offers a very simple a posteriori calculation procedure to address these deviations via simple linear algebra. The specific details of this procedure, called ‘CLOBAL’, after ‘closing the balances’, are shared (1) by showing the mathematics behind-the-scene and (2) by showing the specific programming code with an itemized guideline through the code. Key benefits of proposed procedure CLOBAL script are: Physical quantities such as molar flow rates, concentrations or absolute number of moles are updated via a one-step linear procedure to close the corresponding atom balances; The presented CLOBAL procedure, is executed in Excel®, which is accessible and practical for every user – no need for special license and the code is provided; and Parameter estimation, using treated data, results in smaller confidence intervals and lower residual sum of squares (RSSQ).
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Affiliation(s)
- Philippe M Heynderickx
- Center for Environmental and Energy Research (CEER) - Engineering of Materials Via Catalysis and Characterization, Ghent University Global Campus, 119-5 Songdomunhwa-Ro, Yeonsu-Gu, Incheon, 406-840, South Korea.,Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, 653 Coupure Links, Ghent, B-9000, Belgium
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27
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Chakraborty J, Nath I, Song S, Mohamed S, Khan A, Heynderickx PM, Verpoort F. Porous organic polymer composites as surging catalysts for visible-light-driven chemical transformations and pollutant degradation. Journal of Photochemistry and Photobiology C: Photochemistry Reviews 2019. [DOI: 10.1016/j.jphotochemrev.2019.100319] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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28
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Aljammal N, Jabbour C, Thybaut JW, Demeestere K, Verpoort F, Heynderickx PM. Metal-organic frameworks as catalysts for sugar conversion into platform chemicals: State-of-the-art and prospects. Coord Chem Rev 2019. [DOI: 10.1016/j.ccr.2019.213064] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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29
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Heynderickx PM. Activity Coefficients for Liquid Organic Reactions: Towards a Better Understanding of True Kinetics with the Synthesis of Jasmin Aldehyde as Showcase. Int J Mol Sci 2019; 20:E3819. [PMID: 31387255 PMCID: PMC6695740 DOI: 10.3390/ijms20153819] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2019] [Revised: 07/27/2019] [Accepted: 07/30/2019] [Indexed: 11/17/2022] Open
Abstract
The aldol condensation of benzaldehyde and heptanal is taken as an example of reversible liquid phase organic reactions to show that inclusion of activity coefficients reveal distinct differences in conversion and product distribution when different solvents methanol, ethanol, n-propanol, or n-butanol are used. The purpose of this work is to show a pronounced solvent effect for a given set of identical kinetic parameters, i.e., the same liquid phase kinetics can result in different conversion and yield values, depending on the choice of solvent. It was shown that subsequent parameter estimation without inclusion of the activity coefficients resulted in a pronounced deviation from the 'true' kinetics, up to a factor of 30. It is proposed that the usage of average activity coefficients gives already a significant improvement, resulting in acceptable parameter estimates.
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Affiliation(s)
- Philippe M Heynderickx
- Center for Environmental and Energy Research (CEER)-Engineering of Materials via Catalysis and Characterization, Ghent University Global Campus, 119 Songdomunhwa-Ro, Yeonsu-Gu, Incheon 406-840, Korea.
- Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, 653 Coupure Links, B-9000 Ghent, Belgium.
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30
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Heynderickx PM. Dynamic headspace analysis using online measurements: Modeling of average and initial concentration. Talanta 2019; 198:573-584. [PMID: 30876601 DOI: 10.1016/j.talanta.2019.02.038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2018] [Revised: 02/06/2019] [Accepted: 02/07/2019] [Indexed: 11/28/2022]
Abstract
Dynamic headspace sampling is an important technique for the analysis of consumer products, the study of biological samples and environmental water analyses. This paper shows the influence of experimental conditions, such as the sampling time, sampling flow rate, headspace volume, liquid volume and Henry coefficient on the measured average concentration values. A corresponding closed expression as function of these variables is introduced in order to quantify the deviation of the initial headspace concentration. The proposed bi-exponential function embeds different current existing models for recovery calculation in dynamic sampling analyses in one single expression. A fully automated and user-friendly Excel® file to investigate or to model the dynamic headspace sampling results is added to everyone's easy use.
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Affiliation(s)
- Philippe M Heynderickx
- Center for Environmental and Energy Research (CEER) - Engineering of Materials via Catalysis and Characterization, Ghent University Global Campus, 119 Songdomunhwa-Ro, Yeonsu-Gu, Incheon 406-840, South Korea; Department of Green Chemistry and Technology (BW24), Faculty of Bioscience Engineering, Ghent University, 653 Coupure Links, Ghent B-9000, Belgium.
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31
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Naz F, Mousavi B, Luo Z, Jabbour C, Heynderickx PM, Chaemchuen S, Verpoort F. Switching from linear to cyclic δ‐Polyvalerolactone synthesized via zeolitic imidazolate framework as a catalyst: A promising approach. Appl Organomet Chem 2019. [DOI: 10.1002/aoc.4890] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Farah Naz
- Laboratory of Organometallic, Catalysis and Ordered Materials, State Key Laboratory of Advanced Technology for Materials Synthesis and ProcessingWuhan University of Technology People's Republic of China
- School of Materials Science and EngineeringWuhan University of Technology Wuhan 430070 People's Republic of China
| | - Bibimaryam Mousavi
- Laboratory of Organometallic, Catalysis and Ordered Materials, State Key Laboratory of Advanced Technology for Materials Synthesis and ProcessingWuhan University of Technology People's Republic of China
| | - Zhixiong Luo
- Laboratory of Organometallic, Catalysis and Ordered Materials, State Key Laboratory of Advanced Technology for Materials Synthesis and ProcessingWuhan University of Technology People's Republic of China
- Center for Environmental and Energy Research (CEER)Ghent University Global Campus 119 Songdomunhwa‐Ro, Yeonsu‐Gu Incheon 406‐840 South Korea
| | - Christia Jabbour
- Center for Environmental and Energy Research (CEER)Ghent University Global Campus 119 Songdomunhwa‐Ro, Yeonsu‐Gu Incheon 406‐840 South Korea
| | - Philippe M. Heynderickx
- Center for Environmental and Energy Research (CEER)Ghent University Global Campus 119 Songdomunhwa‐Ro, Yeonsu‐Gu Incheon 406‐840 South Korea
- Department of Green Chemistry and Technology (BW24), Faculty of Bioscience EngineeringGhent University 653 Coupure Links Ghent B‐9000 Belgium
| | - Somboon Chaemchuen
- Laboratory of Organometallic, Catalysis and Ordered Materials, State Key Laboratory of Advanced Technology for Materials Synthesis and ProcessingWuhan University of Technology People's Republic of China
| | - Francis Verpoort
- Laboratory of Organometallic, Catalysis and Ordered Materials, State Key Laboratory of Advanced Technology for Materials Synthesis and ProcessingWuhan University of Technology People's Republic of China
- National Research Tomsk Polytechnic University Lenin Avenue 30 634050 Tomsk Russia
- Center for Environmental and Energy Research (CEER)Ghent University Global Campus 119 Songdomunhwa‐Ro, Yeonsu‐Gu Incheon 406‐840 South Korea
- College of Arts and SciencesKhalifa University of Science and Technology PO Box 127788 Abu Dhabi UAE
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32
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Hai Z, Karbalaei Akbari M, Wei Z, Cui D, Xue C, Xu H, Heynderickx PM, Verpoort F, Zhuiykov S. Nanostructure-induced performance degradation of WO 3· nH 2O for energy conversion and storage devices. Beilstein J Nanotechnol 2018; 9:2845-2854. [PMID: 30498656 PMCID: PMC6244177 DOI: 10.3762/bjnano.9.265] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/03/2018] [Accepted: 10/26/2018] [Indexed: 06/09/2023]
Abstract
Although 2D layered nanomaterials have been intensively investigated towards their application in energy conversion and storage devices, their disadvantages have rarely been explored so far especially compared to their 3D counterparts. Herein, WO3·nH2O (n = 0, 1, 2), as the most common and important electrochemical and electrochromic active nanomaterial, is synthesized in 3D and 2D structures through a facile hydrothermal method, and the disadvantages of the corresponding 2D structures are examined. The weakness of 2D WO3·nH2O originates from its layered structure. X-ray diffraction and scanning electron microscopy analyses of as-grown WO3·nH2O samples suggest a structural transition from 2D to 3D upon temperature increase. 2D WO3·nH2O easily generates structural instabilities by 2D intercalation, resulting in a faster performance degradation, due to its weak interlayer van der Waals forces, even though it outranks the 3D network structure in terms of improved electronic properties. The structural transformation of 2D layered WO3·nH2O into 3D nanostructures is observed via ex situ Raman measurements under electrochemical cycling experiments. The proposed degradation mechanism is confirmed by the morphology changes. The work provides strong evidence for and in-depth understanding of the weakness of 2D layered nanomaterials and paves the way for further interlayer reinforcement, especially for 2D layered transition metal oxides.
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Affiliation(s)
- Zhenyin Hai
- Center for Environmental and Energy Research, Ghent University Global Campus, Yeonsu-gu, Incheon 21985, South Korea
- Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, 9000 Ghent, Belgium
| | - Mohammad Karbalaei Akbari
- Center for Environmental and Energy Research, Ghent University Global Campus, Yeonsu-gu, Incheon 21985, South Korea
- Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, 9000 Ghent, Belgium
| | - Zihan Wei
- Center for Environmental and Energy Research, Ghent University Global Campus, Yeonsu-gu, Incheon 21985, South Korea
- Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, 9000 Ghent, Belgium
| | - Danfeng Cui
- Science and Technology on Electronic Test and Measurement Laboratory, North University of China, Taiyuan, Shanxi 030051, P.R. China
| | - Chenyang Xue
- Science and Technology on Electronic Test and Measurement Laboratory, North University of China, Taiyuan, Shanxi 030051, P.R. China
| | - Hongyan Xu
- School of Materials Science and Engineering, North University of China, Shanxi 030051, P.R. China
| | - Philippe M Heynderickx
- Center for Environmental and Energy Research, Ghent University Global Campus, Yeonsu-gu, Incheon 21985, South Korea
- Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, 9000 Ghent, Belgium
| | - Francis Verpoort
- Center for Environmental and Energy Research, Ghent University Global Campus, Yeonsu-gu, Incheon 21985, South Korea
- National Research Tomsk Polytechnic University, Lenin Avenue 30, Tomsk 634050, Russian Federation
- Laboratory of Organometallics, Catalysis and Ordered Materials, State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Center for Chemical and Material Engineering, Wuhan University of Technology, Wuhan, P.R. China
| | - Serge Zhuiykov
- Center for Environmental and Energy Research, Ghent University Global Campus, Yeonsu-gu, Incheon 21985, South Korea
- Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, 9000 Ghent, Belgium
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33
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Ciprian M, Xu P, Chaemchuen S, Tu R, Zhuiykov S, Heynderickx PM, Verpoort F. MoO 3NPs/ZIF-8 composite material prepared via RCVD for photodegradation of dyes. Data Brief 2018; 19:2253-2259. [PMID: 30229101 PMCID: PMC6141516 DOI: 10.1016/j.dib.2018.06.120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2018] [Accepted: 06/28/2018] [Indexed: 12/02/2022] Open
Abstract
Toxic wastewaters from the textile industry have made its way into rivers and other waterways, posing a serious health treat on both human and wildlife. Herein, this data set presents the potential use of MoO3 nanoparticles supported on ZIF-8 in the photodegradation of a cationic dye molecule. The data presented in this article report a concise description of experimental conditions for the spray-dried ZIF-8 synthesis and subsequent deposition of MoO3 nanoparticles via rotary chemical vapor deposition (RCVD). The photodegradation and analysis data reviled that the MoO3-NPs@ZIF-8 3 wt% displayed the ability of degrading methylene blue up to 82% and 95% after 180 and 300 min, respectively.
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Affiliation(s)
- Matteo Ciprian
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, China
| | - Peng Xu
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, China
| | - Somboon Chaemchuen
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, China
| | - Rong Tu
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, China
| | - Serge Zhuiykov
- Center for Environmental and Energy Research (CEER), Ghent University Global Campus, 119 Songdomunhwa-Ro, Yeonsu-Gu, Incheon 406-840, South Korea
| | - Philippe M Heynderickx
- Center for Environmental and Energy Research (CEER), Ghent University Global Campus, 119 Songdomunhwa-Ro, Yeonsu-Gu, Incheon 406-840, South Korea.,Department of Green Chemistry and Technology (BW24), Faculty of Bioscience Engineering, Ghent University, 753 Coupure Links, Ghent B-9000, Belgium
| | - Francis Verpoort
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, China.,Center for Environmental and Energy Research (CEER), Ghent University Global Campus, 119 Songdomunhwa-Ro, Yeonsu-Gu, Incheon 406-840, South Korea.,National Research Tomsk Polytechnic University, Lenin Avenue 30, 634050 Tomsk, Russian Federation
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Heynderickx PM, Roelant R. Superposition of artificial experimental error onto calculated time series: Construction of in-silico data sets. Data Brief 2018; 19:601-610. [PMID: 30131967 PMCID: PMC6100261 DOI: 10.1016/j.dib.2018.05.073] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2018] [Revised: 05/10/2018] [Accepted: 05/15/2018] [Indexed: 11/16/2022] Open
Abstract
The data and complementary information presented here are related to the research in the article of “https://doi.org/10.1016/j.cej.2018.01.027; Chem. Eng. J., 342, 41–51 (2018)”, where sets of in-silico data are constructed to show a novel method for parameter estimation in biodiesel production from triglycerides (Heynderickx et al., 2018) [1]. In this paper, the method for the used error superposition is explained and in order to ensure a ready reproduction by the reader, this work presents the basic steps for superposition of a normally distributed error via a simple Excel® datasheet file.
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Affiliation(s)
- Philippe M Heynderickx
- Center for Environmental and Energy Research (CEER) - Engineering of Materials via Catalysis and Characterization, Ghent University Global Campus, 119 Songdomunhwa-Ro, Yeonsu-Gu, Incheon 406-840, South Korea.,Department of Green Chemistry and Technology (BW24), Faculty of Bioscience Engineering, Ghent University, 753 Coupure Links, Ghent B-9000, Belgium
| | - Raf Roelant
- Process Design Center, Catharinastraat 21F, 4811 XD Breda, The Netherlands
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Chaemchuen S, Zhou K, Mousavi B, Ghadamyari M, Heynderickx PM, Zhuiykov S, Yusubov MS, Verpoort F. Spray drying of zeolitic imidazolate frameworks: investigation of crystal formation and properties. CrystEngComm 2018. [DOI: 10.1039/c8ce00392k] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The mechanism of crystal growth for ZIFs (ZIF-67 and Zn/Co-ZIF) is explored for the first time using the spray-drying technique.
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Affiliation(s)
- Somboon Chaemchuen
- Laboratory of Organometallics
- Catalysis and Ordered Materials
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing
- Center for Chemical and Material Engineering
- Wuhan University of Technology
| | - Kui Zhou
- Laboratory of Organometallics
- Catalysis and Ordered Materials
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing
- Center for Chemical and Material Engineering
- Wuhan University of Technology
| | - Bibimaryam Mousavi
- Laboratory of Organometallics
- Catalysis and Ordered Materials
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing
- Center for Chemical and Material Engineering
- Wuhan University of Technology
| | - Marzieh Ghadamyari
- Laboratory of Organometallics
- Catalysis and Ordered Materials
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing
- Center for Chemical and Material Engineering
- Wuhan University of Technology
| | - Philippe M. Heynderickx
- Center for Environmental and Energy Research (CEER)
- Ghent University Global Campus
- Incheon 406-840
- South Korea
- Department of Green Chemistry and Technology (BW24)
| | - Serge Zhuiykov
- Center for Environmental and Energy Research (CEER)
- Ghent University Global Campus
- Incheon 406-840
- South Korea
| | - Mekhman S. Yusubov
- National Research Tomsk Polytechnic University
- 634050 Tomsk
- Russian Federation
| | - Francis Verpoort
- Laboratory of Organometallics
- Catalysis and Ordered Materials
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing
- Center for Chemical and Material Engineering
- Wuhan University of Technology
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Álvarez-Hornos FJ, Volckaert D, Heynderickx PM, Van Langenhove H. Performance of a composite membrane bioreactor for the removal of ethyl acetate from waste air. Bioresour Technol 2011; 102:8893-8898. [PMID: 21763129 DOI: 10.1016/j.biortech.2011.06.064] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2011] [Revised: 06/14/2011] [Accepted: 06/16/2011] [Indexed: 05/31/2023]
Abstract
Ethyl acetate removal from an air stream was carried out by using a flat composite membrane bioreactor. The composite membrane consisted of a dense polydimethylsiloxane top layer with an average thickness of 0.3 μm supported in a porous polyacrylonitrile layer (50 μm). The membrane bioreactor (MBR) was operated during 3 months, and a maximum elimination capacity of 225 g m⁻³ h⁻¹ at an empty bed residence time of 60s was observed. Removal efficiencies higher than 95% were obtained for inlet loads lower than 200 g m⁻³ h⁻¹ and empty bed residence times as short as 15 s. The estimated yield coefficient, determined from the carbon dioxide production, resulted in 0.82 g dry biomass synthesized per gram of ethyl acetate degraded. No data of ethyl acetate treatment in MBR have been found in the literature, but the results illustrate that membrane bioreactors can potentially be a good option for its treatment.
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Affiliation(s)
- F J Álvarez-Hornos
- Research Group EnVOC, Department of Sustainable Organic Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, Belgium
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