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Gys N, An R, Pawlak B, Vogelsang D, Wyns K, Baert K, Vansant A, Blockhuys F, Adriaensens P, Hauffman T, Michielsen B, Mullens S, Meynen V. Amino-Alkylphosphonate-Grafted TiO 2: How the Alkyl Chain Length Impacts the Surface Properties and the Adsorption Efficiency for Pd. ACS OMEGA 2022; 7:45409-45421. [PMID: 36530305 PMCID: PMC9753204 DOI: 10.1021/acsomega.2c06020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/17/2022] [Accepted: 11/17/2022] [Indexed: 06/17/2023]
Abstract
Amino-alkylphosphonic acid-grafted TiO2 materials are of increasing interest in a variety of applications such as metal sorption, heterogeneous catalysis, CO2 capture, and enzyme immobilization. To date, systematic insights into the synthesis-properties-performance correlation are missing for such materials, albeit giving important know-how towards their applicability and limitations. In this work, the impact of the chain length and modification conditions (concentration and temperature) of amino-alkylphosphonic acid-grafted TiO2 on the surface properties and adsorption performance of palladium is studied. Via grafting with aminomethyl-, 3-aminopropyl-, and 6-aminohexylphosphonic acid, combined with the spectroscopic techniques (DRIFT, 31P NMR, XPS) and zeta potential measurements, differences in surface properties between the C1, C3, and C6 chains are revealed. The modification degree decreases with increasing chain length under the same synthesis conditions, indicative of folded grafted groups that sterically shield an increasing area of binding sites with increasing chain length. Next, all techniques confirm the different surface interactions of a C1 chain compared to a C3 or C6 chain. This is in line with palladium adsorption experiments, where only for a C1 chain, the adsorption efficiency is affected by the precursor concentration used for modification. The absence of a straightforward correlation between the number of free NH2 groups and the adsorption capacity for the different chain lengths indicates that other chain-length-specific surface interactions are controlling the adsorption performance. The increasing pH stability in the order of C1 < C3 < C6 can possibly be associated to a higher fraction of inaccessible hydrophilic sites due to the presence of folded structures. Lastly, the comparison of adsorption performance and pH stability with 3-aminopropyl(triethoxysilane)-grafted TiO2 reveals the applicability of both grafting methods depending on the envisaged pH during sorption.
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Affiliation(s)
- Nick Gys
- Sustainable
Materials, Flemish Institute for Technological
Research (VITO NV), Boeretang
200, 2400Mol, Belgium
- Laboratory
of Adsorption and Catalysis (LADCA), Department of Chemistry, University of Antwerp, Universiteitsplein 1, 2610Wilrijk, Belgium
| | - Rui An
- Laboratory
of Adsorption and Catalysis (LADCA), Department of Chemistry, University of Antwerp, Universiteitsplein 1, 2610Wilrijk, Belgium
| | - Bram Pawlak
- Analytical
and Circular Chemistry (ACC), Institute for Materials Research (IMO), Hasselt University, Agoralaan 1, 3590Diepenbeek, Belgium
| | - David Vogelsang
- Sustainable
Materials, Flemish Institute for Technological
Research (VITO NV), Boeretang
200, 2400Mol, Belgium
| | - Kenny Wyns
- Sustainable
Materials, Flemish Institute for Technological
Research (VITO NV), Boeretang
200, 2400Mol, Belgium
| | - Kitty Baert
- Research
Group Electrochemical and Surface Engineering (SURF), Department Materials
and Chemistry, Vrije Universiteit Brussel, Pleinlaan 2, 1050Brussels, Belgium
| | - Alexander Vansant
- Sustainable
Materials, Flemish Institute for Technological
Research (VITO NV), Boeretang
200, 2400Mol, Belgium
| | - Frank Blockhuys
- Structural
Chemistry Group, Department of Chemistry, University of Antwerp, Groenenborgerlaan 171, 2020Antwerp, Belgium
| | - Peter Adriaensens
- Analytical
and Circular Chemistry (ACC), Institute for Materials Research (IMO), Hasselt University, Agoralaan 1, 3590Diepenbeek, Belgium
| | - Tom Hauffman
- Research
Group Electrochemical and Surface Engineering (SURF), Department Materials
and Chemistry, Vrije Universiteit Brussel, Pleinlaan 2, 1050Brussels, Belgium
| | - Bart Michielsen
- Sustainable
Materials, Flemish Institute for Technological
Research (VITO NV), Boeretang
200, 2400Mol, Belgium
| | - Steven Mullens
- Sustainable
Materials, Flemish Institute for Technological
Research (VITO NV), Boeretang
200, 2400Mol, Belgium
| | - Vera Meynen
- Sustainable
Materials, Flemish Institute for Technological
Research (VITO NV), Boeretang
200, 2400Mol, Belgium
- Laboratory
of Adsorption and Catalysis (LADCA), Department of Chemistry, University of Antwerp, Universiteitsplein 1, 2610Wilrijk, Belgium
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Analyzing transport in ceramic membranes for organic solvent nanofiltration using Maxwell-Stefan theory. Chem Eng Sci 2022. [DOI: 10.1016/j.ces.2022.118133] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Nanoporous Alumina Membranes for Sugar Industry: An Investigation of Sintering Parameters Influence onUltrafiltration Performance. SUSTAINABILITY 2021. [DOI: 10.3390/su13147593] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Ultrafiltration membranes offer a progressive and efficient means to filter out various process fluids. The prime factor influencing ultrafiltration to a great extent is the porosity of the membranes employed. Regarding membrane development, alumina membranes are extensively studied due to their uniform porosity and mechanical strength. The present research work is specifically aimed towards the investigation of nanoporous alumina membranes, as a function of sintering parameters, on ultrafiltration performance. Alumina membranes are fabricated by sintering at various temperatures ranging from 1200–1300 °C for different holding times between 5–15 h. The morphological analysis, conducted using Scanning electron microscopy (SEM), revealed a homogeneous distribution of pores throughout the surface and cross-section of the membranes developed. It was observed that an increase in the sintering temperature and time resulted in a gradual decrease in the average pore size. A sample with an optimal pore size of 73.65 nm achieved after sintering at 1250 °C for 15 h, was used for the evaluation of ultrafiltration performance. However, the best mechanical strength and highest stress-bearing ability were exhibited by the sample sintered at 1300 °C for 5 h, whereas the sample sintered at 1250 °C for 5 h displayed the highest strain in terms of compression. The selected alumina membrane sample demonstrated excellent performance in the ultrafiltration of sugarcane juice, compared to the other process liquids.
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Merlet R, Winnubst L, Nijmeijer A, Amirilargani M, Sudhölter EJR, de Smet LCPM, Salvador Cob S, Vandezande P, Dorbec M, Sluijter S, van Veen H, VanDelft Y, Wienk I, Cuperus P, Behera S, Hartanto Y, Vankelecom IFJ, de Wit P. Comparing the Performance of Organic Solvent Nanofiltration Membranes in Non‐Polar Solvents. CHEM-ING-TECH 2021. [DOI: 10.1002/cite.202100032] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Renaud Merlet
- University of Twente Inorganic Membranes, Membrane Science and Technology Cluster P.O. Box 217 7500 AE Enschede The Netherlands
| | - Louis Winnubst
- University of Twente Inorganic Membranes, Membrane Science and Technology Cluster P.O. Box 217 7500 AE Enschede The Netherlands
| | - Arian Nijmeijer
- University of Twente Inorganic Membranes, Membrane Science and Technology Cluster P.O. Box 217 7500 AE Enschede The Netherlands
| | - Mohammad Amirilargani
- Delft University of Technology Organic Materials and Interfaces, Department of Chemical Engineering Van der Maasweg 9 2629 HZ Delft The Netherlands
| | - Ernst J. R. Sudhölter
- Delft University of Technology Organic Materials and Interfaces, Department of Chemical Engineering Van der Maasweg 9 2629 HZ Delft The Netherlands
| | - Louis C. P. M. de Smet
- Wageningen University Laboratory of Organic Chemistry Stippeneng 4 6708 WE Wageningen The Netherlands
| | - Sara Salvador Cob
- Flemish Institute for Technological Research (VITO) Unit Separation and Conversion Technology (SCT) Boeretang 200 2400 Mol Belgium
| | - Pieter Vandezande
- Flemish Institute for Technological Research (VITO) Unit Separation and Conversion Technology (SCT) Boeretang 200 2400 Mol Belgium
| | - Matthieu Dorbec
- Janssen Pharmaceutica NV Turnhoutseweg 30 2340 Beerse Belgium
| | - Soraya Sluijter
- TNO unit ECN part of TNO Westerduinweg 3 1755 LE Petten The Netherlands
| | - Henk van Veen
- TNO unit ECN part of TNO Westerduinweg 3 1755 LE Petten The Netherlands
| | - Yvonne VanDelft
- TNO unit ECN part of TNO Westerduinweg 3 1755 LE Petten The Netherlands
| | - Ingrid Wienk
- SolSep B.V. Robust Membrane Technologies St. Eustatius 65 7333 NW Apeldoorn The Netherlands
| | - Petrus Cuperus
- SolSep B.V. Robust Membrane Technologies St. Eustatius 65 7333 NW Apeldoorn The Netherlands
| | - Subhalaxmi Behera
- KU Leuven Membrane Technology Group, cMACS division Faculty of Bioscience Engineering Celestijnenlaan 200F B-3001 Heverlee Belgium
| | - Yusak Hartanto
- KU Leuven Membrane Technology Group, cMACS division Faculty of Bioscience Engineering Celestijnenlaan 200F B-3001 Heverlee Belgium
| | - Ivo F. J. Vankelecom
- KU Leuven Membrane Technology Group, cMACS division Faculty of Bioscience Engineering Celestijnenlaan 200F B-3001 Heverlee Belgium
| | - Patrick de Wit
- University of Twente EMI Twente, Membrane Science and Technology Cluster P.O. Box 217 7500 AE Enschede The Netherlands
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Experimental study on flow characteristics of gas transport in micro- and nanoscale pores. Sci Rep 2019; 9:10196. [PMID: 31308410 PMCID: PMC6629846 DOI: 10.1038/s41598-019-46430-2] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2019] [Accepted: 06/27/2019] [Indexed: 11/09/2022] Open
Abstract
Gas flow behavior in porous media with micro- and nanoscale pores has always been attracted great attention. Gas transport mechanism in such pores is a complex problem, which includes continuous flow, slip flow and transition flow. In this study, the microtubes of quartz microcapillary and nanopores alumina membrane were used, and the gas flow measurements through the microtubes and nanopores with the diameters ranging from 6.42 μm to 12.5 nm were conducted. The experimental results show that the gas flow characteristics are in rough agreement with the Hagen-Poiseuille (H-P) equation in microscale. However, the flux of gas flow through the nanopores is larger than the H-P equation by more than an order of magnitude, and thus the H-P equation considerably underestimates gas flux. The Knudsen diffusion and slip flow coexist in the nanoscale pores and their contributions to the gas flux increase as the diameter decreases. The slip flow increases with the decrease in diameter, and the slip length decreases with the increase in driving pressure. Furthermore, the experimental gas flow resistance is less than the theoretical value in the nanopores and the flow resistance decreases along with the decrease in diameter, which explains the phenomenon of flux increase and the occurrence of a considerable slip length in nanoscale. These results can provide insights into a better understanding of gas flow in micro- and nanoscale pores and enable us to exactly predict and actively control gas slip.
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Tai ZS, Abd Aziz MH, Othman MHD, Mohamed Dzahir MIH, Hashim NA, Koo KN, Hubadillah SK, Ismail AF, A Rahman M, Jaafar J. Ceramic Membrane Distillation for Desalination. SEPARATION AND PURIFICATION REVIEWS 2019. [DOI: 10.1080/15422119.2019.1610975] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Zhong Sheng Tai
- Advanced Membrane Technology Research Center (AMTEC), School of Chemical and Energy Engineering (FCEE), Faculty of Engineering, Universiti Teknologi Malaysia, Skudai, Malaysia
| | - Mohd Haiqal Abd Aziz
- Advanced Membrane Technology Research Center (AMTEC), School of Chemical and Energy Engineering (FCEE), Faculty of Engineering, Universiti Teknologi Malaysia, Skudai, Malaysia
| | - Mohd Hafiz Dzarfan Othman
- Advanced Membrane Technology Research Center (AMTEC), School of Chemical and Energy Engineering (FCEE), Faculty of Engineering, Universiti Teknologi Malaysia, Skudai, Malaysia
| | | | - Nur Awanis Hashim
- Department of Chemical Engineering, Faculty of Engineering, University of Malaya, Kuala Lumpur, Malaysia
| | - Khong Nee Koo
- Advanced Membrane Technology Research Center (AMTEC), School of Chemical and Energy Engineering (FCEE), Faculty of Engineering, Universiti Teknologi Malaysia, Skudai, Malaysia
| | - Siti Khadijah Hubadillah
- Advanced Membrane Technology Research Center (AMTEC), School of Chemical and Energy Engineering (FCEE), Faculty of Engineering, Universiti Teknologi Malaysia, Skudai, Malaysia
| | - Ahmad Fauzi Ismail
- Advanced Membrane Technology Research Center (AMTEC), School of Chemical and Energy Engineering (FCEE), Faculty of Engineering, Universiti Teknologi Malaysia, Skudai, Malaysia
| | - Mukhlis A Rahman
- Advanced Membrane Technology Research Center (AMTEC), School of Chemical and Energy Engineering (FCEE), Faculty of Engineering, Universiti Teknologi Malaysia, Skudai, Malaysia
| | - Juhana Jaafar
- Advanced Membrane Technology Research Center (AMTEC), School of Chemical and Energy Engineering (FCEE), Faculty of Engineering, Universiti Teknologi Malaysia, Skudai, Malaysia
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Mohamed AA, Neal SN, Atallah B, AlBab ND, Alawadhi HA, Pajouhafsar Y, Abdou HE, Workie B, Sahle-Demessie E, Han C, Monge M, Lopez-de-Luzuriaga JM, Reibenspies JH, Chehimi MM. Synthesis of gold organometallics at the nanoscale. J Organomet Chem 2018. [DOI: 10.1016/j.jorganchem.2018.07.032] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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Mustafa G, Wyns K, Janssens S, Buekenhoudt A, Meynen V. Evaluation of the fouling resistance of methyl grafted ceramic membranes for inorganic foulants and co-effects of organic foulants. Sep Purif Technol 2018. [DOI: 10.1016/j.seppur.2017.11.015] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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11
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Ormerod D, Lefevre N, Dorbec M, Eyskens I, Vloemans P, Duyssens K, Diez de la Torre V, Kaval N, Merkul E, Sergeyev S, Maes BUW. Potential of Homogeneous Pd Catalyst Separation by Ceramic Membranes. Application to Downstream and Continuous Flow Processes. Org Process Res Dev 2016. [DOI: 10.1021/acs.oprd.5b00418] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Dominic Ormerod
- VITO
(Flemish Institute for Technological Research), Separation and Conversion Technology, Boeretang 200, B-2400 Mol, Belgium
| | - Nicolas Lefevre
- Organic
Synthesis, University of Antwerp, Groenenborgerlaan 171, B-2020 Antwerp, Belgium
| | - Matthieu Dorbec
- VITO
(Flemish Institute for Technological Research), Separation and Conversion Technology, Boeretang 200, B-2400 Mol, Belgium
| | - Inge Eyskens
- VITO
(Flemish Institute for Technological Research), Separation and Conversion Technology, Boeretang 200, B-2400 Mol, Belgium
| | - Pieter Vloemans
- VITO
(Flemish Institute for Technological Research), Separation and Conversion Technology, Boeretang 200, B-2400 Mol, Belgium
| | - Karlien Duyssens
- VITO
(Flemish Institute for Technological Research), Separation and Conversion Technology, Boeretang 200, B-2400 Mol, Belgium
| | - Veronica Diez de la Torre
- VITO
(Flemish Institute for Technological Research), Separation and Conversion Technology, Boeretang 200, B-2400 Mol, Belgium
| | - Nadya Kaval
- Organic
Synthesis, University of Antwerp, Groenenborgerlaan 171, B-2020 Antwerp, Belgium
| | - Eugen Merkul
- Organic
Synthesis, University of Antwerp, Groenenborgerlaan 171, B-2020 Antwerp, Belgium
| | - Sergey Sergeyev
- Organic
Synthesis, University of Antwerp, Groenenborgerlaan 171, B-2020 Antwerp, Belgium
| | - Bert U. W. Maes
- Organic
Synthesis, University of Antwerp, Groenenborgerlaan 171, B-2020 Antwerp, Belgium
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Hosseinabadi SR, Wyns K, Buekenhoudt A, Van der Bruggen B, Ormerod D. Performance of Grignard functionalized ceramic nanofiltration membranes. Sep Purif Technol 2015. [DOI: 10.1016/j.seppur.2015.03.047] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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13
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Mustafa G, Wyns K, Vandezande P, Buekenhoudt A, Meynen V. Novel grafting method efficiently decreases irreversible fouling of ceramic nanofiltration membranes. J Memb Sci 2014. [DOI: 10.1016/j.memsci.2014.07.050] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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14
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Buonomenna MG, Bae J. Organic Solvent Nanofiltration in Pharmaceutical Industry. SEPARATION AND PURIFICATION REVIEWS 2014. [DOI: 10.1080/15422119.2014.918884] [Citation(s) in RCA: 81] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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16
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Ormerod D, Bongers B, Porto-Carrero W, Giegas S, Vijt G, Lefevre N, Lauwers D, Brusten W, Buekenhoudt A. Separation of metathesis catalysts and reaction products in flow reactors using organic solvent nanofiltration. RSC Adv 2013. [DOI: 10.1039/c3ra44860f] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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