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Ambaye TG, Hassani A, Vaccari M, Franzetti A, Prasad S, Formicola F, Rosatelli A, Rehman MZU, Mohanakrishna G, Ganachari SV, Aminabhavi TM, Rtimi S. Emerging technologies for the removal of pesticides from contaminated soils and their reuse in agriculture. CHEMOSPHERE 2024; 362:142433. [PMID: 38815812 DOI: 10.1016/j.chemosphere.2024.142433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/15/2024] [Revised: 05/23/2024] [Accepted: 05/24/2024] [Indexed: 06/01/2024]
Abstract
Pesticides are becoming more prevalent in agriculture to protect crops and increase crop yields. However, nearly all pesticides used for this purpose reach non-target crops and remain as residues for extended periods. Contamination of soil by widespread pesticide use, as well as its toxicity to humans and other living organisms, is a global concern. This has prompted us to find solutions and develop alternative remediation technologies for sustainable management. This article reviews recent technological developments for remediating pesticides from contaminated soil, focusing on the following major points: (1) The application of various pesticide types and their properties, the sources of pesticides related to soil pollution, their transport and distribution, their fate, the impact on soil and human health, and the extrinsic and intrinsic factors that affect the remediation process are the main points of focus. (2) Sustainable pesticide degradation mechanisms and various emerging nano- and bioelectrochemical soil remediation technologies. (3) The feasible and long-term sustainable research and development approaches that are required for on-site pesticide removal from soils, as well as prospects for applying them directly in agricultural fields. In this critical analysis, we found that bioremediation technology has the potential for up to 90% pesticide removal from the soil. The complete removal of pesticides through a single biological treatment approach is still a challenging task; however, the combination of electrochemical oxidation and bioelectrochemical system approaches can achieve the complete removal of pesticides from soil. Further research is required to remove pesticides directly from soils in agricultural fields on a large-scale.
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Affiliation(s)
- Teklit Gebregiorgis Ambaye
- Department of Civil, Environmental, Architectural Engineering and Mathematics, University of Brescia, Via Branze 43, Brescia, 25123, Italy; Department of Environment and Resource Engineering, Technical University of Denmark, 2800, Lyngby, Denmark
| | - Aydin Hassani
- Department of Materials Science and Nanotechnology Engineering, Faculty of Engineering, Near East University, 99138 Nicosia, TRNC, Mersin 10, Turkey; Research Center for Science, Technology and Engineering (BILTEM), Near East University, 99138 Nicosia, TRNC, Mersin 10, Turkey
| | - Mentore Vaccari
- Department of Civil, Environmental, Architectural Engineering and Mathematics, University of Brescia, Via Branze 43, Brescia, 25123, Italy
| | - Andrea Franzetti
- Department of Earth and Environmental Sciences-DISAT, University of Milano-Bicocca, Piazza Della Scienza 1 Milano, 20126, Italy
| | - Shiv Prasad
- Division of Environment Science, ICAR-Indian Agricultural Research Institute New Delhi, 110012, India
| | - Francesca Formicola
- Department of Earth and Environmental Sciences-DISAT, University of Milano-Bicocca, Piazza Della Scienza 1 Milano, 20126, Italy
| | - Asia Rosatelli
- Department of Earth and Environmental Sciences-DISAT, University of Milano-Bicocca, Piazza Della Scienza 1 Milano, 20126, Italy
| | - Muhammad Zia Ur Rehman
- Institute of Soil and Environmental Sciences, University of Agriculture Faisalabad, 38040, Pakistan
| | - Gunda Mohanakrishna
- Center for Energy and Environment (CEE), School of Advanced Sciences, KLE Technological University, Hubballi, 580 031, India
| | - Sharanabasava V Ganachari
- Center for Energy and Environment (CEE), School of Advanced Sciences, KLE Technological University, Hubballi, 580 031, India
| | - Tejraj M Aminabhavi
- Center for Energy and Environment (CEE), School of Advanced Sciences, KLE Technological University, Hubballi, 580 031, India; Korea University, Seoul, South Korea.
| | - Sami Rtimi
- Global Institute for Water Environment and Health, 1210 Geneva, Switzerland.
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Kamińska A, Sreńscek-Nazzal J, Serafin J, Miądlicki P, Kiełbasa K, Wróblewska A. Biomass-based activated carbons produced by chemical activation with H 3PO 4 as catalysts for the transformation of α-pinene to high-added chemicals. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:40063-40082. [PMID: 37329374 DOI: 10.1007/s11356-023-28232-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Accepted: 06/08/2023] [Indexed: 06/19/2023]
Abstract
In the era of ecology and careful care for the environment, it becomes important to use renewable raw materials of plant origin, which are often more easily available and cheaper. One of the important and rapidly developing directions of research are works related to the use of waste plant biomass; an example of this trend is the production of activated carbons from food industry waste. One of the examples of the application of derived from biomass activated carbons can be using them as catalysts for the isomerization of terpene compounds. Carbons based on waste biomass are characterized by the minimal amount of waste formation during their manufacture, and their use in the isomerization reaction allows to obtain high conversion of organic raw material and high selectivities of transformation to the desired products, making these carbons environmentally friendly substitutes for the catalysts used usually in this process. In this work, obtained carbonaceous catalysts were tested in the process of isomerization of α-pinene to high value chemicals (mainly camphene and limonene). Under the most favorable conditions (activated carbon from sunflower husks content in reaction mixture 5 wt%, temperature 180 °C, and reaction time 100 min), α-pinene was completely converted (conversion 100 mol%) with high selectivity towards camphene (54 mol%). To prepare activated carbons, biomass precursors (orange peels, sunflower husks, spent coffee grounds) were activated with 85% H3PO4 through the chemical activation. The obtained materials were characterized by such methods as sorption N2 at - 196 °C, X-ray diffraction (XRD), Fourier-transform infrared spectroscopy (FTIR), scanning electron microscope (SEM), and X-ray fluorescence (XRF) to determine the relationship between their textural-chemical properties and catalysts activity in isomerization process. The synthesized materials were characterized by a specific surface area in the range of 930-1764 m2, total pore volume in the range of 0.551-1.02 cm3/g, and total acid-site concentrations in the range of 1.47-2.33 mmol/g. These results showed that textural parameters of the obtained activated carbons have the important role in the isomerization of α-pinene.
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Affiliation(s)
- Adrianna Kamińska
- Department of Catalytic and Sorbent Materials Engineering, Faculty of Chemical Technology and Engineering, West Pomeranian University of Technology in Szczecin, Piastów Ave. 42, 71-065, Szczecin, Poland
| | - Joanna Sreńscek-Nazzal
- Department of Catalytic and Sorbent Materials Engineering, Faculty of Chemical Technology and Engineering, West Pomeranian University of Technology in Szczecin, Piastów Ave. 42, 71-065, Szczecin, Poland
| | - Jarosław Serafin
- Department of Inorganic and Organic Chemistry, University of Barcelona, Martí I Franquès, 1-11, 08028, Barcelona, Spain.
| | - Piotr Miądlicki
- Department of Catalytic and Sorbent Materials Engineering, Faculty of Chemical Technology and Engineering, West Pomeranian University of Technology in Szczecin, Piastów Ave. 42, 71-065, Szczecin, Poland
| | - Karolina Kiełbasa
- Department of Catalytic and Sorbent Materials Engineering, Faculty of Chemical Technology and Engineering, West Pomeranian University of Technology in Szczecin, Piastów Ave. 42, 71-065, Szczecin, Poland
| | - Agnieszka Wróblewska
- Department of Catalytic and Sorbent Materials Engineering, Faculty of Chemical Technology and Engineering, West Pomeranian University of Technology in Szczecin, Piastów Ave. 42, 71-065, Szczecin, Poland
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Aziz K, Mamouni R, Kaya S, Aziz F. Low-cost materials as vehicles for pesticides in aquatic media: a review of the current status of different biosorbents employed, optimization by RSM approach. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:39907-39944. [PMID: 37227639 DOI: 10.1007/s11356-023-27640-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Accepted: 05/10/2023] [Indexed: 05/26/2023]
Abstract
Water contamination by pesticides is increasing dramatically due to population growth and the extensive use of pesticides in agriculture, leading to grave environmental and health concerns. Thus, efficient processes and the design and development of effective treatment technologies are required due to the enormous demand for fresh water. The adsorption approach has been widely used to remove organic contaminants such as pesticides because of its performance, less expense, high selectivity, and simplicity of operation compared to other treatment technologies. Among alternative adsorbents, biomaterials abundantly available for pesticide sorption from water resources have attracted the attention of researchers worldwide. The main objective of this review article is to (i) present studies on a wide range of raw or chemically modified biomaterials potentially effective in removing pesticides from aqueous media; (ii) indicating the effectiveness of biosorbents as green and low-cost materials for removing pesticides from wastewater; and (iii) furthermore, report the application of response surface methodology (RSM) for modeling and optimizing adsorption.
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Affiliation(s)
- Khalid Aziz
- Laboratory of Biotechnology, Materials and Environment, Faculty of Sciences, Ibn Zohr University, Agadir, Morocco
| | - Rachid Mamouni
- Laboratory of Biotechnology, Materials and Environment, Faculty of Sciences, Ibn Zohr University, Agadir, Morocco
| | - Savaş Kaya
- Health Services Vocational School, Department of Pharmacy, Sivas Cumhuriyet University, 58140, Sivas, Turkey
| | - Faissal Aziz
- Laboratory of Water, Biodiversity & Climate Changes, Faculty of Science Semlalia, Cadi Ayyad University, BP 2390, 40000, Marrakech, Morocco.
- National Centre for Research and Study On Water and Energy (CNEREE), University Cadi Ayyad, BP 511, 40000, Marrakech, Morocco.
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Schreiber F, Donato FF, Kemmerich M, Zanella R, Camargo ER, Avila LAD. Efficiency of home water filters on pesticide removal from drinking water. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 341:122936. [PMID: 37979648 DOI: 10.1016/j.envpol.2023.122936] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Revised: 11/03/2023] [Accepted: 11/12/2023] [Indexed: 11/20/2023]
Abstract
Water pollution via natural and anthropogenic activities has become a global problem, which can lead to short and long-term impacts on humans' health and the ecosystems. Substantial amounts of individual or mixtures of organic pollutants move into the surface water via point and non-point source contamination. Some of these compounds are known to be toxic and difficult to remove from water sources, thus affecting their quality. Moreover, environmental regulations in high-income countries have become very strict for drinking water treatment over the past decades, especially regarding pesticides. This study aimed to evaluate the efficiency of different residential water treatments to remove 13 pesticides with distinct physicochemical characteristics from the drinking water. Nine water treatments were used: four membrane filters, an activated carbon filter, ultraviolet radiation, reverse osmosis, ion exchange resins, and ozonation. The trial was performed with tap water contaminated with an environmental concentration of 13 pesticides. According to the results, activated carbon and reverse osmosis were 100% efficient for pesticide removal, followed by ion exchange resins and ultraviolet radiation. Membrane filters, in general, showed low efficiency and should, therefore, not be used for this purpose.
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Affiliation(s)
- Fábio Schreiber
- Laboratory of Environmental Fate of Herbicide, Department of Crop Protection, Federal University of Pelotas, Capão do Leão, RS, 96160-000, Brazil; F.S. Farm Limited, Itaí District, Ijuí, RS, 98717-000, Brazil
| | - Filipe Fagan Donato
- Laboratory of Pesticides Residues Analysis, Federal University of Santa Maria, Av. Roraima, 1000 - Camobi, Santa Maria, RS, 97105-000, Brazil; Education Department of the Polytechnic College, Federal University of Santa Maria, Av. Roraima, 1000 - Camobi, Santa Maria, RS, 97105-000, Brazil
| | - Magali Kemmerich
- Laboratory of Environmental Fate of Herbicide, Department of Crop Protection, Federal University of Pelotas, Capão do Leão, RS, 96160-000, Brazil; Laboratory of Pesticides Residues Analysis, Federal University of Santa Maria, Av. Roraima, 1000 - Camobi, Santa Maria, RS, 97105-000, Brazil; Federal University of Pampa, Chromatography and Food Analysis Research Group, Itaqui, RS, 97650-000, Brazil
| | - Renato Zanella
- Laboratory of Pesticides Residues Analysis, Federal University of Santa Maria, Av. Roraima, 1000 - Camobi, Santa Maria, RS, 97105-000, Brazil
| | - Edinalvo Rabaioli Camargo
- Laboratory of Environmental Fate of Herbicide, Department of Crop Protection, Federal University of Pelotas, Capão do Leão, RS, 96160-000, Brazil
| | - Luis Antonio de Avila
- Laboratory of Environmental Fate of Herbicide, Department of Crop Protection, Federal University of Pelotas, Capão do Leão, RS, 96160-000, Brazil; Department of Plant and Soil Sciences, Mississippi State University, Mississippi State, MS 39762, USA.
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Vieira Y, Schnorr C, Piazzi AC, Netto MS, Piccini WM, Franco DS, Mallmann ES, Georgin J, Silva LF, Dotto GL. An advanced combination of density functional theory simulations and statistical physics modeling in the unveiling and prediction of adsorption mechanisms of 2,4-D pesticide to activated carbon. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.119639] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Sanz-Santos E, Álvarez-Torrellas S, Larriba M, Calleja-Cascajero D, García J. Enhanced removal of neonicotinoid pesticides present in the Decision 2018/840/EU by new sewage sludge-based carbon materials. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2022; 313:115020. [PMID: 35398643 DOI: 10.1016/j.jenvman.2022.115020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Revised: 03/03/2022] [Accepted: 04/03/2022] [Indexed: 06/14/2023]
Abstract
Due to the increasingly strict legislation about the disposal of sewage sludge, it is necessary to find sustainable solutions to manage this waste at low-cost conditions. In addition, priority contaminants are now attracting much attention since they are usually detected in WWTP effluents. In this work, five sludge have been used as precursors for the synthesis of activated carbons subsequently tested in the removal by adsorption of three neonicotinoid pesticides listed in the EU Watch List: acetamiprid (ACT), thiamethoxam (THM), and imidacloprid (IMD). Generally, the activated carbons were prepared by chemical activation using ZnCl2 as an activating agent and then the resulting materials were pyrolyzed at 800 °C for 2 h. The synthesized activated carbons showed different textural properties; thus, the best adsorption results were found for AC-Industrial activated carbon, obtained from an industrial origin sewage sludge, with high equilibrium adsorption capacities (qe = 104.2, 137.0, and 119.9 mg g-1), for ACT, THM, and IMD, respectively. Furthermore, it was elucidated that the use of CO2 in the synthesis generated an opening, followed by widening, of the narrowest microporosity, increasing the specific surface area of the carbon materials. The kinetic and isotherm adsorption experimental data were obtained for each of the pesticide-activated carbon systems; thus, the kinetic curves were well-fitted to the pseudo-second-order kinetic model, as well as, Freundlich and Guggenheim-Anderson-de Boer (GAB) empirical models were used for the fitting of the equilibrium adsorption isotherms, finding that GAB model best fitted the experimental data. Additionally, the regeneration of the activated carbons using methanol as a regenerating agent and the single and simultaneous adsorption of a hospital wastewater effluent, fortified with the three studied pesticides have been explored.
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Affiliation(s)
- Eva Sanz-Santos
- Catalysis and Separation Processes Group, Chemical Engineering and Materials Department, Faculty of Chemistry, Complutense University, Avda. Complutense S/n, 28040, Madrid, Spain
| | - Silvia Álvarez-Torrellas
- Catalysis and Separation Processes Group, Chemical Engineering and Materials Department, Faculty of Chemistry, Complutense University, Avda. Complutense S/n, 28040, Madrid, Spain.
| | - Marcos Larriba
- Catalysis and Separation Processes Group, Chemical Engineering and Materials Department, Faculty of Chemistry, Complutense University, Avda. Complutense S/n, 28040, Madrid, Spain
| | - David Calleja-Cascajero
- Catalysis and Separation Processes Group, Chemical Engineering and Materials Department, Faculty of Chemistry, Complutense University, Avda. Complutense S/n, 28040, Madrid, Spain
| | - Juan García
- Catalysis and Separation Processes Group, Chemical Engineering and Materials Department, Faculty of Chemistry, Complutense University, Avda. Complutense S/n, 28040, Madrid, Spain
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Preparation and Characterization of Biochar Derived from Agricultural By-Products for Dye Removal. ADSORPT SCI TECHNOL 2021. [DOI: 10.1155/2021/9161904] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
In this study, biochar was derived from the agricultural by-products coconut coir (BC1) and rice husk (BC2) activated with NaOH 25%. This material was characterized through analytical methods such as SEM images, XRD, FTIR, and Raman. Analysis results indicated that the carbon structure carbon is amorphous and with many graphene layers. A high specific surface area was detected with 364.22 m2.g-1 for BC1 and 329.71 m2.g-1 for BC2 with many meso and micropores when analyzed by N2 and CO2 adsorption. The material also showed anionic and cationic dye adsorption capacity for textile wastewater following both Langmuir and Freundlich models where BC2 had better max adsorption capacity compared to BC1, 6.519 mg.g-1 for MO and 8.612 mg.g-1 for MB.
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Emam HE, Ahmed HB, Abdelhameed RM. Melt intercalation technique for synthesis of hetero-metallic@chitin bio-composite as recyclable catalyst for prothiofos hydrolysis. Carbohydr Polym 2021; 266:118163. [PMID: 34044959 DOI: 10.1016/j.carbpol.2021.118163] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Revised: 04/14/2021] [Accepted: 04/15/2021] [Indexed: 12/30/2022]
Abstract
The compatibility of homo-metallic and hetero-metallic bio-composite was promisingly investigated as recyclable catalyst for prothiofos hydrolysis. Chitin as water insoluble biopolymer was functionalized as a template for generation of homo-metallic (Ag@chitin, Au@chitin and Pd@chitin) and hetero-metallic (Au@Ag@chitin, Pd@Ag@chitin and Pd@Au@Ag@chitin) composites, by using melt intercalation technique. Investigation of the compatibility of the synthesized homo-metallic and hetero-metallic bio-composites in hydrolysis of prothiofos was performed and affirmed via HPLC results. Immobilization of Pd in the composites showed perfection in the catalytic performance for prothiofos hydrolysis. Pd@Au@Ag@chitin exhibited the highest hydrolysis result of 99% for prothiofos was hydrolyzed within 150 min with rate constant (k1) of 24.48 min-1. After five recycles for Pd@Au@Ag@chitin, the hydrolysis of prothiofos was lowered from 346 mg/g to 269 mg/g with reduction percentage of 22%. The synthesized bio-composite was highly effective as recyclable catalyst and can be easily served in the remediation of pesticides.
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Affiliation(s)
- Hossam E Emam
- Department of Pretreatment and Finishing of Cellulosic based Textiles, Textile Industries Research Division, National Research Centre, Scopus affiliation ID 60014618, 33 EL Buhouth St., Dokki, Giza 12622, Egypt.
| | - Hanan B Ahmed
- Chemistry Department, Faculty of Science, Helwan University, Ain-Helwan, Cairo 11795, Egypt.
| | - Reda M Abdelhameed
- Applied Organic Chemistry Department, National Research Centre, Scopus affiliation ID 60014618, 33 EL Buhouth St., Dokki, Giza 12622, Egypt.
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Garba ZN, Abdullahi AK, Haruna A, Gana SA. Risk assessment and the adsorptive removal of some pesticides from synthetic wastewater: a review. BENI-SUEF UNIVERSITY JOURNAL OF BASIC AND APPLIED SCIENCES 2021. [DOI: 10.1186/s43088-021-00109-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
The need for environmental protection and remediation processes has been an increasing global concern. Pesticides are used as biological agents, disinfectants, antimicrobials, and also in a mixture of some chemical substances. Their modes of application are through selective dispensing and attenuation processes which act upon any pest that compete with the production, processing, and storage of foods and also in agricultural commodes. The pests might comprise weeds, insects, birds, fish, and microbes.
Main body
Pesticides are commonly found in water surface, landfill leachate, ground water, and wastewater as pollutant. An overview of recently studied adsorption processes for the pesticide elimination from polluted water has been reported in this study utilizing activated carbon, clay materials, biomass materials, metal organic frame work, graphene, and carbon-based materials as well as agricultural wastes as adsorbents. The risk assessment and cost analysis of adsorbents were also provided.
Conclusion
Evidences from literature recommend modified adsorbent and composite materials to have a prospective use in pesticide removal from wastewater. The adsorption data obtained fitted into different isotherm and kinetic models and also the thermodynamic aspect have been discussed.
Graphical abstract
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10
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Ighalo JO, Adeniyi AG, Adelodun AA. Recent advances on the adsorption of herbicides and pesticides from polluted waters: Performance evaluation via physical attributes. J IND ENG CHEM 2021. [DOI: 10.1016/j.jiec.2020.10.011] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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Liu Z, Sun Y, Xu X, Qu J, Qu B. Adsorption of Hg(II) in an Aqueous Solution by Activated Carbon Prepared from Rice Husk Using KOH Activation. ACS OMEGA 2020; 5:29231-29242. [PMID: 33225154 PMCID: PMC7676363 DOI: 10.1021/acsomega.0c03992] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Accepted: 10/22/2020] [Indexed: 05/23/2023]
Abstract
With the development of industry, the discharge of wastewater containing mercury ions posed a serious threat to human health. Using biomass waste as an adsorbent to treat wastewater containing mercury ions was a better way due to its positive impacts on the environment and resource saving. In this research, activated carbon (AC) was prepared from rice husk (RH) by the KOH chemical activation method. The characterization results of scanning electron microscopy (SEM), Brunauer-Emmett-Teller (BET), Fourier transform infrared (FTIR), Raman spectroscopy, and X-ray photoelectron spectroscopy (XPS) showed that rice husk-activated carbon (RHAC) had good pore structure and oxygen-containing functional groups. The influences of contact time, initial concentration of Hg(II), adsorbent dosage, pH, and ionic strength on mercury ion removal were investigated. The Langmuir model was most suitable for the adsorption isotherm of RHAC, and its maximum adsorption capacity for Hg(II) was 55.87 mg/g. RHAC still had a high removal capacity for Hg(II) after five regeneration cycles. RHAC had excellent removal efficiency for mercury ion wastewater. At the same time, RH could be used as a nonpolluting and outstanding characteristic adsorbent material.
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Affiliation(s)
- Zhiyuan Liu
- College
of Engineering, Northeast Agricultural University, Harbin 150030, P. R. China
- Key
Laboratory of Agricultural Renewable Resources Utilization Technology
and Equipment in Cold Areas of Heilongjiang Province, Harbin 150030, P. R. China
- CAS
Key Laboratory of Renewable Energy, Guangzhou
Institute of Energy Conversion, Guangzhou 510640, P. R.
China
| | - Yong Sun
- College
of Engineering, Northeast Agricultural University, Harbin 150030, P. R. China
- Key
Laboratory of Agricultural Renewable Resources Utilization Technology
and Equipment in Cold Areas of Heilongjiang Province, Harbin 150030, P. R. China
| | - Xinrui Xu
- College
of Engineering, Northeast Agricultural University, Harbin 150030, P. R. China
- Key
Laboratory of Agricultural Renewable Resources Utilization Technology
and Equipment in Cold Areas of Heilongjiang Province, Harbin 150030, P. R. China
| | - Jingbo Qu
- College
of Engineering, Northeast Agricultural University, Harbin 150030, P. R. China
- Key
Laboratory of Agricultural Renewable Resources Utilization Technology
and Equipment in Cold Areas of Heilongjiang Province, Harbin 150030, P. R. China
| | - Bin Qu
- College
of Engineering, Northeast Agricultural University, Harbin 150030, P. R. China
- Key
Laboratory of Agricultural Renewable Resources Utilization Technology
and Equipment in Cold Areas of Heilongjiang Province, Harbin 150030, P. R. China
- CAS
Key Laboratory of Renewable Energy, Guangzhou
Institute of Energy Conversion, Guangzhou 510640, P. R.
China
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Emara MM, Farag RS, Mubarak MF, Ali SK. Synthesis of core–shell activated carbon/CaO composite from Ficus Nitida leaves, as an efficient adsorbent for removal of methylene blue. ACTA ACUST UNITED AC 2020. [DOI: 10.1007/s41204-020-00088-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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13
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Synthesis of a cleaner potassium hydroxide-activated carbon from baobab seeds hulls and investigation of adsorption mechanisms for diuron. SCIENTIFIC AFRICAN 2020. [DOI: 10.1016/j.sciaf.2020.e00476] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
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14
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Non-thermal treatment for the stabilisation of liquid food using a tubular cellulose filter from corn stalks. Food Control 2020. [DOI: 10.1016/j.foodcont.2020.107164] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Reza MS, Yun CS, Afroze S, Radenahmad N, Bakar MSA, Saidur R, Taweekun J, Azad AK. Preparation of activated carbon from biomass and its’ applications in water and gas purification, a review. ARAB JOURNAL OF BASIC AND APPLIED SCIENCES 2020. [DOI: 10.1080/25765299.2020.1766799] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
Affiliation(s)
- Md Sumon Reza
- Faculty of Integrated Technologies, Universiti Brunei Darussalam, JalanTungku Link, Gadong, BE, Brunei Darussalam
| | - Cheong Sing Yun
- Faculty of Integrated Technologies, Universiti Brunei Darussalam, JalanTungku Link, Gadong, BE, Brunei Darussalam
| | - Shammya Afroze
- Faculty of Integrated Technologies, Universiti Brunei Darussalam, JalanTungku Link, Gadong, BE, Brunei Darussalam
| | - Nikdalila Radenahmad
- Faculty of Integrated Technologies, Universiti Brunei Darussalam, JalanTungku Link, Gadong, BE, Brunei Darussalam
| | - Muhammad S. Abu Bakar
- Faculty of Integrated Technologies, Universiti Brunei Darussalam, JalanTungku Link, Gadong, BE, Brunei Darussalam
| | - Rahman Saidur
- Research Center for Nano-Materials and Energy Technology (RCNMET), School of Science and Technology, Sunway University, Selangor, Darul Ehsan, Malaysia
| | - Juntakan Taweekun
- Department of Mechanical Engineering, Faculty of Engineering, Prince of Songkla University, Hatyai, Songkla, Thailand
| | - Abul K. Azad
- Faculty of Integrated Technologies, Universiti Brunei Darussalam, JalanTungku Link, Gadong, BE, Brunei Darussalam
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Feasibility Study on the Use of Recycled Polymers for Malathion Adsorption: Isotherms and Kinetic Modeling. MATERIALS 2020; 13:ma13081824. [PMID: 32290629 PMCID: PMC7215715 DOI: 10.3390/ma13081824] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/17/2020] [Revised: 04/02/2020] [Accepted: 04/08/2020] [Indexed: 11/16/2022]
Abstract
In this study, the use of Polyvinylchloride (PVC) and High Density Polystyrene (HDPS) was demonstrated as an alternative for the adsorption of Malathion. Adsorption kinetics and isotherms were used to compare three different adsorbent materials: PVC, HDPS, and activated carbon. The adsorption capacity of PVC was three times higher than activated carbon, and a theoretical value of 96.15 mg of Malathion could be adsorbed when using only 1 g of PVC. A pseudo first-order rate constant of 1.98 (1/h) was achieved according to Lagergren kinetic model. The adsorption rate and capacity values obtained in the present study are very promising since with very little adsorbent material it is possible to obtain high removal efficiencies. Phosphorous and sulfur elements were identified through Energy Dispersive X-ray (EDX) analysis and evidenced the malathion adsorption on PVC. The characteristic spectrum of malathion was identified by the Fourier Transform Infrared (FTIR) Spectroscopy analysis. The Thermogravimetric and Differential Thermal Analysis (TG/DTA) suggested that the adsorption of malathion on the surface of the polymers was mainly determined by hydrogen bonds.
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17
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Treatment of Dye Containing Wastewater Using Agricultural Biomass Derived Magnetic Adsorbents. GREEN MATERIALS FOR WASTEWATER TREATMENT 2020. [DOI: 10.1007/978-3-030-17724-9_7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/02/2022]
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18
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Hybrid Material Based on an Amorphous-Carbon Matrix and ZnO/Zn for the Solar Photocatalytic Degradation of Basic Blue 41. Molecules 2019; 25:molecules25010096. [PMID: 31888030 PMCID: PMC6983089 DOI: 10.3390/molecules25010096] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2019] [Revised: 12/23/2019] [Accepted: 12/24/2019] [Indexed: 02/06/2023] Open
Abstract
Innovative composites based on an amorphous-carbon matrix containing a second phase ZnO oxide and/or highly dispersed Zn metallic were synthesized via a modified Pechini route, in which a partial pyrolysis method was reached. Studies of adsorption in the dark and the photocatalytic activity for the cationic azo-dye, basic blue 41, and degradation were carried out. X-ray diffraction patterns for the carbon matrix and its composite with Zn show characteristics of the amorphous carbon. The infrared in the mid region of the composite prepared with ZnO and Zn exhibit vibrational bands related to bonds zinc oxide. The surface pH of the material is the main factor responsible for the adsorption of the azo-dye, but the contribution of mesopores favored the diffusion of molecules from the bulk of solution to the pore framework. Esters-like functional groups on the surface of carbons hinder the adsorption of the azo-dye. When Zn is embedded within amorphous carbon the photocatalytic activity of the composites showed up to 2.4 higher than neat ZnO. The enhancement in the photocatalytic activity and stability of C/ZnO/Zn and C/Zn composites is discussed in terms of a protector effect by the carbon layers inserted in composites. Carbon layers are responsible to inhibit the lixiviation of ZnO particles along irradiation.
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Amézquita-Marroquín CP, Torres-Lozada P, Giraldo L, Húmpola PD, Rivero E, Poon PS, Matos J, Moreno-Piraján JC. Sustainable production of nanoporous carbons: Kinetics and equilibrium studies in the removal of atrazine. J Colloid Interface Sci 2019; 562:252-267. [PMID: 31838361 DOI: 10.1016/j.jcis.2019.12.026] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2019] [Revised: 12/01/2019] [Accepted: 12/06/2019] [Indexed: 11/24/2022]
Abstract
Nanoporous carbons have been prepared from mangosteen peels-derived chars by physical activation under CO2 flow as a function of temperature. As an example of circular bioeconomy, these sustainable adsorbents were used to remove atrazine, a common pesticide from the agroindustry. Several adsorption models such as Langmuir (two parameter), Sips and Redlich-Peterson (three parameters) were applied to verify the influence of carbon's properties on the uptake of atrazine. Additional kinetic models (pseudo-first order, pseudo-second order and Avrami's) allowed to establish that a mixture of physisorption and chemisorption describes the interaction between the nanoporous carbons and atrazine. As a general fact, an important diffusion of atrazine from the bulk of solution to the surface of carbons was observed. All samples were able to remove atrazine, but the highest uptake was found in the carbon with the highest contribution of micropores to the total pore of volume and with the lowest content of basic surface groups. Several correlations between the kinetic and equilibrium parameters for the atrazine adsorption were found as a function of the textural properties and surface chemistry. Based on the kinetics and equilibrium parameters, the present work proposes a mechanism for the atrazine adsorption on nanoporous carbons contributing to the understanding of the interactions between pollutant molecules and the surface functional groups on nanoporous carbons in the liquid-solid interface.
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Affiliation(s)
- Claudia P Amézquita-Marroquín
- Escuela de Ingeniería de los Recursos naturales y del Ambiente, Facultad de Ingeniería, Universidad del Valle, Calle 13 100-00, Cali, Colombia
| | - Patricia Torres-Lozada
- Escuela de Ingeniería de los Recursos naturales y del Ambiente, Facultad de Ingeniería, Universidad del Valle, Calle 13 100-00, Cali, Colombia
| | - Liliana Giraldo
- Departamento de Química, Facultad de Ciencias, Universidad Nacional de Colombia, Carrera 45, Bogotá, Colombia
| | - Pablo D Húmpola
- Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Ruta Nacional N° 168, km 472, Santa Fe, Argentina
| | - Eliram Rivero
- Advanced Electron Microscopy Unit, Venezuelan Institute for Scientific Research (IVIC), Caracas 1020-A, Venezuela
| | - Po S Poon
- Unidad de Desarrollo Tecnológico (UDT), Universidad de Concepción, Barrio Universitario s/n, Concepción, Chile
| | - Juan Matos
- Unidad de Desarrollo Tecnológico (UDT), Universidad de Concepción, Barrio Universitario s/n, Concepción, Chile; Millennium Nuclei on Catalytic Processes towards Sustainable Chemistry (CSC), Chile.
| | - Juan C Moreno-Piraján
- Departamento de Química, Facultad de Ciencias, Universidad de los Andes, Carrera Primera 18A-12, Bogotá, Colombia.
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Yang B, Liu Y, Liang Q, Chen M, Ma L, Li L, Liu Q, Tu W, Lan D, Chen Y. Evaluation of activated carbon synthesized by one-stage and two-stage co-pyrolysis from sludge and coconut shell. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2019; 170:722-731. [PMID: 30580167 DOI: 10.1016/j.ecoenv.2018.11.130] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2018] [Revised: 11/24/2018] [Accepted: 11/28/2018] [Indexed: 06/09/2023]
Abstract
Waste biomass and sewage sludge were used to obtain an adsorbent material with excellent performance qualities by adopting a KOH activation process via one-stage (ACone) or two-stage (ACtwo) co-pyrolysis. The main purpose of this work was to investigate the effects of both methods in terms of the physicochemical properties and adsorption capacities for methylene blue (MB). Textural analyses revealed that the surface area (Stot= 683.82 m2/g) and total pore volume (Vtot= 0.72 cm3/g) of ACtwo were more than two-fold compared with ACone (Stot= 285.33 m2/g; Vtot= 0.35 cm3/g). Thus, two-stage co-pyrolysis produced activated carbon with increased porosity, which was favorable for MB adsorption. Nevertheless, the intensity of the surface functional groups of ACtwo was weaker than for ACone, which could be due to the pore-forming mechanism. Two-stage co-pyrolysis increased the yield and aromaticity of activated carbon, but sufficient activation caused more functional groups to decompose. For the adsorbate MB, the maximum adsorption capacity of ACtwo (602.80 mg/g) was more than five-fold greater than that of ACone (101.88 mg/g), due to its excellent porosity properties. Furthermore, the interactions of MB molecules with activated carbon were via hydrogen bonds and electrostatic attraction. The adsorption process of MB onto activated carbon was accurately described by the pseudo-second-order kinetic model. Adsorption equilibrium evaluated Langmuir isotherms demonstrated that MB formed a monolayer by adsorption onto the activated carbon. Adsorption thermodynamics was used to investigate the influence of temperature on the adsorption process. Thermodynamic parameters indicated that MB adsorption onto activated carbon was spontaneous and endothermic. In conclusion, our results showed that two-stage co-pyrolysis improves the adsorption capabilities of activated carbon, so achieving better economic value from waste materials.
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Affiliation(s)
- Bing Yang
- School of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu 610500, Sichuan, China; Research Institute of Industrial Hazardous Waste Disposal and Resource Utilization, Southwest Petroleum University, Chengdu 610500, Sichuan, China
| | - Yucheng Liu
- School of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu 610500, Sichuan, China; Research Institute of Industrial Hazardous Waste Disposal and Resource Utilization, Southwest Petroleum University, Chengdu 610500, Sichuan, China.
| | - Qingling Liang
- School of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu 610500, Sichuan, China
| | - Mingyan Chen
- School of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu 610500, Sichuan, China; Research Institute of Industrial Hazardous Waste Disposal and Resource Utilization, Southwest Petroleum University, Chengdu 610500, Sichuan, China
| | - Lili Ma
- School of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu 610500, Sichuan, China; Research Institute of Industrial Hazardous Waste Disposal and Resource Utilization, Southwest Petroleum University, Chengdu 610500, Sichuan, China
| | - Lingli Li
- School of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu 610500, Sichuan, China; Research Institute of Industrial Hazardous Waste Disposal and Resource Utilization, Southwest Petroleum University, Chengdu 610500, Sichuan, China
| | - Qian Liu
- Sichuan Academy of Environmental Sciences, Chengdu 610041, Sichuan, China
| | - Wenwen Tu
- School of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu 610500, Sichuan, China
| | - Dawei Lan
- School of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu 610500, Sichuan, China
| | - Yuanyuan Chen
- School of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu 610500, Sichuan, China
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Sofi IR, Bhat RA, Quadir R, Manzoor J. Occurrence of Pesticides and Their Removal From Aquatic Medium by Adsorption. ADVANCES IN ENVIRONMENTAL ENGINEERING AND GREEN TECHNOLOGIES 2019. [DOI: 10.4018/978-1-5225-6111-8.ch015] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Large amounts of pesticides are used annually, and in some cases, a part of the pesticide enters the water bodies by surface runoff to form long-term residues. In the recent past, the adverse effects of pesticides on the environment and human health received serious attention by the public and the competent authorities. Various conventional methods are used to remove these pesticides from water, but those methods are either costly or typical in operation. Therefore, adsorption is considered as an ecofriendly method. The adsorbent derived from biomaterial is considered an encouraging adsorbent due to its cost-effective and high adsorption capacity. In this chapter, detailed information on different types of pesticides, their metabolites, environmental concerns, and present status on degradation methods using adsorbents will be reviewed. This chapter presents a comprehensive overview on the recent advancement in the utilization of different adsorbents for the removal of pesticides. Overall, this study assists researchers to move forward in exploring a simple and economically viable technique to produce adsorbents with outstanding physiochemical properties and excellent adsorption capacity, so that the pesticides can be removed from aquatic ecosystem.
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22
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Activated Carbon, Biochar and Charcoal: Linkages and Synergies across Pyrogenic Carbon’s ABCs. WATER 2018. [DOI: 10.3390/w10020182] [Citation(s) in RCA: 85] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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Bernardo MMS, Madeira CAC, Dos Santos Nunes NCL, Dias DACM, Godinho DMB, de Jesus Pinto MF, do Nascimento Matos IAM, Carvalho APB, de Figueiredo Ligeiro Fonseca IM. Study of the removal mechanism of aquatic emergent pollutants by new bio-based chars. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2017; 24:22698-22708. [PMID: 28815412 DOI: 10.1007/s11356-017-9938-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2017] [Accepted: 08/09/2017] [Indexed: 06/07/2023]
Abstract
This work is dedicated to study the potential application of char byproducts obtained in the gasification of rice husk (RG char) and rice husk blended with corn cob (RCG char) as removal agents of two emergent aquatic contaminants: tetracycline and caffeine. The chars presented high ash contents (59.5-81.5%), being their mineral content mainly composed of silicon (as silica) and potassium. The samples presented a strong basic character, which was related to its higher mineral oxides content. RCG char presented better textural properties with a higher apparent surface area (144 m2 g-1) and higher micropore content (V micro = 0.05 cm3 g-1). The alkaline character of both chars promoted high ecotoxicity levels on their aqueous eluates; however, the ecotoxic behaviour was eliminated after pH correction. Adsorption experiments showed that RG char presented higher uptake capacity for both tetracycline (12.9 mg g-1) and caffeine (8.0 mg g-1), indicating that textural properties did not play a major role in the adsorption process. For tetracycline, the underlying adsorption mechanism was complexation or ion exchange reactions with the mineral elements of chars. The higher affinity of RG char to caffeine was associated with the higher alkaline character presented by this char.
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Affiliation(s)
- Maria Manuel Serrano Bernardo
- LAQV/REQUIMTE, Departamento de Química, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, 2829-516, Caparica, Portugal.
| | | | - Nuno Carlos Lapa Dos Santos Nunes
- LAQV/REQUIMTE, Departamento de Ciências e Tecnologia da Biomassa, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, 2829-516, Caparica, Portugal
| | - Diogo André Costa Messias Dias
- LAQV/REQUIMTE, Departamento de Ciências e Tecnologia da Biomassa, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, 2829-516, Caparica, Portugal
| | - Delfina Maria Barbosa Godinho
- LAQV/REQUIMTE, Departamento de Química, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, 2829-516, Caparica, Portugal
| | - Maria Filomena de Jesus Pinto
- Unidade de Bioenergia, Laboratório Nacional de Energia e Geologia, Estrada do Paço do Lumiar, Ed. J, 1649-038, Lisbon, Portugal
| | | | - Ana Paula Batista Carvalho
- Centro de Química e Bioquímica, Faculdade de Ciências, Universidade de Lisboa, 1749-016, Lisbon, Portugal
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24
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Fu K, Yue Q, Gao B, Wang Y, Li Q. Activated carbon from tomato stem by chemical activation with FeCl2. Colloids Surf A Physicochem Eng Asp 2017. [DOI: 10.1016/j.colsurfa.2017.06.064] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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25
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Chemrak MA, Benderdouche N, Bestani B, Benallou MB, Cagnon B. Removal of mercury from natural gas by a new activated adsorbent from olive stones. CAN J CHEM ENG 2017. [DOI: 10.1002/cjce.22944] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Mohammed Amin Chemrak
- LSEA2M, Faculté des Sciences et de la Technologie; Université Abdelhamid Ibn Badis de Mostaganem (UMAB); B.P. 188, Mostaganem 27000 Algeria
| | - Noureddine Benderdouche
- LSEA2M, Faculté des Sciences et de la Technologie; Université Abdelhamid Ibn Badis de Mostaganem (UMAB); B.P. 188, Mostaganem 27000 Algeria
| | - Benaouda Bestani
- LSEA2M, Faculté des Sciences et de la Technologie; Université Abdelhamid Ibn Badis de Mostaganem (UMAB); B.P. 188, Mostaganem 27000 Algeria
| | - Mokhtar Benzekri Benallou
- LSEA2M, Faculté des Sciences et de la Technologie; Université Abdelhamid Ibn Badis de Mostaganem (UMAB); B.P. 188, Mostaganem 27000 Algeria
| | - Benoît Cagnon
- ICMN- Interfaces Confinement Matériaux Nanostructures, UMR 7374-CNRS; Université d'Orléans, 1B rue de la Férollerie; CS 40059, 45071 Orléans Cedex 2 France
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26
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Marazzi F, Sambusiti C, Monlau F, Cecere S, Scaglione D, Barakat A, Mezzanotte V, Ficara E. A novel option for reducing the optical density of liquid digestate to achieve a more productive microalgal culturing. ALGAL RES 2017. [DOI: 10.1016/j.algal.2017.03.014] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2022]
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Belo CR, Cansado IPDP, Mourão PAM. Synthetic polymers blend used in the production of high activated carbon for pesticides removals from liquid phase. ENVIRONMENTAL TECHNOLOGY 2017; 38:285-296. [PMID: 27189261 DOI: 10.1080/09593330.2016.1190409] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2016] [Accepted: 05/11/2016] [Indexed: 06/05/2023]
Abstract
For the activated carbon (AC) production, we used the most common industrial and consumer solid waste, namely polyethyleneterephthalate (PET), alone or blended with other synthetic polymer such polyacrylonitrile (PAN). By mixing PET, with PAN, an improvement in the yield of the AC production was found and the basic character and some textural and chemical properties were enhanced. The PET-PAN mixture was subjected to carbonisation, with a pyrolysis yield of 31.9%, between that obtained with PET (16.9%) or PAN (42.6%) separately. The AC revealed a high surface area (1400, 1230 and 1117 m2 g-1) and pore volume (0.46, 0.56 and 0.50 cm3 g-1), respectively, for PET, PAN and PET-PAN precursors. Selected ACs were successfully tested for 4-chloro-2-methylphenoxyacetic acid (MCPA) and diuron removal from the liquid phase, showing a higher adsorption capacity (1.7 and 1.2 mmol g-1, respectively, for MCPA and diuron) and good fits with the Langmuir (PET) and Freundlich equation (PAN and PET-PAN blend). With MCPA, the controlling factor to the adsorption capacity was the porous volume and the average pore size. Concerning diuron, the adsorption was controlled essentially by the external diffusion. A remarkable result is the use of different synthetic polymers wastes, as precursors for the production of carbon materials, with high potential application on the pesticides removals from the liquid phase.
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Affiliation(s)
- Cristóvão Ramiro Belo
- a Faculdade de Educação, Artes e Humanidades, Departamento do Ensino de Química , Universidade Nacional Timor Lorosa'e , Rua Jacinto Cândido , Díli , Timor Leste
- b Centro de Química de Évora and Departamento de Química , Instituto de Investigação e Formação Avançada and Escola de Ciências e Tecnologia, Universidade de Évora - Rua Romão Ramalho n°59 , Évora , Portugal
| | - Isabel Pestana da Paixão Cansado
- b Centro de Química de Évora and Departamento de Química , Instituto de Investigação e Formação Avançada and Escola de Ciências e Tecnologia, Universidade de Évora - Rua Romão Ramalho n°59 , Évora , Portugal
| | - Paulo Alexandre Mira Mourão
- b Centro de Química de Évora and Departamento de Química , Instituto de Investigação e Formação Avançada and Escola de Ciências e Tecnologia, Universidade de Évora - Rua Romão Ramalho n°59 , Évora , Portugal
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28
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Potential of Arundo donax L. stems as renewable precursors for activated carbons and utilization for wastewater treatments: Review. J Taiwan Inst Chem Eng 2016. [DOI: 10.1016/j.jtice.2016.03.030] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Sarswat A, Mohan D. Sustainable development of coconut shell activated carbon (CSAC) & a magnetic coconut shell activated carbon (MCSAC) for phenol (2-nitrophenol) removal. RSC Adv 2016. [DOI: 10.1039/c6ra19756f] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Slow pyrolysis coconut shell (CSAC) and magnetic coconut shell (MCSAC) activated carbons were prepared, characterized and used for aqueous 2-nitrophenol (2-NP) removal.
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Affiliation(s)
- Ankur Sarswat
- School of Environmental Sciences
- Jawaharlal Nehru University
- New Delhi 110067
- India
| | - Dinesh Mohan
- School of Environmental Sciences
- Jawaharlal Nehru University
- New Delhi 110067
- India
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Tang S, Chen Y, Xie R, Jiang W, Jiang Y. Preparation of activated carbon from corn cob and its adsorption behavior on Cr(VI) removal. WATER SCIENCE AND TECHNOLOGY : A JOURNAL OF THE INTERNATIONAL ASSOCIATION ON WATER POLLUTION RESEARCH 2016; 73:2654-2661. [PMID: 27232401 DOI: 10.2166/wst.2016.120] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Operation experiments were conducted to optimize the preparation of activated carbons from corn cob. The Cr(VI) adsorption capacity of the produced activated carbons was also evaluated. The impact of the adsorbent dosage, contact time, initial solution pH and temperature was studied. The results showed that the produced corn cob activated carbon had a good Cr(VI) adsorptive capacity; the theoretical maximum adsorption was 34.48 mg g(-1) at 298 K. The Brunauer-Emmett-Teller and iodine adsorption value of the produced activated carbon could be 924.9 m(2) g(-1) and 1,188 mg g(-1), respectively. Under the initial Cr(VI) concentration of 10 mg L(-1) and the original solution pH of 5.8, an adsorption equilibrium was reached after 4 h, and Cr(VI) removal rate was from 78.9 to 100% with an adsorbent's dosage increased from 0.5 to 0.7 g L(-1). The kinetics and equilibrium data agreed well with the pseudo-second-order kinetics model and the Langmuir isotherm model. The equilibrium adsorption capacity improved with the increment of the temperature.
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Affiliation(s)
- Shuxiong Tang
- College of Architecture and Environment, Sichuan University, Chengdu 610065, China E-mail:
| | - Yao Chen
- College of Architecture and Environment, Sichuan University, Chengdu 610065, China E-mail:
| | - Ruzhen Xie
- College of Architecture and Environment, Sichuan University, Chengdu 610065, China E-mail:
| | - Wenju Jiang
- College of Architecture and Environment, Sichuan University, Chengdu 610065, China E-mail:
| | - Yanxin Jiang
- College of Architecture and Environment, Sichuan University, Chengdu 610065, China E-mail:
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Batista MKS, Mestre AS, Matos I, Fonseca IM, Carvalho AP. Biodiesel production waste as promising biomass precursor of reusable activated carbons for caffeine removal. RSC Adv 2016. [DOI: 10.1039/c6ra09006k] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Turning waste into valuable products: K2CO3 activation of rapeseed residues from biodiesel industry for the production of new and reusable activated carbons for caffeine removal from water.
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Affiliation(s)
- Mary K. S. Batista
- Centro de Química e Bioquímica
- Faculdade de Ciências
- Universidade de Lisboa
- 1749-016 Lisboa
- Portugal
| | - Ana S. Mestre
- Centro de Química e Bioquímica
- Faculdade de Ciências
- Universidade de Lisboa
- 1749-016 Lisboa
- Portugal
| | - Inês Matos
- LAQV-REQUIMTE
- Departamento de Química
- Faculdade de Ciências e Tecnologia
- Universidade Nova de Lisboa
- Quinta da Torre
| | - Isabel M. Fonseca
- LAQV-REQUIMTE
- Departamento de Química
- Faculdade de Ciências e Tecnologia
- Universidade Nova de Lisboa
- Quinta da Torre
| | - Ana P. Carvalho
- Centro de Química e Bioquímica
- Faculdade de Ciências
- Universidade de Lisboa
- 1749-016 Lisboa
- Portugal
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Berrazoum A, Marouf R, Ouadjenia F, Schott J. Bioadsorption of a reactive dye from aqueous solution by municipal solid waste. ACTA ACUST UNITED AC 2015. [PMID: 28626714 PMCID: PMC5466063 DOI: 10.1016/j.btre.2015.04.005] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
The biosorbent was obtained from municipal solid waste (MSW) of the Mostaganem city. Before use the MSW was dried in air for three days and washed several times. The sorption of yellow procion reactive dye MX-3R onto biomass from aqueous solution was investigated as function of pH, contact time and temperature. The adsorption capacity of MX-3R was 45.84 mg/g at pH 2–3 and room temperature. MX-3R adsorption decreases with increasing temperature. The Langmuir, Freundlich and Langmuir–Freundlich adsorption models were applied to describe the related isotherms. Langmuir–Freundlich equation has shown the best fitting with the experimental data. The pseudo first-order, pseudo second-order and intra-particle diffusion kinetic models were used to describe the kinetic sorption. The results clearly showed that the adsorption of MX-3R onto biosorbent followed the pseudo second-order model. The enthalpy (ΔH°), entropy (ΔS°) and Gibbs free energy (ΔG°) changes of adsorption were calculated. The results indicated that the adsorption of MX-3R occurs spontaneously as an exothermic process.
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Affiliation(s)
- Abdelkader Berrazoum
- Laboratory of Materials, Applications and Environment, University of Mascara, 29000 Algeria
| | - Reda Marouf
- Laboratory of Materials, Applications and Environment, University of Mascara, 29000 Algeria
| | - Fatima Ouadjenia
- Laboratory of Materials, Applications and Environment, University of Mascara, 29000 Algeria
| | - Jacques Schott
- Laboratoire Géosciences Environnement Toulouse, CNRS (UMR 5563), OMP-Université Paul-Sabatier, Toulouse, France
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34
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Njoku VO, Islam MA, Asif M, Hameed BH. Adsorption of 2,4-dichlorophenoxyacetic acid by mesoporous activated carbon prepared from H3PO4-activated langsat empty fruit bunch. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2015; 154:138-144. [PMID: 25721981 DOI: 10.1016/j.jenvman.2015.02.002] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2014] [Revised: 02/04/2015] [Accepted: 02/06/2015] [Indexed: 06/04/2023]
Abstract
The removal of toxic herbicide from wastewater is challenging due to the availability of suitable adsorbents. The Langsat empty fruit bunch is an agricultural waste and was used in this study as a cheap precursor to produce activated carbon for the adsorption of herbicide 2,4-dichlorophenoxyacetic acid (2,4-D) at different initial concentrations ranging from 50 to 400 mg/L. The produced Langsat empty fruit bunch activated carbon (LEFBAC) was mesoporous and had high surface area of 1065.65 m(2)/g with different active functional groups. The effect of shaking time, temperature and pH on 2,4-D removal were investigated using the batch technique. The adsorption capacity of 2,4-D by LEFBAC was decreased with increase in pH of solution whereas adsorption capacity increased with temperature. The adsorption data was well described by Langmuir isotherm followed by removal capacity of 261.2 mg/g at 30 °C. The results from this work showed that LEFBAC can be used as outstanding material for anionic herbicide uptake from wastewater.
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Affiliation(s)
- V O Njoku
- School of Chemical Engineering, Engineering Campus, Universiti Sains Malaysia, 14300 Nibong Tebal, Penang, Malaysia; Department of Chemistry, Faculty of Science, Imo State University, P.M.B. 2000, Owerri, Nigeria
| | - Md Azharul Islam
- School of Chemical Engineering, Engineering Campus, Universiti Sains Malaysia, 14300 Nibong Tebal, Penang, Malaysia; Forestry and Wood Technology Discipline, Khulna University, Khulna 9208, Bangladesh
| | - M Asif
- Chemical Engineering Department, College of Engineering, King Saud University, P.O. Box 800, Riyadh 11421, Saudi Arabia
| | - B H Hameed
- School of Chemical Engineering, Engineering Campus, Universiti Sains Malaysia, 14300 Nibong Tebal, Penang, Malaysia.
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35
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Tran VS, Ngo HH, Guo W, Zhang J, Liang S, Ton-That C, Zhang X. Typical low cost biosorbents for adsorptive removal of specific organic pollutants from water. BIORESOURCE TECHNOLOGY 2015; 182:353-363. [PMID: 25690682 DOI: 10.1016/j.biortech.2015.02.003] [Citation(s) in RCA: 120] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2014] [Revised: 02/01/2015] [Accepted: 02/02/2015] [Indexed: 06/04/2023]
Abstract
Specific organic pollutants (SOPs) such as phenolic compounds, PAHs, organic pesticides, and organic herbicides cause health and environmental problems due to their excessive toxic properties and poor biodegradability. Low-cost biosorbents are considered as a promising alternative for conventional adsorbents to remove SOPs from water. These materials have several advantages such as high sorption capacities, good modifiability and recoverability, insensitivity to toxic substances, simple operation in the treatment processes. However, previous reports on various types of biosorbents for removing SOPs are still moderately fragmented. Hence, this paper provides a comprehensive review on using typical low-cost biosorbents obtained from lignocellulose and chitin/chitosan for SOPs adsorption. Especially, their characteristics, biosorption mechanism together with utilization for eliminating SOPs are presented and discussed. The paper also gives a critical view regarding future applications of low-cost biosorbents in SOPs-contaminated water treatment.
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Affiliation(s)
- Van Son Tran
- Centre for Technology in Water and Wastewater, School of Civil and Environmental Engineering, University of Technology Sydney, Broadway, NSW 2007, Australia
| | - Huu Hao Ngo
- Centre for Technology in Water and Wastewater, School of Civil and Environmental Engineering, University of Technology Sydney, Broadway, NSW 2007, Australia.
| | - Wenshan Guo
- Centre for Technology in Water and Wastewater, School of Civil and Environmental Engineering, University of Technology Sydney, Broadway, NSW 2007, Australia
| | - Jian Zhang
- Shandong Provincial Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Shandong University, Jinan 250100, China
| | - Shuang Liang
- Shandong Provincial Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Shandong University, Jinan 250100, China
| | - Cuong Ton-That
- School of Physics and Advanced Materials, University of Technology Sydney, Broadway, NSW 2007, Australia
| | - Xinbo Zhang
- School of Environmental and Municipal Engineering, Tianjin Chengjian University, Tianjin 300384, China
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36
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Ensuncho-Muñoz AE, Carriazo JG. Characterization of the carbonaceous materials obtained from different agro-industrial wastes. ENVIRONMENTAL TECHNOLOGY 2015; 36:547-555. [PMID: 25189634 DOI: 10.1080/09593330.2014.952679] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
This paper reports the preparation and characterization of carbonaceous materials obtained from three types of vegetable wastes provided by agricultural industries. Soft carbonization (280°C) and H3PO4-activation procedures were used to convert the agricultural wastes to carbon powders with high adsorbent capacities. This process is excellent for eliminating and exploiting the huge masses (many tons) of vegetable residues remaining after each harvest every year in several Colombian agro-industries. The powders were characterized by X-ray diffraction (XRD), IR spectroscopy, scanning electron microscopy (SEM), and N2-adsorption isotherms. XRD and IR verified the formation of carbons, and SEM showed small particles (20-500 µm) with characteristic morphology for each type of residue used and abundant cavities of different sizes. The N2-adsorption analyses showed that the carbons had high adsorption capacities with important surface area values and large pore volumes. The use of the activated carbonaceous materials as adsorbent of azo dyes (allura red and sunset yellow) from aqueous solutions was evaluated. The results showed a good adsorption capacity indicating the potentiality of these materials as pollutant adsorbents in food industry wastewaters. These results indicate that these powders can be used as potential adsorbents for different gaseous or liquid pollutants.
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Affiliation(s)
- A E Ensuncho-Muñoz
- a Departamento de Química, Facultad de Ciencias e Ingeniería , Universidad de Córdoba , Cra 6 N° 76-103, Montería , Colombia
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37
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Li Y, Zhang X, Yang R, Li G, Hu C. The role of H3PO4in the preparation of activated carbon from NaOH-treated rice husk residue. RSC Adv 2015. [DOI: 10.1039/c5ra04634c] [Citation(s) in RCA: 86] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
H3PO4promoted the decomposition of some species to form CO2and reacted with PBTRHR to form PH3.
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Affiliation(s)
- Yaxin Li
- Key Laboratory of Green Chemistry and Technology
- Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu
| | - Xian Zhang
- Key Laboratory of Green Chemistry and Technology
- Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu
| | - Ruiguang Yang
- Key Laboratory of Green Chemistry and Technology
- Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu
| | - Guiying Li
- Key Laboratory of Green Chemistry and Technology
- Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu
| | - Changwei Hu
- Key Laboratory of Green Chemistry and Technology
- Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu
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38
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Durimel A, Passé-Coutrin N, Jean-Marius C, Gadiou R, Enriquez-Victorero C, Hernández-Valdés D, Jauregui-Haza U, Gaspard S. Role of acidic sites in beta-hexachlorocyclohexane (β-HCH) adsorption by activated carbons: molecular modelling and adsorption–desorption studies. RSC Adv 2015. [DOI: 10.1039/c5ra15702a] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023] Open
Abstract
The role played by acidic groups on the removal of β-HCH from contaminated water by adsorption on activated is shown.
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Affiliation(s)
- A. Durimel
- Laboratoire COVACHIM M2E
- EA 3592 Université des Antilles et de la Guyane
- Guadeloupe
- France
| | - N. Passé-Coutrin
- Laboratoire COVACHIM M2E
- EA 3592 Université des Antilles et de la Guyane
- Guadeloupe
- France
| | - C. Jean-Marius
- Laboratoire COVACHIM M2E
- EA 3592 Université des Antilles et de la Guyane
- Guadeloupe
- France
| | - R. Gadiou
- Institut de Science des Matériaux de Mulhouse
- UMR CNRS 7361
- 68057 Mulhouse Cedex
- France
| | | | | | | | - S. Gaspard
- Laboratoire COVACHIM M2E
- EA 3592 Université des Antilles et de la Guyane
- Guadeloupe
- France
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39
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Alvarez J, Lopez G, Amutio M, Bilbao J, Olazar M. Upgrading the rice husk char obtained by flash pyrolysis for the production of amorphous silica and high quality activated carbon. BIORESOURCE TECHNOLOGY 2014; 170:132-137. [PMID: 25127010 DOI: 10.1016/j.biortech.2014.07.073] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2014] [Revised: 07/18/2014] [Accepted: 07/19/2014] [Indexed: 05/28/2023]
Abstract
The overall valorization of rice husk char obtained by flash pyrolysis in a conical spouted bed reactor (CSBR) has been studied in a two-step process. Thus, silica has been recovered in a first step and the remaining carbon material has been subjected to steam activation. The char samples used in this study have been obtained by continuous flash pyrolysis in a conical spouted bed reactor at 500°C. Extraction with Na2CO3 allows recovering 88% of the silica contained in the rice husk char. Activation of the silica-free rice husk char has been carried out in a fixed bed reactor at 800°C using steam as activating agent. The porous structure of the activated carbons produced includes a combination of micropores and mesopores, with a BET surface area of up to 1365m(2)g(-1) at the end of 15min.
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Affiliation(s)
- Jon Alvarez
- Department of Chemical Engineering, University of the Basque Country UPV/EHU, P.O. Box 644, E48080 Bilbao, Spain
| | - Gartzen Lopez
- Department of Chemical Engineering, University of the Basque Country UPV/EHU, P.O. Box 644, E48080 Bilbao, Spain
| | - Maider Amutio
- Department of Chemical Engineering, University of the Basque Country UPV/EHU, P.O. Box 644, E48080 Bilbao, Spain
| | - Javier Bilbao
- Department of Chemical Engineering, University of the Basque Country UPV/EHU, P.O. Box 644, E48080 Bilbao, Spain
| | - Martin Olazar
- Department of Chemical Engineering, University of the Basque Country UPV/EHU, P.O. Box 644, E48080 Bilbao, Spain.
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40
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Deiana A, Gimenez M, Rómoli S, Sardella M, Sapag K. Batch and Column Studies for the Removal of Lead from Aqueous Solutions Using Activated Carbons from Viticultural Industry Wastes. ADSORPT SCI TECHNOL 2014. [DOI: 10.1260/0263-6174.32.2-3.181] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Affiliation(s)
- A.C. Deiana
- Instituto de Ingeniería Química, Facultad de Ingeniería, Universidad Nacional de San Juan, Avenida Libertador San Martín 1109 (Oeste) 5400 San Juan, República Argentina
| | - M.G. Gimenez
- Instituto de Ingeniería Química, Facultad de Ingeniería, Universidad Nacional de San Juan, Avenida Libertador San Martín 1109 (Oeste) 5400 San Juan, República Argentina
| | - S. Rómoli
- Instituto de Ingeniería Química, Facultad de Ingeniería, Universidad Nacional de San Juan, Avenida Libertador San Martín 1109 (Oeste) 5400 San Juan, República Argentina
| | - M.F. Sardella
- Instituto de Ingeniería Química, Facultad de Ingeniería, Universidad Nacional de San Juan, Avenida Libertador San Martín 1109 (Oeste) 5400 San Juan, República Argentina
| | - K. Sapag
- Instituto de Física Aplicada, Universidad Nacional de San Luis-CONICET, Avenida Ejército de los Andes, 950 (5700) San Luis, República Argentina
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41
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Coteţ LC, Măicăneanu A, Forţ CI, Danciu V. Alpha-Cypermethrin Pesticide Adsorption on Carbon Aerogel and Xerogel. SEP SCI TECHNOL 2013. [DOI: 10.1080/01496395.2013.805782] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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42
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Araújo BR, Reis JOM, Rezende EIP, Mangrich AS, Wisniewski A, Dick DP, Romão LPC. Application of termite nest for adsorption of Cr(VI). JOURNAL OF ENVIRONMENTAL MANAGEMENT 2013; 129:216-223. [PMID: 23954388 DOI: 10.1016/j.jenvman.2013.07.004] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2012] [Revised: 06/26/2013] [Accepted: 07/06/2013] [Indexed: 06/02/2023]
Abstract
This work proposes the use of tree termite nest as an adsorbent for the reduction/removal of Cr(VI) present in aqueous solution. In laboratory experiments, adsorption of Cr(VI) was sensitive to pH in the range investigated (2-5), with maximum adsorption capacity achieved at pH 2 (3.70 ± 0.04 mg g(-1), representing 93.2% removal of Cr). The termite nest was characterized by off-line pyrolysis GC/MS (py-GC/MS), infrared spectroscopy (FTIR), and electron paramagnetic resonance spectroscopy (EPR). Pyrolysis of the adsorbent produced a complex mixture of aromatic compounds, including the guaiacyl and syringilic derivatives that are characteristic of lignocellulosic materials. Infrared spectroscopy revealed deprotonation of the carboxylic acid group of the biomass with increasing pH, which was associated with a decrease in the capacity for adsorption of Cr(VI). The EPR g-factor for the termite nest samples varied between 2.0037 and 2.0038, indicating the presence of organic free radicals that were responsible for the redox reaction. A second line with g-factor values of 1.9790, only observed for the samples after contact with Cr(VI) solutions at different pH values, was assigned to Cr(III)-Cr(III) exchange coupled pairs, which explained the capacity of the adsorbent to retain a large portion of the Cr(III) ions produced after reduction of Cr(VI) to Cr(III). Fixed-bed column experiments showed that the termite nest had a maximum adsorption capacity of 18.60 mg Cr g(-1), an adsorption efficiency varying between 60.8 and 97.4%, and a desorption efficiency varying between 54.5 and 91.4%, for three successive cycles. The adsorbent presented excellent performance in the removal of chromium under acidic conditions, with the advantage that it could be regenerated and reused.
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Affiliation(s)
- B R Araújo
- Departamento de Química, Universidade Federal de Sergipe, 49100-000 São Cristóvão, SE, Brazil
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43
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Naushad M, ALOthman Z, Khan M. Removal of malathion from aqueous solution using De-Acidite FF-IP resin and determination by UPLC–MS/MS: Equilibrium, kinetics and thermodynamics studies. Talanta 2013; 115:15-23. [DOI: 10.1016/j.talanta.2013.04.015] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2013] [Revised: 04/02/2013] [Accepted: 04/07/2013] [Indexed: 10/27/2022]
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44
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Suo L, Sun X, Jiang W. Effect of pretreatment on biomass residue structure and the application of pyrolysed and composted biomass residues in soilless culture. PLoS One 2013; 8:e64550. [PMID: 23704995 PMCID: PMC3660342 DOI: 10.1371/journal.pone.0064550] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2012] [Accepted: 04/16/2013] [Indexed: 11/25/2022] Open
Abstract
The changes in the structural characteristics of biomass residues during pyrolysis and composting were investigated. The biomass residues particles were prepared by pyrolysing at temperatures ranging from 350 to 400. For soilless production of the ornamental plant Anthurium andraeanum, pure sphagnum peat moss (P) has traditionally been used as the growing medium. This use of P must be reduced, however, because P is an expensive and nonrenewable resource. The current study investigated the use of biomass residues as substitutes for P in A. andraeanum production. Plants were grown for 15 months in 10 soilless media that contained different proportions of pyrolysed corn cobs (PC), composted corn cobs (C), pyrolysed garden wastes (PG), and P. Although the media altered the plant nutrient content, A. andraeanum growth, development, and yield were similar with media consisting of 50% P+50% PC, 50% P+35% PC+15% PG, and 100% P. This finding indicates that, when pyrolysed, organic wastes, which are otherwise an environmental problem, can be used to reduce the requirement for peat in the soilless culture of A. andraeanum.
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Affiliation(s)
- Linna Suo
- College of Soil and Water Conservation, Beijing Forestry University, Beijing, P.R. China
- The Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing, P.R. China
| | - Xiangyang Sun
- College of Soil and Water Conservation, Beijing Forestry University, Beijing, P.R. China
- * E-mail: (XS); (WJ)
| | - Weijie Jiang
- The Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing, P.R. China
- * E-mail: (XS); (WJ)
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45
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El Hanandeh A. Carbon abatement via treating the solid waste from the Australian olive industry in mobile pyrolysis units: LCA with uncertainty analysis. WASTE MANAGEMENT & RESEARCH : THE JOURNAL OF THE INTERNATIONAL SOLID WASTES AND PUBLIC CLEANSING ASSOCIATION, ISWA 2013; 31:341-352. [PMID: 23129610 DOI: 10.1177/0734242x12465317] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
The olive oil industry in Australia has been growing at a rapid rate over the past decade. It is forecast to continue growing due to the steady increase in demand for olive oil and olive products in the local and regional market. However, the olive oil extraction process generates large amounts of solid waste called olive husk which is currently underutilized. This paper uses life-cycle methodology to analyse the carbon emission reduction potential of utilizing olive husk as a feedstock in a mobile pyrolysis unit. Four scenarios, based on different combinations of pyrolysis technologies (slow versus fast) and end-use of products (land application versus energy utilization), are constructed. The performance of each scenario under conditions of uncertainty was also investigated. The results show that all scenarios result in significant carbon emission abatement. Processing olive husk in mobile fast pyrolysis units and the utilization of bio-oil and biochar as substitutes for heavy fuel oil and coal is likely to realize a carbon offset greater than 32.3 Gg CO2-eq annually in 90% of the time. Likewise, more than 3.2 Gg-C (11.8 Gg CO2-eq) per year could be sequestered in the soil in the form of fixed carbon if slow mobile pyrolysis units were used to produce biochar.
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Affiliation(s)
- Ali El Hanandeh
- Griffith School of Engineering, Griffith University, Nathan, Australia.
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46
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Wang Y, Wang L, Fang G, Herath HMSK, Wang Y, Cang L, Xie Z, Zhou D. Enhanced PCBs sorption on biochars as affected by environmental factors: Humic acid and metal cations. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2013; 172:86-93. [PMID: 23000828 DOI: 10.1016/j.envpol.2012.08.007] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/21/2012] [Revised: 08/13/2012] [Accepted: 08/17/2012] [Indexed: 06/01/2023]
Abstract
Biochar plays an important role in the behaviors of organic pollutants in the soil environment. The role of humic acid (HA) and metal cations on the adsorption affinity of polychlorinated biphenyls (PCBs) to the biochars in an aqueous medium and an extracted solution from a PCBs-contaminated soil was studied using batch experiments. Biochars were produced with pine needles and wheat straw at 350 °C and 550 °C under anaerobic condition. The results showed that the biochars had high adsorption affinity for PCBs. Pine needle chars adsorbed less nonplanar PCBs than planar ones due to dispersive interactions and separation. Coexistence of HA and metal cations increased PCBs sorption on the biochars accounted for HA adsorption and cation complexation. The results will aid in a better understanding of biochar sorption mechanism of contaminants in the environment.
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Affiliation(s)
- Yu Wang
- Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences, 71st East Beijing Road, Nanjing 210008, China
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47
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Amorim CC, Bottrel SEC, Costa EP, Teixeira APC, Leão MMD. Removal of ethylenthiourea and 1,2,4-triazole pesticide metabolites from water by adsorption in commercial activated carbons. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART. B, PESTICIDES, FOOD CONTAMINANTS, AND AGRICULTURAL WASTES 2013; 48:183-190. [PMID: 23356339 DOI: 10.1080/03601234.2013.730287] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
This study evaluated the adsorption capacity of ethylenthiourea (ETU) and 1H-1,2,4-triazole (1,2,4-T) for two commercial activated carbons: charcoal-powdered activated carbon (CPAC) and bovine bone-powdered activated carbon (BPAC). The tests were conducted at a bench scale, with ETU and 1,2,4-T diluted in water, for isotherm and adsorption kinetic studies. The removal of the compounds was accompanied by a total organic carbon (TOC) analysis and ultraviolet (UV) reduction analysis. The coals were characterized by their surface area using nitrogen adsorption/desorption, by a scanning electron microscopy and energy-dispersive X-ray spectroscopy (SEM/EDS) and by a zero charge point analysis (pHpcz). The results showed that adsorption kinetics followed a pseudo-second-order model for both coals, and the adsorption isotherms for CPAC and BPAC were adjusted to the Langmuir and Freundlich isotherms, respectively. The CPAC removed approximately 77% of the ETU and 76% of the 1,2,4-T. The BPAC was ineffective at removing the contaminants.
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Affiliation(s)
- Camila C Amorim
- Department of Sanitary and Environmental Engineering, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil.
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48
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Skoulou V, Zabaniotou A. Fe catalysis for lignocellulosic biomass conversion to fuels and materials via thermochemical processes. Catal Today 2012. [DOI: 10.1016/j.cattod.2012.03.035] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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49
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Zhao P, Jiang H, Jiang T, Zhi Z, Wu C, Sun C, Zhang J, Wang S. Inclusion of celecoxib into fibrous ordered mesoporous carbon for enhanced oral bioavailability and reduced gastric irritancy. Eur J Pharm Sci 2012; 45:639-47. [PMID: 22251657 DOI: 10.1016/j.ejps.2012.01.003] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2011] [Revised: 12/12/2011] [Accepted: 01/04/2012] [Indexed: 11/18/2022]
Abstract
Fibrous ordered mesoporous carbon (FOMC) was developed as a new drug delivery system for loading an insoluble drug, designed to be orally administered, and then to enhance the drug loading capacity, improve the dissolution rate, enhance the oral bioavailability and reduce the gastric damage. Celecoxib (CEL) was chosen as a model drug. The nanostructures and effect of different pore sizes (4.4-7.0 nm) on drug loading and release properties were studied. The results showed that FOMC has a high drug loading capacity (0.599 g/g, drug weight/carrier weight) and the dissolution rate of CEL from FOMC was much faster than pure crystalline CEL using buffer (pH 6.8) as a dissolution medium. Moreover, the oral bioavailability of CEL loaded into FOMC was significantly improved compared with that of CEL capsules and the gastric damage caused by CEL which was loaded in FOMC was also reduced, demonstrating the protective effect of FOMC.
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Affiliation(s)
- Peng Zhao
- Department of Pharmaceutics, Shenyang Pharmaceutical University, PO Box 23, 103 Wenhua Road, Shenhe District, Shenyang, Liaoning Province 110016, PR China
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50
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Lian F, Xing B, Zhu L. Comparative study on composition, structure, and adsorption behavior of activated carbons derived from different synthetic waste polymers. J Colloid Interface Sci 2011; 360:725-30. [DOI: 10.1016/j.jcis.2011.04.103] [Citation(s) in RCA: 60] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2011] [Accepted: 04/28/2011] [Indexed: 11/27/2022]
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