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Khajvand M, Drogui P, Arab H, Tyagi RD, Brien E. Hybrid process combining ultrafiltration and electro-oxidation for COD and nonylphenol ethoxylate removal from industrial laundry wastewater. CHEMOSPHERE 2024; 363:142931. [PMID: 39053780 DOI: 10.1016/j.chemosphere.2024.142931] [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: 03/19/2024] [Revised: 07/10/2024] [Accepted: 07/22/2024] [Indexed: 07/27/2024]
Abstract
Laundry wastewater is a significant source of nonylphenol ethoxylate (NPEO) at wastewater treatment plants, where its breakdown forms persistent nonylphenol (NP). NP poses risks as an endocrine disruptor in wildlife and humans. This study investigates the degradation of NPEO and COD in industrial laundry wastewater (LWW) using a two-stage process combining ultrafiltration (UF) and electro-oxidation (EO). UF was used to remove suspended solids, while soluble COD (COD0 = 239 ± 6 mg.L-1) and NPEO (NPEO0 = 341 ± 8 μg.L-1) were oxidized by the EO process. Different operating parameters were studied such as current density, electrolysis time, type of cathode and supporting electrolyte concentration. Using an experimental design methodology, the optimal conditions for COD and NPEO3-17 degradation were recorded. This included achieving 97% degradation of NPEO3-17 and 61% degradation of COD, with a total operating cost of 3.65 USD·m-3. These optimal conditions were recorded at a current density of 15 mA cm-2 for a 120-min reaction period in the presence of 4 g·Na2SO4 L-1 using a graphite cathode. The EO process allowed for reaching the guidelines required for water reuse (NPEO <200 μg.L-1, COD <100 mg.L-1) in the initial laundry washing cycles. Furthermore, our results demonstrate that both NP and NPEO compounds, including higher and shorter ethoxylate chains (NPEO3-17), were effectively degraded during the EO process, with removal efficiencies between 94% and 98%. This confirms the EO process's capability to effectively degrade NP, the by-product of NPEO breakdown.
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Affiliation(s)
- Mahdieh Khajvand
- Institut National de La Recherche Scientifique (INRS), Centre-Eau Terre Environnement (ETE), Université Du Québec, 490 Rue de La Couronne, Québec, G1K 9A9, Canada
| | - Patrick Drogui
- Institut National de La Recherche Scientifique (INRS), Centre-Eau Terre Environnement (ETE), Université Du Québec, 490 Rue de La Couronne, Québec, G1K 9A9, Canada.
| | - Hamed Arab
- Institut National de La Recherche Scientifique (INRS), Centre-Eau Terre Environnement (ETE), Université Du Québec, 490 Rue de La Couronne, Québec, G1K 9A9, Canada
| | - Rajeshwar Dayal Tyagi
- Research Centre for Eco-Environmental Engineering, Dongguan University of Technology, China; BOSK Bioproducts, Québec, Québec, Canada
| | - Emmanuel Brien
- Groupe Veos Inc, 1552 Rue Nationale, Terrebonne, Québec, J6W 6M1, Canada
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Impregnation of Silver Nanoparticles onto Polymers Based on Sugarcane Bagasse for the Remediation of Endocrine Disruptor–Bisphenol A from Water. ADSORPT SCI TECHNOL 2022. [DOI: 10.1155/2022/4997205] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
This present study introduces a contemporary innovation of synthesized polymer–silver nanoparticle nanocomposite adsorbent based on sugarcane bagasse (AgNP-SB-βCD) for the sequestration of emerging micropollutant–bisphenol A from water matrix. Batch adsorption mode was carried out to assess the effectiveness of AgNP-SB-βCD nanocomposites towards eliminating bisphenol A (BPA). Characterization techniques including SEM, FTIR, and XRD have confirmed the successful incorporation of silver nanoparticles (AgNPs) onto bagasse–polymer. At 25°C, pH 7, and contact time of 120 min, the nanocomposites had a maximum uptake capacity of 158.4 mg g-1on BPA. The equilibrium isotherm of BPA on AgNPs-SB-βCD has fitted effectively with Langmuir model while the adsorption kinetics conformed to pseudo-second order. The adsorption phenomenon was controlled mainly by physisorption (via host–guest inclusion van der Waals bonding and pore filling effect). In addition, oxidative degradation of BPA by AgNPs-SB-βCD could marginally contribute the removal of BPA due to oxidative dissolution of AgNPs at pH 7. The thermodynamic results substantiate the spontaneity and exothermic behaviors of the adsorption phenomenon. The polymeric nanocomposite adsorbent was regenerated five times (using 75% ethanol) without considerable loss of its adsorption capacity. This authenticates its reusability and consistency performances; accordingly, it can be a market competitor adsorbent for the treatment of water contaminated with BPA.
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Khajvand M, Mostafazadeh AK, Drogui P, Tyagi RD, Brien E. Greywater characteristics, impacts, treatment, and reclamation using adsorption processes towards the circular economy. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:10966-11003. [PMID: 35001276 DOI: 10.1007/s11356-021-16480-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Accepted: 09/07/2021] [Indexed: 06/14/2023]
Abstract
The gap between water demand and available water supply led to wastewater treatment, particularly greywater. Due to specific characteristics of grey wastewater, treatment and recycling of this type of wastewater capture global attention. This paper presents a literature review of the remediation of greywater by adsorption processes. Besides, the reclamation of the grey wastewater in the context of the circular economy is highlighted. In this regard, the characterization of various types of grey wastewater, the potential risks associated with greywater, and the properties of reclaimed water as per the regulation or guideline are summarized. These standards vary based on the application of reused water and from a country to another country. Furthermore, this review elucidates the adsorption process in terms of the type of adsorbents, modification of adsorbents and their regeneration process, adsorption isotherm, kinetics and thermodynamic of adsorption, and optimization of adsorption system. Finally, the removal of different pollutants from greywater by various adsorbents and techno-economic aspects are illustrated.
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Affiliation(s)
- Mahdieh Khajvand
- Institut National de la Recherche Scientifique (INRS), Centre-Eau Terre Environnement (ETE), Université du Québec, 490 Rue de la Couronne, Québec, G1K 9A9, Canada
| | - Ali Khosravanipour Mostafazadeh
- Institut National de la Recherche Scientifique (INRS), Centre-Eau Terre Environnement (ETE), Université du Québec, 490 Rue de la Couronne, Québec, G1K 9A9, Canada
- Collège de Maisonneuve, Centre d'études des procédés chimiques du Québec (CÉPROCQ), 6220 rue Sherbrooke Est, Montréal, H1N 1C1, Canada
| | - Patrick Drogui
- Institut National de la Recherche Scientifique (INRS), Centre-Eau Terre Environnement (ETE), Université du Québec, 490 Rue de la Couronne, Québec, G1K 9A9, Canada.
| | | | - Emmanuel Brien
- Groupe Veos Inc, 1552 rue Nationale, Terrebonne, Québec, J6W 6M1, Canada
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4
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Jiang L, Liu Y, Meng X, Xian M, Xu C. Adsorption behavior study and mechanism insights into novel isothiocyanate modified material towards Pd2+. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2021.119514] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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5
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Yang D, Gao P, Ren X, Niu Y, Wu Z, Gu Z, Peng H. The role of solvents and oxygen-containing functional groups on the adsorption of Bisphenol A on carbon nanotubes. ENVIRONMENTAL TECHNOLOGY 2021; 42:4260-4268. [PMID: 32249723 DOI: 10.1080/09593330.2020.1752815] [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: 12/16/2019] [Accepted: 03/14/2020] [Indexed: 06/11/2023]
Abstract
The wide application of endocrine disruptors (EDs) has recently created great public concerns because of their toxicities. Previous studies have stated that the effect of oxygen-containing functional groups of carbon nanotubes (CNTs) for Bisphenol A (BPA) sorption, but no study has been quantified the exact contribution of the oxygen-containing functional groups. Moreover, the role of solvents on the adsorption of BPA should be considered. Considering the well properties of CNTs, graphitized (MG), carboxylated (MC) and hydroxylated (MH) multi-walled CNTs were selected as model adsorbents, BPA was used as model adsorbate. Solubility and single point adsorption coefficient (logKd) of BPA were n-hexadecane > water > methanol, suggesting that hydrophobic interaction was the main mechanism for BPA sorption on CNTs. For different functional groups of CNTs, π-π interaction between MH and BPA may be stronger than that of MC, and thus the sorption of BPA on MH was higher than that of MC. Moreover, hydrogen bond resulted in the higher adsorption of BPA on MH when compared with MC. The oxygen-containing functional groups of CNTs played a key role for BPA sorption in methanol because the values of contribution were 20%-45% for -OH and were 5%-25% for -COOH. In n-hexadecane, other factors such as hydrophobic interactions should be considered because the contribution percentages of -OH were ca.15% and the values for -COOH were ca.10%. The results are expected to provide important information on the interaction of EDs and CNTs.
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Affiliation(s)
- Dong Yang
- Faculty of Agriculture and Food, Kunming University of Science & Technology, Kunming, People's Republic of China
| | - Peng Gao
- City College, Kunming University of Science & Technology, Kunming, People's Republic of China
| | - Xin Ren
- Faculty of Agriculture and Food, Kunming University of Science & Technology, Kunming, People's Republic of China
| | - Yifan Niu
- Faculty of Agriculture and Food, Kunming University of Science & Technology, Kunming, People's Republic of China
| | - Zhenfen Wu
- Faculty of Agriculture and Food, Kunming University of Science & Technology, Kunming, People's Republic of China
| | - Zhenggang Gu
- Faculty of Civil Engineering and Mechanics, Kunming University of Science & Technology, Kunming, People's Republic of China
| | - Hongbo Peng
- Faculty of Agriculture and Food, Kunming University of Science & Technology, Kunming, People's Republic of China
- Yunnan Key Lab of Soil Carbon Sequestration and Pollution Control, Kunming, People's Republic of China
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Li F, Cao Y, Hong X, Chen B, Xu M. A facile synthesis of hyper-cross-linked polystyrene resins for phenol removal. REACT FUNCT POLYM 2021. [DOI: 10.1016/j.reactfunctpolym.2021.105018] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Nguyen PD, Le TMT, Vo TKQ, Nguyen PT, Vo TDH, Dang BT, Son NT, Nguyen DD, Bui XT. Submerged membrane filtration process coupled with powdered activated carbon for nonylphenol ethoxylates removal. WATER SCIENCE AND TECHNOLOGY : A JOURNAL OF THE INTERNATIONAL ASSOCIATION ON WATER POLLUTION RESEARCH 2021; 84:1793-1803. [PMID: 34662313 DOI: 10.2166/wst.2021.380] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
A combination of a submerged membrane filtration system and powdered activated carbon (PAC) was investigated for nonylphenol ethoxylates removal. Both filtration flux and initial powdered activated carbon dosage had significant effects on the micropollutants removal efficiency. The best performance was achieved under the filtration flux of 20 L/m2.h and the initial powdered activated carbon of 50 mg/L. The removal efficiencies of nonylphenol ethoxylates was obtained at 75±5% in the first 60 hours, and then decreased at 55±7% and 23±11% in the following hours, respectively. As observed, over 65% of dissolved organic carbon mass adsorbed into powdered activated carbon that was suspended in the bulk phase, and the remainder was adsorbed into powdered activated carbon that deposited on the membrane surface. It reveals that the combination between submerged membrane filtration and PAC could be an effective solution for enhancing removal of micropollutants from water.
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Affiliation(s)
- Phuoc-Dan Nguyen
- Asian Center for Water Research (CARE-RESCIF), Ho Chi Minh City University of Technology (HCMUT), Ho Chi Minh City 700000, Vietnam; Key Laboratory of Advanced Waste Treatment Technology, Ho Chi Minh City University of Technology (HCMUT), Vietnam National University Ho Chi Minh (VNU-HCM), Ho Chi Minh City 700000, Vietnam E-mail:
| | - Thi-Minh-Tam Le
- Asian Center for Water Research (CARE-RESCIF), Ho Chi Minh City University of Technology (HCMUT), Ho Chi Minh City 700000, Vietnam
| | - Thi-Kim-Quyen Vo
- Faculty of Environment - Natural Resources and Climate Change, Ho Chi Minh City University of Food Industry (HUFI), 140 Le Trong Tan street, Tay Thanh ward, Tan Phu district, Ho Chi Minh city 700000, Vietnam
| | - Phuong-Thao Nguyen
- Key Laboratory of Advanced Waste Treatment Technology, Ho Chi Minh City University of Technology (HCMUT), Vietnam National University Ho Chi Minh (VNU-HCM), Ho Chi Minh City 700000, Vietnam E-mail: ; Faculty of Environment and Natural Resources, Ho Chi Minh City University of Technology (HCMUT), Ho Chi Minh City 700000, Vietnam
| | - Thi-Dieu-Hien Vo
- Asian Center for Water Research (CARE-RESCIF), Ho Chi Minh City University of Technology (HCMUT), Ho Chi Minh City 700000, Vietnam; Faculty of Environmental and Food Engineering, Nguyen Tat Thanh University, 300A Nguyen Tat Thanh, District 4, Ho Chi Minh City 700000, Vietnam
| | - Bao-Trong Dang
- Ho Chi Minh City University of Technology (HUTECH) 475A, Dien Bien Phu, Ward 25, Binh Thanh District, Ho Chi Minh City 700000, Vietnam
| | - Nguyen-Thanh Son
- Key Laboratory of Advanced Waste Treatment Technology, Ho Chi Minh City University of Technology (HCMUT), Vietnam National University Ho Chi Minh (VNU-HCM), Ho Chi Minh City 700000, Vietnam E-mail: ; Center for Space and Remote Sensing Research, National Central University, Zhongli District, Taoyuan City, Taiwan
| | - Dinh Duc Nguyen
- Key Laboratory of Advanced Waste Treatment Technology, Ho Chi Minh City University of Technology (HCMUT), Vietnam National University Ho Chi Minh (VNU-HCM), Ho Chi Minh City 700000, Vietnam E-mail: ; Department of Environmental Energy Engineering, Kyonggi University, Suwon 442-760, Republic of Korea
| | - Xuan-Thanh Bui
- Key Laboratory of Advanced Waste Treatment Technology, Ho Chi Minh City University of Technology (HCMUT), Vietnam National University Ho Chi Minh (VNU-HCM), Ho Chi Minh City 700000, Vietnam E-mail: ; Faculty of Environment and Natural Resources, Ho Chi Minh City University of Technology (HCMUT), Ho Chi Minh City 700000, Vietnam
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Wang D, Lou J, Xu J, Yuan J, Wang Q, Wang P, Fan X. Degradation of octylphenol polyethoxylates with a long ethoxylate chain using the laccase-mediated systems. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:37781-37792. [PMID: 33723784 DOI: 10.1007/s11356-021-13400-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Accepted: 03/08/2021] [Indexed: 06/12/2023]
Abstract
Alkylphenol polyethoxylates (APEOn) are the second-largest category of commercial nonionic surfactants, which are difficult to degrade naturally in the environment. This study examined the degradation of octylphenol polyethoxylate (OPEOn) by laccase and its laccase-mediated systems. The results showed that OPEOn was poorly degraded by laccase alone. 2, 2'-azino-bis [3-ethylbenzothiazoline-6-sulphonic acid] (ABTS), 1-hydroxybenzotriazole (HBT), and 2, 2, 6, 6-tetramethylpiperidine-1-oxyl (TEMPO) were selected as the redox mediators. Experimental results also indicated that 52.4% of the initial OPEOn amount was degraded by laccase in the presence of TEMPO. The degradation efficiency was analyzed using high-performance liquid chromatography. Furthermore, the structural characteristics of the degradation products were measured using matrix-assisted laser desorption/ionization-time of flight mass spectrometry and nuclear magnetic resonance spectroscopy, and it could be found that the laccase-TEMPO system could gradually shorten the ethoxylate chain by oxidizing the primary hydroxyl group of OPEOn, thereby degrading the OPEOn of the macromolecule into small molecules. The maximum of the ion peak distributions of OPEOn decreased from n = 8 finally down to 3. The novel enzymatic system introduced by this study will become a promising alternative method for high-efficiency APEOn conversion and had great potential value in wastewater treatment.
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Affiliation(s)
- Dan Wang
- Key Laboratory of Science and Technology of Eco-Textile, Ministry of Education, Jiangnan University, 1800 Lihu AVE, Wuxi, 214122, Jiangsu, China
| | - Jiangfei Lou
- Key Laboratory of Science and Technology of Eco-Textile, Ministry of Education, Jiangnan University, 1800 Lihu AVE, Wuxi, 214122, Jiangsu, China
| | - Jin Xu
- Key Laboratory of Science and Technology of Eco-Textile, Ministry of Education, Jiangnan University, 1800 Lihu AVE, Wuxi, 214122, Jiangsu, China
| | - Jiugang Yuan
- Key Laboratory of Science and Technology of Eco-Textile, Ministry of Education, Jiangnan University, 1800 Lihu AVE, Wuxi, 214122, Jiangsu, China
| | - Qiang Wang
- Key Laboratory of Science and Technology of Eco-Textile, Ministry of Education, Jiangnan University, 1800 Lihu AVE, Wuxi, 214122, Jiangsu, China
| | - Ping Wang
- Key Laboratory of Science and Technology of Eco-Textile, Ministry of Education, Jiangnan University, 1800 Lihu AVE, Wuxi, 214122, Jiangsu, China
| | - Xuerong Fan
- Key Laboratory of Science and Technology of Eco-Textile, Ministry of Education, Jiangnan University, 1800 Lihu AVE, Wuxi, 214122, Jiangsu, China.
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Wang Z, Wang X, Li X, Zhang H, Wei J, Zhou Y. Effect of structure matching in the adsorption process: The preparation of alkylbenzene-functionalized polypropylene nonwoven using surface modification for adsorbing nonylphenol. REACT FUNCT POLYM 2021. [DOI: 10.1016/j.reactfunctpolym.2021.104874] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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Xiang Y, Yan H, Zheng B, Faheem A, Chen W, Hu Y. E. coli@UiO-67 composites as a recyclable adsorbent for bisphenol A removal. CHEMOSPHERE 2021; 270:128672. [PMID: 33109363 DOI: 10.1016/j.chemosphere.2020.128672] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2020] [Revised: 10/11/2020] [Accepted: 10/16/2020] [Indexed: 06/11/2023]
Abstract
E. coli@UiO-67 composites were obtained using an effective and simple self-assembly method. The composites showed unique properties as a remarkable and recyclable adsorbent for the efficient removal of bisphenol A (BPA) from water with a high adsorption capacity (402.930 mg g-1). The increase in pore size is a key factor why E. coli@UiO-67 composites maintained high capacity. The reason might be due to that the composites with large pore sizes and defects could effectively improve mass transport and active molecular metal sites. The adsorption of BPA is a chemisorption process due to the Zr-OH groups in UiO-67 exhibit affinity toward BPA molecules, π-π interaction, and electrostatic attraction. The adsorption efficiency remained at 82.5% after 15 cycles without any remarkable changes in the PXRD patterns of E. coli@UiO-67. Moreover, the use of microorganism-loading MOFs could reduce the cost to at least 50% and minimize secondary pollution through nanoscale MOFs usage reduction. The developed composites have advantages, including low-cost, high adsorption capacity, easy to be separated and regenerated from aqueous solution, a large number of cycles, short adsorption equilibrium time, and stability, showing excellent application prospects. The presented strategy would be a potentially promising way to produce novel MOFs-based adsorbents with high-performance to control environmental pollution from wastewater.
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Affiliation(s)
- Yuqiang Xiang
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, 430070, China; College of Life Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China
| | - Huaduo Yan
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, 430070, China; College of Life Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China
| | - Bingjie Zheng
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, 430070, China; College of Life Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China
| | - Aroosha Faheem
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, 430070, China; College of Life Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China
| | - Wenli Chen
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, 430070, China; College of Life Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China.
| | - Yonggang Hu
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, 430070, China; College of Life Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China.
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Hayoun B, Bourouina-Bacha S, Pazos M, Sanromán MA, Benkhennouche-Bouchene H, Deflaoui O, Hamaidi-Maouche N, Bourouina M. Production of modified sunflowers seed shells for the removal of bisphenol A. RSC Adv 2021; 11:3516-3533. [PMID: 35424307 PMCID: PMC8694028 DOI: 10.1039/d0ra09137e] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Accepted: 01/04/2021] [Indexed: 12/07/2022] Open
Abstract
In this present study, an abundant, available lignocellulosic biomass, sunflower seed shells, SSS, was used as a precursor to prepare an effective eco-adsorbent by treatment with H2SO4. A study of the surface characteristics of raw and acid-treated SSS (ACS) has shown that the addition of H2SO4 greatly affected the physicochemical properties of the obtained eco-adsorbent, improving the BET surface area from 6.106 to 27.145 m2 g-1 and surface oxygen-rich functional groups. Batch experiments were performed to assess the removal efficiency of a phenolic compound, bisphenol A (BPA), on the adsorbents. Several parameters were evaluated and are discussed (contact time, pollutant concentration, adsorbent dosage, and pH), determining that the adsorption efficiency of BPA onto SSS was notably improved, from 20.56% to 87.81% when a sulfuric acid solution was used. Different canonical and stochastic isotherm models were evaluated to predict the experimental behaviour. A dynamic study was performed based on the models of reaction kinetics and those of mass transfer. The results showed that the adsorption kinetics of BPA obey the fractal like-kinetic model of Hill for all experimental conditions. The equilibrium data are well suited to the Hill-Sips isotherm model with a determination coefficient >0.999. The kinetic modelling also indicates that the adsorption processes of BPA onto ACS are exothermic and proceed through a physical mechanism. A mass transfer study, using simplified models, proved that the process is controlled by intraparticle and film resistances to mass transfer of the BPA.
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Affiliation(s)
- Bahdja Hayoun
- Department of Chemistry, Faculty of Exact Sciences, University of Bejaia Bejaia 06000 Algeria
- CINTECX-Universidade de Vigo, Department of Chemical Engineering Campus As Lagoas-Marcosende, University of Vigo 36310 Vigo Spain
| | - Saliha Bourouina-Bacha
- Department of Process Engineering, Faculty of Technology, University of Bejaia Bejaia 06000 Algeria
| | - Marta Pazos
- CINTECX-Universidade de Vigo, Department of Chemical Engineering Campus As Lagoas-Marcosende, University of Vigo 36310 Vigo Spain
| | - Ma Angeles Sanromán
- CINTECX-Universidade de Vigo, Department of Chemical Engineering Campus As Lagoas-Marcosende, University of Vigo 36310 Vigo Spain
| | | | - Ourida Deflaoui
- Department of Process Engineering, Faculty of Technology, University of Bejaia Bejaia 06000 Algeria
| | - Nassima Hamaidi-Maouche
- Department of Process Engineering, Faculty of Technology, University of Bejaia Bejaia 06000 Algeria
| | - Mustapha Bourouina
- Department of Chemistry, Faculty of Exact Sciences, University of Bejaia Bejaia 06000 Algeria
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13
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Wang H, Jiang DB, Gu J, Ouyang L, Zhang YX, Yuan S. Simultaneous Removal of Phenol and Pb2+ from the Mixed Solution by Zwitterionic Poly(sulfobetaine methacrylate)-Grafted Poly(vinylbenzyl chloride) Microspheres. Ind Eng Chem Res 2020. [DOI: 10.1021/acs.iecr.9b06171] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Hanzhi Wang
- Low-carbon Technology & Chemical Reaction Engineering Lab, College of Chemical Engineering, Sichuan University, Chengdu 610065, China
| | - De-Bin Jiang
- Low-carbon Technology & Chemical Reaction Engineering Lab, College of Chemical Engineering, Sichuan University, Chengdu 610065, China
- State Key Laboratory of Mechanical Transmissions, College of Materials Science and Engineering, Chongqing University, Chongqing 400044, China
| | - Juntao Gu
- Low-carbon Technology & Chemical Reaction Engineering Lab, College of Chemical Engineering, Sichuan University, Chengdu 610065, China
| | - Like Ouyang
- Low-carbon Technology & Chemical Reaction Engineering Lab, College of Chemical Engineering, Sichuan University, Chengdu 610065, China
| | - Yu-Xin Zhang
- State Key Laboratory of Mechanical Transmissions, College of Materials Science and Engineering, Chongqing University, Chongqing 400044, China
| | - Shaojun Yuan
- Low-carbon Technology & Chemical Reaction Engineering Lab, College of Chemical Engineering, Sichuan University, Chengdu 610065, China
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Jiménez-González A, Ramírez-Vargas R, Gomez-Valadez A, Gutiérrez-Rojas M, Monroy-Hermosillo O, Medina-Moreno SA. Sorption and inhibitory effect of octylphenol ethoxylate Triton X-100 on methanogenic and denitrifying granular sludges. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2019; 236:309-316. [PMID: 30738301 DOI: 10.1016/j.jenvman.2019.02.004] [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: 09/29/2018] [Revised: 01/16/2019] [Accepted: 02/01/2019] [Indexed: 06/09/2023]
Abstract
The aims of this work were to characterize the sorption and evaluate the inhibitory effect of octylphenol ethoxylate Triton X-100 (OPEOTx) on methanogenic and denitrifying sludges. According to Langmuir isotherm, maximums OPEOTx sorption values on methanogenic and denitrifying sludges were 60.70 mg (gVSS)-1 and 87.47 mg (gVSS)-1 respectively. The specific removal rate of chemical oxygen demand (rCOD) and the accumulated volume biogas (VBG) were used to evaluate the OPEOTx inhibitory effect on sludges. Experimental inhibition data were fitted to the models of non-competitive inhibition and modified Gompertz. Methanogenic sludges reached higher levels inhibition in the rCOD and biogas production potential Pmax (84.0 and 88.5%) comparing with denitrifying sludges (24.3 and 21.9%). Furthermore, in all OPEOTx concentrations, carbohydrates-proteins quotient value of the extracellular polymeric substances for the denitrifying sludges remained below respect to the same quotient in methanogenic sludges. The above contributes in part to explain the greater sorption capacity of the denitrifying sludges by OPEOTx and their granules resistance to be damaged by OPEOTx amphiphilic nature. The study gives insights to understand OPEOs interactions and their effects on methanogenic and denitrifying granular sludges.
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Affiliation(s)
- A Jiménez-González
- Universidad Politécnica de Pachuca, Carretera Pachuca -Cd. Sahagún, Km 20, Ex-Hacienda de Santa Bárbara, Municipio de Zempoala, Hidalgo, Mexico
| | - R Ramírez-Vargas
- Universidad Politécnica de Pachuca, Carretera Pachuca -Cd. Sahagún, Km 20, Ex-Hacienda de Santa Bárbara, Municipio de Zempoala, Hidalgo, Mexico
| | - A Gomez-Valadez
- Universidad Politécnica de Pachuca, Carretera Pachuca -Cd. Sahagún, Km 20, Ex-Hacienda de Santa Bárbara, Municipio de Zempoala, Hidalgo, Mexico
| | - M Gutiérrez-Rojas
- Universidad Autónoma Metropolitana-Iztapalapa, Departamento de Biotecnología, Av. San Rafael Atlixco No. 186, Col. Vicentina, Iztapalapa, México D.F., C.P. 09340, Mexico
| | - O Monroy-Hermosillo
- Universidad Autónoma Metropolitana-Iztapalapa, Departamento de Biotecnología, Av. San Rafael Atlixco No. 186, Col. Vicentina, Iztapalapa, México D.F., C.P. 09340, Mexico
| | - S A Medina-Moreno
- Universidad Politécnica de Pachuca, Carretera Pachuca -Cd. Sahagún, Km 20, Ex-Hacienda de Santa Bárbara, Municipio de Zempoala, Hidalgo, Mexico.
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15
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Yin C, Xu C, Yu W, Jia Y, Sun W, Zhou G, Xian M. Synthesis of a novel isatin and ethylenediamine modified resin and effective adsorption behavior towards Orange G. RSC Adv 2019; 9:801-809. [PMID: 35517613 PMCID: PMC9059542 DOI: 10.1039/c8ra07253a] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2018] [Accepted: 12/20/2018] [Indexed: 01/01/2023] Open
Abstract
In this study, a novel crosslinked resin 135-I-EDA modified by isatin and ethylenediamine was synthesized through two continuous functionalization steps using chloromethylated styrene-divinylbenzene copolymer as the substrate. In the first step, the cross-linking reaction and isatin incorporation were realized in a creative one-pot reaction using Friedel-crafts reaction in the presence of isatin to give resin 135-I; in the second step, ethylenediamine was successfully introduced on the carbonyl of the modified isatin to further increase the chemically interacting sites. The double-modified resin 135-I-EDA displayed the best adsorption performance (113.38 mg g-1) towards Orange G, which is 1.99 times and 3.49 times as much as that of 135-I (56.94 mg g-1) and commercial resin H-103 (32.51 mg g-1) respectively. This is attributed to its superior porous structure formed in the Friedel-crafts reaction and multiple modified groups in isatin and ethylenediamine. π-π conjugation and hydrogen bonding are the main driving forces for the adsorption. The pseudo-second-order rate equation characterizes the adsorption kinetic curves well and 135-I-EDA displayed the fastest adsorption rate. The study also proved that the 135-I-EDA has a better adsorption capacity for OG in more acidic solution, at higher temperature and higher salinity, which provides a basis for the treatment of industrial dye wastewater.
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Affiliation(s)
- Chai Yin
- Qingdao University of Science & Technology Qingdao 266042 China +86-532-84022517
- Key Laboratory of Biobased Materials, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences Qingdao 266101 China +86-135-83270481
| | - Chao Xu
- Qingdao University of Science & Technology Qingdao 266042 China +86-532-84022517
- Key Laboratory of Biobased Materials, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences Qingdao 266101 China +86-135-83270481
| | - Wenhao Yu
- Qingdao University of Science & Technology Qingdao 266042 China +86-532-84022517
| | - Yuxiang Jia
- Key Laboratory of Biobased Materials, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences Qingdao 266101 China +86-135-83270481
| | - Weizhi Sun
- Key Laboratory of Biobased Materials, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences Qingdao 266101 China +86-135-83270481
| | - Guizhong Zhou
- Qingdao University of Science & Technology Qingdao 266042 China +86-532-84022517
| | - Mo Xian
- Key Laboratory of Biobased Materials, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences Qingdao 266101 China +86-135-83270481
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16
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Li Q, Pan F, Li W, Li D, Xu H, Xia D, Li A. Enhanced Adsorption of Bisphenol A from Aqueous Solution with 2-Vinylpyridine Functionalized Magnetic Nanoparticles. Polymers (Basel) 2018; 10:polym10101136. [PMID: 30961062 PMCID: PMC6403956 DOI: 10.3390/polym10101136] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2018] [Revised: 10/02/2018] [Accepted: 10/10/2018] [Indexed: 01/14/2023] Open
Abstract
In this study, a novel 2-vinylpyridine functionalized magnetic nanoparticle (Mag-PVP) was successfully prepared. The prepared Mag-PVP was characterized by transmission electronic microscopy (TEM), Fourier transform infrared spectrophotometry (FT-IR), vibrating sample magnetometry (VSM) and thermogravimetric analysis (TGA), and was used for the adsorption of bisphenol A (BPA) from aqueous solutions. Mag-PVP, which is composed of Fe3O4 nanoparticles and poly divinylbenzene-2-vinylpyridine (with a thickness of 10 nm), exhibited magnetic properties (Ms = 44.6 emu/g) and thermal stability. The maximum adsorption capacity (Qm) of Mag-PVP for BPA obtained from the Langmuir isotherm was 115.87 mg/g at 20 °C, which was more than that of Fe3O4 nanospheres. In the presence of NaCl, the improved adsorption capacity of Mag-PVP was probably attributed to the screening effect of Mag-PVP surface charge and salting-out effect. In the presence of CaCl2 and humic acid (HA), the adsorption capacity of BPA decreased due to competitive adsorption. The adsorption of BPA by Mag-PVP increased slightly with the increase in pH from 3.0 to 5.0 and obtained the largest adsorption amount at pH 5.0, which was probably attributed to hydrogen bonding interactions. Moreover, in actual water, Mag-PVP still showed excellent adsorption performance in removing BPA. The high adsorption capacity and excellent reusability performance in this work indicated that Mag-PVP was an effective adsorbent for removing BPA from aqueous solutions.
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Affiliation(s)
- Qiang Li
- School of Environmental Engineering, Wuhan Textile University, Wuhan 430073, China.
- Engineering Research Center for Clean Production of Textile Dyeing and Printing, Ministry of Education, Wuhan 430073, China.
- State Key Laboratory of Pollution Control and Resources Reuse, School of the Environment, Nanjing University, Nanjing 210023, China.
| | - Fei Pan
- School of Environmental Engineering, Wuhan Textile University, Wuhan 430073, China.
| | - Wentao Li
- State Key Laboratory of Pollution Control and Resources Reuse, School of the Environment, Nanjing University, Nanjing 210023, China.
| | - Dongya Li
- School of Environmental Engineering, Wuhan Textile University, Wuhan 430073, China.
| | - Haiming Xu
- School of Environmental Engineering, Wuhan Textile University, Wuhan 430073, China.
| | - Dongsheng Xia
- School of Environmental Engineering, Wuhan Textile University, Wuhan 430073, China.
- Engineering Research Center for Clean Production of Textile Dyeing and Printing, Ministry of Education, Wuhan 430073, China.
| | - Aimin Li
- State Key Laboratory of Pollution Control and Resources Reuse, School of the Environment, Nanjing University, Nanjing 210023, China.
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17
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18
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Azizian S, Eris S, Wilson LD. Re-evaluation of the century-old Langmuir isotherm for modeling adsorption phenomena in solution. Chem Phys 2018. [DOI: 10.1016/j.chemphys.2018.06.022] [Citation(s) in RCA: 95] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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19
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Patiño Y, Díaz E, Lobo-Castañón MJ, Ordóñez S. Carbon nanotube modified glassy carbon electrode for electrochemical oxidation of alkylphenol ethoxylate. WATER SCIENCE AND TECHNOLOGY : A JOURNAL OF THE INTERNATIONAL ASSOCIATION ON WATER POLLUTION RESEARCH 2018; 77:2436-2444. [PMID: 29893732 DOI: 10.2166/wst.2018.196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Electrochemical oxidation of an emerging pollutant, 2-(4-methylphenoxy)ethanol (MPET), from water has been studied by cyclic voltammetry (CV). Multiwall carbon nanotubes glassy carbon electrodes (MWCNT-GCE) were used as working electrode due to their extraordinary properties. The oxidation process is irreversible, since no reduction peaks were observed in the reverse scan. The electrocatalytic effect of MWCNT was confirmed as the oxidation peak intensity increases in comparison to bare-GCE. The effect of functional groups on MWCNT was also studied by MWCNT functionalized with NH2 (MWCNT-NH2) and COOH (MWCNT-COOH) groups. The oxidation peak current decreases in the following order: MWCNT > MWCNT-NH2 > MWCNT-COOH. Taking into account the normalized peak current, MWCNT-NH2 exhibits the best results due to its strong interaction with MPET. Under optimal conditions (pH = 5.0 and volume of MWCNT = 10 μL), degradation was studied for MWCNT-GCE and MWCNT-NH2-GCE. A complete MPET removal was observed using MWCNT-GCE after four CV cycles, for a volume/area (V/A) ratio equal to 19. In the case of MWCNT-NH2-GCE, the maximum MPET removal was close to 90% for V/A = 37, higher than that obtained for MWCNT-GCE at the same conditions (≈80%). In both cases, no organic by-products were detected.
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Affiliation(s)
- Yolanda Patiño
- Department of Chemical and Environmental Engineering, University of Oviedo, Faculty of Chemistry, Julián Clavería s/n, Oviedo 33006, Spain
| | - Eva Díaz
- Department of Chemical and Environmental Engineering, University of Oviedo, Faculty of Chemistry, Julián Clavería s/n, Oviedo 33006, Spain
| | - María Jesús Lobo-Castañón
- Department of Physical and Analytical Chemistry, University of Oviedo, Faculty of Chemistry, Julián Clavería s/n, Oviedo 33006, Spain
| | - Salvador Ordóñez
- Department of Chemical and Environmental Engineering, University of Oviedo, Faculty of Chemistry, Julián Clavería s/n, Oviedo 33006, Spain
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20
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Li Y, Zhu N, Li B, Chen T, Ma Y, Li Q. l-
Cysteine-modified silver-functionalized silica-based material as an efficient solid-phase extraction adsorbent for the determination of bisphenol A. J Sep Sci 2017; 41:982-989. [DOI: 10.1002/jssc.201700817] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Yuanyuan Li
- State Key Laboratory of High-efficiency Coal Utilization and Green Chemical Engineering, Ningxia University,; Yinchuan China
- College of Chemistry and Chemical Engineering; Ningxia University; Yinchuan China
| | - Nan Zhu
- State Key Laboratory of High-efficiency Coal Utilization and Green Chemical Engineering, Ningxia University,; Yinchuan China
- College of Chemistry and Chemical Engineering; Ningxia University; Yinchuan China
| | - Bingxiang Li
- Zhenjiang Entry-exit Inspection and Quarantine Bureau; Zhenjiang China
| | - Tong Chen
- Zhenjiang Entry-exit Inspection and Quarantine Bureau; Zhenjiang China
| | - Yulong Ma
- State Key Laboratory of High-efficiency Coal Utilization and Green Chemical Engineering, Ningxia University,; Yinchuan China
- College of Chemistry and Chemical Engineering; Ningxia University; Yinchuan China
| | - Qiang Li
- State Key Laboratory of High-efficiency Coal Utilization and Green Chemical Engineering, Ningxia University,; Yinchuan China
- College of Chemistry and Chemical Engineering; Ningxia University; Yinchuan China
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21
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Wang X, Li H, Huang J. Adsorption of p-chlorophenol on three amino-modified hyper-cross-linked resins. J Colloid Interface Sci 2017. [DOI: 10.1016/j.jcis.2017.06.053] [Citation(s) in RCA: 49] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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22
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Priac A, Morin-Crini N, Druart C, Gavoille S, Bradu C, Lagarrigue C, Torri G, Winterton P, Crini G. Alkylphenol and alkylphenol polyethoxylates in water and wastewater: A review of options for their elimination. ARAB J CHEM 2017. [DOI: 10.1016/j.arabjc.2014.05.011] [Citation(s) in RCA: 109] [Impact Index Per Article: 15.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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23
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Li X, Liu Y, Liu Y, Di D. Acetylaniline modified hypercrosslinked polystyrene resins and their equilibria and kinetics towards glabridin from Glycyrrhiza glabra L. extracts. Colloids Surf A Physicochem Eng Asp 2016. [DOI: 10.1016/j.colsurfa.2016.09.067] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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24
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Patiño Y, Díaz E, Ordóñez S, Gallegos-Suarez E, Guerrero-Ruiz A, Rodríguez-Ramos I. Adsorption of emerging pollutants on functionalized multiwall carbon nanotubes. CHEMOSPHERE 2015; 136:174-180. [PMID: 25989605 DOI: 10.1016/j.chemosphere.2015.04.089] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2014] [Revised: 03/04/2015] [Accepted: 04/19/2015] [Indexed: 06/04/2023]
Abstract
Adsorption of three representative emerging pollutants - 1,8-dichlorooctane, nalidixic acid and 2-(4-methylphenoxy)ethanol- on different carbon nanotubes was studied in order to determine the influence of the morphological and chemical properties of the materials on their adsorption properties. As adsorbents, multiwall carbon nanotubes (MWCNTs) without functionalization and with oxygen or nitrogen surface groups, as well as carbon nanotubes doped with nitrogen were used. The adsorption was studied in aqueous phase using batch adsorption experiments, results being fitted to both Langmuir and Freundlich models. The adsorption capacity is strongly dependent on both the hydrophobicity of the adsorbates and the morphology of the adsorbents. Thermodynamic parameters were determined observing strong interactions between the aromatic rings of the emerging pollutant and the nitrogen modified adsorbents.
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Affiliation(s)
- Yolanda Patiño
- Department of Chemical and Environmental Engineering, University of Oviedo, Faculty of Chemistry, Julián Clavería s/n, 33006 Oviedo, Spain
| | - Eva Díaz
- Department of Chemical and Environmental Engineering, University of Oviedo, Faculty of Chemistry, Julián Clavería s/n, 33006 Oviedo, Spain
| | - Salvador Ordóñez
- Department of Chemical and Environmental Engineering, University of Oviedo, Faculty of Chemistry, Julián Clavería s/n, 33006 Oviedo, Spain.
| | - Esteban Gallegos-Suarez
- Instituto de Catálisis y Petroleoquímica, CSIC, c/Marie Curie No. 2, Cantoblanco, 28049 Madrid, Spain; Dpto. Química Inorgánica y Técnica, Fac. de Ciencias, UNED, C/ Senda del Rey n° 9, 28040 Madrid, Spain
| | - Antonio Guerrero-Ruiz
- Dpto. Química Inorgánica y Técnica, Fac. de Ciencias, UNED, C/ Senda del Rey n° 9, 28040 Madrid, Spain
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Wang X, Patil PD, He C, Huang J, Liu YN. Acetamide-modified hyper-cross-linked resin: Synthesis, characterization, and adsorption performance to phenol from aqueous solution. J Appl Polym Sci 2014. [DOI: 10.1002/app.41597] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Xiaomei Wang
- College of Chemistry and Chemical Engineering, Central South University; Changsha Hunan 410083 China
- Department of Bioengineering and Environmental Science; Changsha University; Changsha Hunan 410003 China
| | - Prafulla D. Patil
- College of Chemistry and Chemical Engineering, Central South University; Changsha Hunan 410083 China
| | - Chunlian He
- Medicine College, Hunan Normal University; Changsha Hunan 410081 China
| | - Jianhan Huang
- College of Chemistry and Chemical Engineering, Central South University; Changsha Hunan 410083 China
| | - You-Nian Liu
- College of Chemistry and Chemical Engineering, Central South University; Changsha Hunan 410083 China
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26
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Huang J, Wang X, Patil PD, Tang J, Chen L, Liu YN. Synthesis, characterization and adsorption properties of an amide-modified hyper-cross-linked resin. RSC Adv 2014. [DOI: 10.1039/c4ra07322c] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
HCP-EDA-AA is an excellent resin for adsorptive removal of salicylic acid and it exhibits good reusability with remarkable regeneration behavior.
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Affiliation(s)
- Jianhan Huang
- College of Chemistry and Chemical Engineering
- Central South University
- Changsha, China
| | - Xiaomei Wang
- College of Chemistry and Chemical Engineering
- Central South University
- Changsha, China
| | - Prafulla D. Patil
- College of Chemistry and Chemical Engineering
- Central South University
- Changsha, China
| | - Jin Tang
- College of Chemistry and Chemical Engineering
- Central South University
- Changsha, China
| | - Limiao Chen
- College of Chemistry and Chemical Engineering
- Central South University
- Changsha, China
| | - You-Nian Liu
- College of Chemistry and Chemical Engineering
- Central South University
- Changsha, China
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27
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Zhou M, Wu YN, Qiao J, Zhang J, McDonald A, Li G, Li F. The removal of bisphenol A from aqueous solutions by MIL-53(Al) and mesostructured MIL-53(Al). J Colloid Interface Sci 2013; 405:157-63. [DOI: 10.1016/j.jcis.2013.05.024] [Citation(s) in RCA: 118] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2012] [Revised: 05/02/2013] [Accepted: 05/12/2013] [Indexed: 10/26/2022]
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28
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Zhang W, Huang G, Wei J, Li H, Zheng R, Zhou Y. Removal of phenol from synthetic waste water using Gemini micellar-enhanced ultrafiltration (GMEUF). JOURNAL OF HAZARDOUS MATERIALS 2012; 235-236:128-137. [PMID: 22863578 DOI: 10.1016/j.jhazmat.2012.07.031] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2012] [Revised: 07/12/2012] [Accepted: 07/14/2012] [Indexed: 06/01/2023]
Abstract
Comprehensive studies were conducted on the phenol wastewater ultrafiltration (UF) with the help of various concentrations of cationic Gemini surfactant (N1-dodecyl-N1,N1,N2,N2-tetramethyl-N2-octylethane-1,2-diaminium bromide, CG), conventional cationic surfactant (dodecyl trimethyl ammonium bromide, DTAB), anionic surfactant (sodium dodecyl sulfate, SDS) and nonionic surfactant ((dodecyloxy)polyethoxyethanol, Brij35). A flat sheet module with polyethersulfone (PES) membrane was employed in this investigation. The effects of feed concentration (phenol and surfactant) on the retention of phenol and surfactant, permeate flux and membrane fouling by micelles were evaluated. The distribution coefficient (D), the loading of the micelles (L(m)) and the equilibrium distribution constant (K) were also utilized to estimate the micellar-enhanced ultrafiltration ability for phenol. Scanning electron microscope (SEM), Fourier transform infrared spectrometer with attenuated total reflectance accessory (ATR-FTIR) and mercury porosimeter were applied to analyze membrane surface morphology, membrane material characteristics and membrane fouling for the original and fouled membranes. Based on the above analysis, the performance of the selected Gemini surfactant was proved superior in the following aspects: retention of phenol/surfactant (peak value is 95.8% for phenol retention), permeate flux and membrane fouling with respect to other conventional surfactants possessing equal alkyl chain length. These results demonstrated that CG surfactant with exceptional structure has favorable prospects in the treatment of phenol wastewater by the micellar-enhanced ultrafiltration.
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Affiliation(s)
- Wenxiang Zhang
- MOE Key Laboratory of Regional Energy and Environmental Systems Optimization, Resources and Environmental Research Academy, North China Electric Power University, Beijing 102206, China
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29
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Huang J, Jin X, Mao J, Yuan B, Deng R, Deng S. Synthesis, characterization and adsorption properties of diethylenetriamine-modified hypercrosslinked resins for efficient removal of salicylic acid from aqueous solution. JOURNAL OF HAZARDOUS MATERIALS 2012; 217-218:406-415. [PMID: 22482881 DOI: 10.1016/j.jhazmat.2012.03.053] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2012] [Revised: 03/14/2012] [Accepted: 03/17/2012] [Indexed: 05/31/2023]
Abstract
We report an effective approach for tailoring the pore textural properties and surface polarity of a hypercrosslinked resin to enhance its adsorption capacity and selectivity for removing salicylic acid from aqueous solution. Four hypercrosslinked resins were synthesized by controlling the reaction time of the self Friedel-Crafts reaction of chloromethylated polystyrene-co-divinylbenzene, and then modified with diethylenetriamine to adjust their surface polarity. The resins were characterized with N(2) adsorption for pore textural properties, Fourier transform infrared spectroscopy (FT-IR) for surface functional groups, chemical analysis for residual chlorine content and weak basic exchange capacity. Adsorption equilibrium, kinetics and breakthrough performance were determined for the removal of salicylic acid from aqueous solution on a selected resin HJ-M01. The equilibrium adsorption capacity of salicylic acid on HJ-M01 is significantly higher than that on its precursor HJ-11 and a few commercial adsorbents including AB-8, XAD-4 and XAD-7. The dynamic adsorption capacity of salicylic acid on HJ-M01 was found to be 456.4 mg/L at a feed concentration of 1000 mg/L and 294 K. The used resin could be fully regenerated with 1% sodium hydroxide solution. The hypercrosslinked resins being developed were promising alternatives to commercial adsorbents for removing salicylic acid and other volatile organic compounds (VOCs) from aqueous solution.
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Affiliation(s)
- Jianhan Huang
- School of Chemistry and Chemical Engineering, Central South University, Changsha, Hunan 410083, China.
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