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Davoodbeygi Y, Askari M, Salehi E, Kheirieh S. A review on hybrid membrane-adsorption systems for intensified water and wastewater treatment: Process configurations, separation targets, and materials applied. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2023; 335:117577. [PMID: 36848812 DOI: 10.1016/j.jenvman.2023.117577] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 02/06/2023] [Accepted: 02/22/2023] [Indexed: 06/18/2023]
Abstract
In the era of rapid and conspicuous progress of water treatment technologies, combined adsorption and membrane filtration systems have gained great attention as a novel and efficient method for contaminant removal from aqueous phase. Further development of these techniques for water/wastewater treatment applications will be promising for the recovery of water resources as well as reducing the water tension throughout the world. This review introduces the state-of-the-art on the capabilities of the combined adsorption-membrane filtration systems for water and wastewater treatment applications. Technical information including employed materials, superiorities, operational limitations, process sustainability and upgradeing strategies for two general configurations i.e. hybrid (pre-adsorption and post-adsorption) and integrated (film adsorbents, low pressure membrane-adsorption coupling and membrane-adsorption bioreactors) systems has been surveyed and presented. Having a systematic look at the fundamentals of hybridization/integration of the two well-established and efficient separation methods as well as spotlighting the current status and prospectives of the combination strategies, this work will be valuable to all the interested researchers working on design and development of cutting-edge wastewater/water treatment techniques. This review also draws a clear roadmap for either decision making and choosing the best alternative for a specific target in water treatment or making a plan for further enhancement and scale-up of an available strategy.
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Affiliation(s)
- Yegane Davoodbeygi
- Department of Chemical Engineering, University of Hormozgan, Bandar Abbas, Iran; Nanoscience, Nanotechnology and Advanced Materials Research Center, University of Hormozgan, Bandar Abbas, Iran
| | - Mahdi Askari
- Department of Chemical Engineering, Faculty of Engineering, Arak University, Arak, Iran
| | - Ehsan Salehi
- Department of Chemical Engineering, Faculty of Engineering, Arak University, Arak, Iran.
| | - Sareh Kheirieh
- Department of Chemical Engineering, University of Kashan, Kashan, Iran
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Lei C, Huang H, Ye H, Fu Z, Peng P, Zhang S, Long L. Immobilization of Pb and Zn in Contaminated Soil Using Alumina-Silica Nano-Amendments Synthesized from Coal Fly Ash. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:16204. [PMID: 36498279 PMCID: PMC9740954 DOI: 10.3390/ijerph192316204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/29/2022] [Revised: 11/23/2022] [Accepted: 12/01/2022] [Indexed: 06/17/2023]
Abstract
To apply coal fly ash to the remediation of heavy-metal-contaminated soil, an alumina-silica nano-amendment (ASNA) was synthesized from coal fly ash and was used for the immobilization of lead and zinc in contaminated soil. The investigation on the synthesis of the ASNA shows that the ASNA can be obtained under a roasting temperature of 700 °C, a ratio of alkali to coal fly ash of 1.2:1, and a molar ratio of silicon to aluminum of 1:1. The ASNA could increase the soil pH and cation exchange capacity (CEC) and decrease the bioavailability of Pb and Zn. When the ASNA addition increased from 0 to 2%, the bioavailability (extracted by CaCl2) of Pb and Zn decreased by 47% and 72%, respectively. Moreover, the addition of the ASNA facilitated the transformation of Pb from a reducible fraction to oxidizable and residual fractions and Zn from an exchangeable fraction to a residual fraction. The correlation analysis and cluster analysis verify that the ASNA modulates the chemical speciation of heavy metals by increasing the soil's CEC and pH, thereby immobilizing heavy metals. It is expected that this study can provide a new method for the remediation of Pb- and Zn-contaminated soil.
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Thongkam M, Woramongkolchai S, Saowsupa S, Rungrojchaipon P. A Facile Method to Synthesize b-Oriented Silicalite-1 Thin Film. MEMBRANES 2022; 12:membranes12050520. [PMID: 35629846 PMCID: PMC9147600 DOI: 10.3390/membranes12050520] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Revised: 05/03/2022] [Accepted: 05/08/2022] [Indexed: 02/04/2023]
Abstract
Silicalite-1 thin film was prepared with the following batch composition—3TPAOH:25TEOS:1450H2O:100EtOH—and synthesized using the hydrothermal technique. Silicalite-1 colloidal crystals were successfully coated on the surface of the silica substrate by the dip-coating method. The investigation of silicalite-1 thin film with organic structure-directing agents (SDA), using a seeding technique with various colloidal seed concentrations, number of dip-coating steps, and crystallization time, were systematically discussed and obtained interesting results. Silicalite-1 powder and Silicalite-1 membrane, the patterns of which showed a unique characteristic crystallography of MFI topology, were characterized by XRD, which indicated the preferred orientation along the b-axis perpendicular to the substrate surface. The morphology and crystal size aspect of Silicalite-1 were also examined by a scanning electron microscope (SEM).
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Affiliation(s)
- Montree Thongkam
- Department of Chemistry, Faculty of Science, King Mongkut’s Institute of Technology Ladkrabang, Ladkrabang, Bangkok 10520, Thailand; (M.T.); (S.W.)
| | - Somsak Woramongkolchai
- Department of Chemistry, Faculty of Science, King Mongkut’s Institute of Technology Ladkrabang, Ladkrabang, Bangkok 10520, Thailand; (M.T.); (S.W.)
| | - Sairoong Saowsupa
- Department of Curriculum and Instruction, Faculty of Education, Chulalongkorn University, Bangkok 10330, Thailand;
| | - Pesak Rungrojchaipon
- Department of Chemistry, Faculty of Science, King Mongkut’s Institute of Technology Ladkrabang, Ladkrabang, Bangkok 10520, Thailand; (M.T.); (S.W.)
- Correspondence:
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Mirfendereski SM, Mazaheri T. Preparation of high performance ZSM-5 zeolite membranes for CO2/H2 separation. J IND ENG CHEM 2021. [DOI: 10.1016/j.jiec.2020.10.040] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Tawalbeh M, Al-Ismaily M, Kruczek B, Tezel FH. Modeling the transport of CO 2, N 2, and their binary mixtures through highly permeable silicalite-1 membranes using Maxwell-Stefan equations. CHEMOSPHERE 2021; 263:127935. [PMID: 32810774 DOI: 10.1016/j.chemosphere.2020.127935] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Revised: 07/29/2020] [Accepted: 08/05/2020] [Indexed: 06/11/2023]
Abstract
Carbon dioxide (CO2) is the main contributor to global warming; therefore, research efforts aim at its capture. Membranes, in particular, zeolite membranes offer a promising approach for CO2 separation and capture. Membranes are typically characterized by their selectivity and permeance that are highly dependent on the operating conditions namely, total feed pressure and composition. Therefore, more reliable characterization parameters are required such as Maxwell- Stefan exchange diffusivities. In this work, a model based on Maxwell-Stefan equations and Extended Langmuir isotherm was developed to investigate the transport of binary mixtures of CO2 and N2 through thin silicalite-1 membranes. The exchange diffusivities, D12 and D21, of CO2 and N2 were determined at different total feed pressures and feed compositions. All gas separation tests were conducted at stage cut not exceeding 5%. The single component diffusivities of CO2 and N2 required by the model were found experimentally using the results of the respective single gas permeation tests. The results displayed that as CO2 concentration in the feed increased from 15% to 85%, the values of D12 and D21 decreased from 2.8 × 10-10 to 1.1 × 10-10 m2/s and 2.8 × 10-10 to 1.3 × 10-10 m2/s, respectively, while the N2 permeance decreased by about one order of magnitude from 2.7 × 10-7 to 2.4 × 10-8 mol/m2.s.Pa. Consequently, the exchange diffusivities showed considerably smaller dependence on the operating conditions compared to the permselectivity and permeance. Hence, they are more appropriate in describing the intrinsic transport characteristics of silicalite-1 membranes.
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Affiliation(s)
- Muhammad Tawalbeh
- Sustainable and Renewable Energy Engineering Department, University of Sharjah, Sharjah, P.O. Box 27272, United Arab Emirates.
| | - Mukhtar Al-Ismaily
- Department of Chemical and Biological Engineering, University of Ottawa, 161 Louis Pasteur Street, Ottawa, ON, K1N 6N5, Canada
| | - Boguslaw Kruczek
- Department of Chemical and Biological Engineering, University of Ottawa, 161 Louis Pasteur Street, Ottawa, ON, K1N 6N5, Canada
| | - F Handan Tezel
- Sustainable and Renewable Energy Engineering Department, University of Sharjah, Sharjah, P.O. Box 27272, United Arab Emirates
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Enhanced Removal of Soluble and Insoluble Dyes over Hierarchical Zeolites: Effect of Synthesis Condition. INORGANICS 2020. [DOI: 10.3390/inorganics8090052] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
A hierarchical zeolite ZSM-5 with micro and meso-pore was prepared by optimising the most affecting parameter in sequence of desilication and dealumination. The physicochemical properties of zeolite were characterised with XRD, nitrogen adsorption–desorption, FTIR and SEM. The potential of this zeolite for decolorisation of CR, RY, MB, RhB, DB-1 and DB-14 was evaluated with adsorption isotherm, thermodynamics, kinetics, and influencing parameter for adsorption. The unique modification of ZSM-5 resulted in lower crystallinity, easier porosity control, rich terminal silanol and unbridged silanol groups which assisted in higher adsorption capacity. The adsorption capacity of the optimum ZSM-5 was 323, 435, 589, 625, 61 and 244 mg/g for CR, RY, MB, RhB, DB-1 and DB-14, respectively. The dye adsorption progressed through pseudo-first-order kinetic and close to the Langmuir model. The adsorption mechanism is proposed mainly through interaction between deprotonated silanol site and the electron-rich dye site.
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Tian Q, Guo B, Sasaki K. Influence of silicate on the structural memory effect of layered double hydroxides for the immobilization of selenium. JOURNAL OF HAZARDOUS MATERIALS 2020; 395:122674. [PMID: 32335282 DOI: 10.1016/j.jhazmat.2020.122674] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/02/2020] [Revised: 03/14/2020] [Accepted: 04/06/2020] [Indexed: 06/11/2023]
Abstract
The influence of silicate on the structural memory effect of layered double hydroxides (LDHs) has been rarely reported. In this study, five kinds of calcined LDHs (CLDHs) were synthesized and used as adsorbents for the sorption of selenium with or without silicate, under the initial pH 10 and 13, respectively, characterized by X-ray diffraction (XRD), scanning electron microscope (SEM), infrared spectroscopy (IR), nuclear magnetic resonance (NMR), X-ray photoelectron spectroscopy (XPS), and N2 adsorption-desorption isotherm. The results indicated that silicate can significantly affect the phase transformation of CLDHs, and the sorption amounts of selenite and selenate dramatically decreased in the presence of silicate. Specifically, silicate can react with MgO and Al2O3 in CLDHs to generate magnesium silicate hydrate and geopolymer-like substance which were covered on the surface of particles, blocking the hydroxylation of metal oxides. However, higher pH suppressed the interaction between MgO and silicate and enhanced the formation of geopolymer-like substance, which promoted the regeneration of LDHs. Al in CLDHs plays a critical role in the regeneration of LDHs. Besides, the ternary oxides (CLDH-2, Mg2Al0.75Fe0.25-oxide; CLDH-3, Mg2Al0.5Fe0.5-oxide) possessed larger specific surface areas (127.7 and 158.2 m2/g) and consequently presented more resistance to the effect of silicate.
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Affiliation(s)
- Quanzhi Tian
- Department of Earth Resources Engineering, Kyushu University, Fukuoka 819-0395, Japan.
| | - Binglin Guo
- Department of Earth Resources Engineering, Kyushu University, Fukuoka 819-0395, Japan
| | - Keiko Sasaki
- Department of Earth Resources Engineering, Kyushu University, Fukuoka 819-0395, Japan.
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He P, Ding J, Qin Z, Tang L, Haw KG, Zhang Y, Fang Q, Qiu S, Valtchev V. Binder-free preparation of ZSM-5@silica beads and their use for organic pollutant removal. Inorg Chem Front 2020. [DOI: 10.1039/d0qi00259c] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Organic structure directing agent (OSDA)- and binder-free preparation of ZSM-5@silica beads and their use for aniline removal.
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Affiliation(s)
- Ping He
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry
- Jilin University
- Changchun 130012
- China
| | - Jiehua Ding
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry
- Jilin University
- Changchun 130012
- China
| | - Zhengxing Qin
- State Key Laboratory of Heavy Oil Processing
- College of Chemical Engineering
- China University of Petroleum (East China)
- Qingdao 266580
- China
| | - Lingxue Tang
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry
- Jilin University
- Changchun 130012
- China
| | - Kok-Giap Haw
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry
- Jilin University
- Changchun 130012
- China
| | - Yiying Zhang
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry
- Jilin University
- Changchun 130012
- China
| | - Qianrong Fang
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry
- Jilin University
- Changchun 130012
- China
| | - Shilun Qiu
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry
- Jilin University
- Changchun 130012
- China
| | - Valentin Valtchev
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry
- Jilin University
- Changchun 130012
- China
- Normandie Univ
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Chromium Oxide Supported on Silicalite-1 Zeolite as a Novel Efficient Catalyst for Dehydrogenation of Isobutane Assisted by CO2. Catalysts 2019. [DOI: 10.3390/catal9121040] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
The chromium oxide catalysts supported on silicalite-1 zeolite (Cr/S-1) with a Cr content between 0.5% and 7% were synthesized via an incipient wetness method. The catalysts were characterized by XRD, N2 adsorption, TEM-EDX, UV-vis, DRIFTS, 29Si MAS NMR, XPS, H2-TPR, and NH3-TPD. The optimum 3%Cr/S-1 catalyst with 3%Cr is more active and stable than SBA-15-supported one with the same Cr content, which is a consequence of a higher content of Cr6+ in the fresh 3%Cr/S-1 catalyst and a higher content of Cr6+ retained on the former catalyst during the reaction. The 3%Cr/S-1 catalyst affords an isobutane conversion of 36.5% with 71.2% isobutene selectivity. The catalytic activity is well correlated with the content of Cr6+ in the fresh catalysts. Carbon dioxide displays a promoting effect on the dehydrogenation reaction.
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