1
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Pang S, Ma L, Yang Y, Chen H, Lu L, Yang S, Baeyens J, Si Z, Qin P. A High-Quality Mixed Matrix Membrane with Nanosheets Assembled and Uniformly Dispersed Fillers for Ethanol Recovery. Macromol Rapid Commun 2024:e2400384. [PMID: 39096156 DOI: 10.1002/marc.202400384] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2024] [Revised: 07/12/2024] [Indexed: 08/05/2024]
Abstract
A high-quality filler within mixed matrix membranes, coupled with uniform dispersity, endows a high-efficiency transfer pathway for the significant improvement on separation performance. In this work, a zeolite-typed MCM-22 filler is reported that is doped into polydimethylsiloxane (PDMS) matrix by ultrafast photo-curing technique. The unique structure of nanosheets assembly layer by layer endows the continuous transfer channels towards penetrate molecules because of the inter-connective nanosheets within PDMS matrix. Furthermore, an ultrafast freezing effect produced by fast photo-curing is used to overcome the key issue, namely filler aggregation, and further eliminates defects. When pervaporative separating a 5 wt% ethanol aqueous solution, the resulting MCM-22/PDMS membrane exhibits an excellent membrane flux of 1486 g m-2 h-1 with an ethanol separation factor of 10.2. Considering a biobased route for ethanol production, the gas stripping and vapor permeation through this membrane also shows a great enrichment performance, and the concentrated ethanol is up to 65.6 wt%. Overall, this MCM-22/PDMS membrane shows a high separation ability for ethanol benefited from a unique structure deign of fillers and ultrafast curing speed of PDMS, and has a great potential for bioethanol separation from cellulosic ethanol fermentation.
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Affiliation(s)
- Siyu Pang
- National Energy R&D Center for Biorefinery, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
| | - Liang Ma
- State Key Laboratory of Green Chemical Engineering and Industrial Catalysis, SINOPEC Shanghai Research Institute of Petrochemical Technology Co., Ltd., Shanghai, 201208, P. R. China
| | - Yongfu Yang
- State Key Laboratory of Biocatalysis and Enzyme Engineering, and School of Life Sciences, Hubei University, Wuhan, 430062, P. R. China
| | - Huidong Chen
- High-Tech Reacher Institute, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
| | - Lu Lu
- Paris Curie Engineer School, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
| | - Shihui Yang
- State Key Laboratory of Biocatalysis and Enzyme Engineering, and School of Life Sciences, Hubei University, Wuhan, 430062, P. R. China
| | - Jan Baeyens
- Department of Chemical Engineering, Sint-Katelijne-Waver, Ku Leuven, 2860, Belgium
| | - Zhihao Si
- National Energy R&D Center for Biorefinery, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
| | - Peiyong Qin
- National Energy R&D Center for Biorefinery, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
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2
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Li Y, Zhang S, Liu S, Chen Y, Luo M, Li J, Xu S, Hou X. Eco-friendly hydrophobic ZIF-8/sodium alginate monolithic adsorbent: An efficient trap for microplastics in the aqueous environment. J Colloid Interface Sci 2024; 661:259-270. [PMID: 38301464 DOI: 10.1016/j.jcis.2024.01.182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Revised: 01/21/2024] [Accepted: 01/25/2024] [Indexed: 02/03/2024]
Abstract
Microplastics (MPs), a newly emerging class of environmental contaminants, pose a severe threat to the entire ecosystem. The development of efficient and environmentally responsible adsorbents for removing the MPs is a particularly urgent research. Herein, a kind of monolithic ZIF-8 based adsorbents featuring stable hydrophobicity and micropore-mesopore-macropore hierarchical porous structure were fabricated by in situ growth of ZIF-8 nanoparticles on sodium alginate (SA) framework, and using polydimethylsiloxane (PDMS) as a hydrophobic agent. The monolithic nature of ZIF-8/SA allowed an easy solid-liquid separation process for adsorbents from water environment compared to powdered materials. The hierarchical porous structure ensures a remarkable MPs removal performance. The ZIF-8/SA showed high adsorption capacities of 594, 585, and 282 mg/g for polymethyl methacrylate (PMMA), poly (vinylidene difluoride) (PVDF), and polyvinyl chloride (PVC) respectively, and rapid adsorption kinetic progress within 120 min. The ZIF-8/SA adsorbents also exhibited excellent stability in the presence of interfering ions, acid/alkali, and humic acid, and displayed adsorption performance of > 70 % even in actual aquatic environment such as tap water, river water, and seawater. The results of characterizations showed that the synergistic effect of electrostatic interaction, hydrogen bonding, hydrophobic force, and van der Waals force was the main adsorption mechanism. The well-designed hydrophobic ZIF-8/SA monolithic materials would be promising to rapidly remove the MPs from the water environment.
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Affiliation(s)
- Yingying Li
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, Liaoning Province, People's Republic of China
| | - Sijia Zhang
- School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, Shenyang 110016, Liaoning Province, People's Republic of China
| | - Shuanghe Liu
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, Liaoning Province, People's Republic of China
| | - Yuhan Chen
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, Liaoning Province, People's Republic of China
| | - Minqi Luo
- School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, Shenyang 110016, Liaoning Province, People's Republic of China
| | - Jiahui Li
- School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, Shenyang 110016, Liaoning Province, People's Republic of China
| | - Shuang Xu
- School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, Shenyang 110016, Liaoning Province, People's Republic of China.
| | - Xiaohong Hou
- School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, Shenyang 110016, Liaoning Province, People's Republic of China.
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3
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Gupta I, Gupta O. Recent Advancements in the Recovery and Reuse of Organic Solvents Using Novel Nanomaterial-Based Membranes for Renewable Energy Applications. MEMBRANES 2023; 13:membranes13010108. [PMID: 36676915 PMCID: PMC9862370 DOI: 10.3390/membranes13010108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/11/2022] [Revised: 01/09/2023] [Accepted: 01/10/2023] [Indexed: 05/12/2023]
Abstract
The energy crisis in the world is increasing rapidly owing to the shortage of fossil fuel reserves. Climate change and an increase in global warming necessitates a change in focus from petroleum-based fuels to renewable fuels such as biofuels. The remodeling of existing separation processes using various nanomaterials is of a growing interest to industrial separation methods. Recently, the design of membrane technologies has been the most focused research area concerning fermentation broth to enhance performance efficiency, while recovering those byproducts to be used as value added fuels. Specifically, the use of novel nano material membranes, which brings about a selective permeation of the byproducts, such as organic solvent, from the fermentation broth, positively affects the fermentation kinetics by eliminating the issue of product inhibition. In this review, which and how membrane-based technologies using novel materials can improve the separation performance of organic solvents is considered. In particular, technical approaches suggested in previous studies are discussed with the goal of emphasizing benefits and problems faced in order to direct research towards an optimized membrane separation performance for renewable fuel production on a commercial scale.
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Affiliation(s)
- Indrani Gupta
- Department of Chemistry and Environmental Science, New Jersey Institute of Technology, Newark, NJ 07102, USA
| | - Oindrila Gupta
- Vertex Pharmaceuticals Inc., Boston, MA 02210, USA
- Correspondence: ; Tel.: +1-201-467-1138
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4
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Pang S, Si Z, Li G, Wu H, Cui Y, Zhang C, Ren C, Yang S, Pang S, Qin P. A fluorinated, defect-free ZIF-8/PDMS mixed matrix membrane for enhancing ethanol pervaporation. J Memb Sci 2022. [DOI: 10.1016/j.memsci.2022.120920] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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5
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Si Z, Wu H, Qin P, Van der Bruggen B. Polydimethylsiloxane based membranes for biofuels pervaporation. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.121612] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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6
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Sun Y, Zhao H, Duan M, Wang K, Bao N, Li H. Silica hollow spheres-based superhydrophobic PDMS composite membrane for enhanced acetone permselective pervaporation. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.122041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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7
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Xu LH, Li Y, Li SH, Lv MY, Zhao ZP. Space-confined growth of 2D MOF sheets between GO layers at room temperature for superior PDMS membrane-based ester/water separation. J Memb Sci 2022. [DOI: 10.1016/j.memsci.2022.120605] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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8
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Wang Y, Xue T, Si Z, Liu C, Yang S, Li G, Zhuang Y, Qin P. Visible-light-induced ultrafast preparation of PDMS membrane for the pervaporative separation of furfural. J Memb Sci 2022. [DOI: 10.1016/j.memsci.2022.120515] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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9
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Zhang X, Tong Z, Liu C, Ye L, Zhou Y, Meng Q, Zhang G, Gao C. Functionalized MOF-Derived Nanoporous Carbon as Compatible Nanofiller to Fabricate Defect-Free PDMS-Based Mixed Matrix Pervaporation Membranes. ACS OMEGA 2022; 7:15786-15794. [PMID: 35571851 PMCID: PMC9097190 DOI: 10.1021/acsomega.2c00881] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/13/2022] [Accepted: 04/04/2022] [Indexed: 06/15/2023]
Abstract
Metal-organic framework (MOF)-based polydimethylsiloxane mixed matrix membranes applied for alcohol recovery with high permeability and selectivity are drawing more and more attention. However, the design and fabrication of high-quality and stable MOF-based mixed matrix membrane for pervaporation are still a big challenge. Herein, PDMS functionalized MOF-derived nanoporous carbon (P-ZNC) was first explored as compatible nanofiller to mutually blend with polydimethylsiloxane on PVDF substrate to fabricate defect-free mixed matrix membranes via dip-coating and thermal cross-linkng. Induced by UV illumination, hydrophobic modification of MOF-derived nanoporous carbon was successfully realized under mild conditions within one step, simplifying the operation step. By using this facile strategy, we can not only solve the existing problem of agglomeration, but also covalently cross-link MOF derivative with polymeric matrix and effectively eliminate the interface defect between polymer and nanoparticles without any extra steps. The method also gives a good level of generality for the synthesis of versatile stable nanoporous MOF-derived carbon-based mixed matrix membranes on various supports. The prepared PDMS/P-ZNC with commendable structures possessed excellent separation performance in low concentration n-butanol recovery and had a good balance between permeance, selectivity, and stability.
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Affiliation(s)
- Xu Zhang
- Center
for Membrane and Water Science & Technology, Institute of Oceanic
and Environmental Chemical Engineering, State Key Lab Breeding Base
of Green Chemical Synthesis Technology, Zhejiang University of Technology, 310014 Hangzhou, China
| | - Zhaowei Tong
- Center
for Membrane and Water Science & Technology, Institute of Oceanic
and Environmental Chemical Engineering, State Key Lab Breeding Base
of Green Chemical Synthesis Technology, Zhejiang University of Technology, 310014 Hangzhou, China
| | - Chao Liu
- Center
for Membrane and Water Science & Technology, Institute of Oceanic
and Environmental Chemical Engineering, State Key Lab Breeding Base
of Green Chemical Synthesis Technology, Zhejiang University of Technology, 310014 Hangzhou, China
| | - Lei Ye
- Center
for Membrane and Water Science & Technology, Institute of Oceanic
and Environmental Chemical Engineering, State Key Lab Breeding Base
of Green Chemical Synthesis Technology, Zhejiang University of Technology, 310014 Hangzhou, China
| | - Yuwei Zhou
- Center
for Membrane and Water Science & Technology, Institute of Oceanic
and Environmental Chemical Engineering, State Key Lab Breeding Base
of Green Chemical Synthesis Technology, Zhejiang University of Technology, 310014 Hangzhou, China
| | - Qin Meng
- College
of Chemical and Biological Engineering, and State Key Laboratory of
Chemical Engineering, Zhejiang University, Yugu Road 38#, 310027 Hangzhou, China
| | - Guoliang Zhang
- Center
for Membrane and Water Science & Technology, Institute of Oceanic
and Environmental Chemical Engineering, State Key Lab Breeding Base
of Green Chemical Synthesis Technology, Zhejiang University of Technology, 310014 Hangzhou, China
| | - Congjie Gao
- Center
for Membrane and Water Science & Technology, Institute of Oceanic
and Environmental Chemical Engineering, State Key Lab Breeding Base
of Green Chemical Synthesis Technology, Zhejiang University of Technology, 310014 Hangzhou, China
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10
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Review of alternative technologies for acetone-butanol-ethanol separation: Principles, state-of-the-art, and development trends. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.121244] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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11
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Su X, Zheng T, Zhu Y, Tao X, Yu K, Zhao Z, Wu Z, Lu J, Gao C, Zhao D. Enhanced n‐butanol permselectivevapor permeation by incorporating ZIF‐8 into a polydimethylsiloxane composite membrane: Effect of filler loading contents. Z Anorg Allg Chem 2022. [DOI: 10.1002/zaac.202200022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
| | | | | | | | | | | | | | | | | | - Dian Zhao
- Zhejiang Normal University Department of Chemistry No. 688 Yingbin Road 321004 Jinhua CHINA
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12
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Yang W, Su X, Zheng T, Zhang Q, Jiao J, Meng L, Qing W. Fabricating a ZIF–8@Polydimethylsiloxane(PDMS)/PVDF mixed matrix composition membrane for separation of ethanol from aqueous solution via vapor permeation. Z Anorg Allg Chem 2022. [DOI: 10.1002/zaac.202100379] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- WeiPing Yang
- College of Chemical and Material Engineering, Quzhou University, Quzhou, 324000, China CHINA
| | - Xing Su
- Quzhou University College of Chemical and Material Engineering No.78, Jiuhua North Avenue, Kecheng DistrictQuzhou CityZhejiang ProvinceChina 324000 Quzhou CHINA
| | - Tucai Zheng
- College of Chemical and Material Engineering, Quzhou University, Quzhou, 324000, China CHINA
| | - Qingqiu Zhang
- College of Chemical and Material Engineering, Quzhou University, Quzhou, 324000, China CHINA
| | - Jiacai Jiao
- College of Chemical and Material Engineering, Quzhou University, Quzhou, 324000, China CHINA
| | - Lingbin Meng
- College of Chemical and Material Engineering, Quzhou University, Quzhou, 324000, China CHINA
| | - Weihua Qing
- John A. Reif, Jr. Department of Civil and Environmental Engineering, New Jersey Institute of Technology, Newark, New Jersey 07102, the United States CHINA
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13
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Ren C, Si Z, Qu Y, Li S, Wu H, Meng F, Zhang X, Wang Y, Liu C, Qin P. CF3-MOF enhanced pervaporation selectivity of PDMS membranes for butanol separation. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2021.120255] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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14
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Recycle of ceramic substrate of PDMS/ceramic composite membranes towards alcohol-permselective pervaporation. J Memb Sci 2021. [DOI: 10.1016/j.memsci.2021.119835] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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15
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Serna-Vázquez J, Zamidi Ahmad M, Castro-Muñoz R. Simultaneous production and extraction of bio-chemicals produced from fermentations via pervaporation. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2021.119653] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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16
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Goyal P, Sundarrajan S, Ramakrishna S. A Review on Mixed Matrix Membranes for Solvent Dehydration and Recovery Process. MEMBRANES 2021; 11:membranes11060441. [PMID: 34208292 PMCID: PMC8230825 DOI: 10.3390/membranes11060441] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Revised: 05/24/2021] [Accepted: 06/08/2021] [Indexed: 11/16/2022]
Abstract
Solvent separation and dehydration are important operations for industries and laboratories. Processes such as distillation and extraction are not always effective and are energy-consuming. An alternate approach is offered by pervaporation, based on the solution-diffusion transport mechanism. Polymer-based membranes such as those made of Polydimethylsiloxane (PDMS) have offered good pervaporation performance. Attempts have been made to improve their performance by incorporating inorganic fillers into the PDMS matrix, in which metal-organic frameworks (MOFs) have proven to be the most efficient. Among the MOFs, Zeolitic imidazolate framework (ZIF) based membranes have shown an excellent performance, with high values for flux and separation factors. Various studies have been conducted, employing ZIF-PDMS membranes for pervaporation separation of mixtures such as aqueous-alcoholic solutions. This paper presents an extensive review of the pervaporation performance of ZIF-based mixed matrix membranes (MMMs), novel synthesis methods, filler modifications, factors affecting membrane performance as well as studies based on polymers other than PDMS for the membrane matrix. Some suggestions for future studies have also been provided, such as the use of biopolymers and self-healing membranes.
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Affiliation(s)
- Priyanka Goyal
- Birla Institute of Technology and Science-Pilani, Hyderabad Campus, Telangana 500078, India;
| | - Subramanian Sundarrajan
- Center for Nanofibers and Nanotechnology, Department of Mechanical Engineering, National University of Singapore, Blk E3 05-12, 2 Engineering Drive 3, Singapore 117581, Singapore;
- Correspondence:
| | - Seeram Ramakrishna
- Center for Nanofibers and Nanotechnology, Department of Mechanical Engineering, National University of Singapore, Blk E3 05-12, 2 Engineering Drive 3, Singapore 117581, Singapore;
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17
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Liu C, Xue T, Yang Y, Ouyang J, Chen H, Yang S, Li G, Cai D, Si Z, Li S, Qin P. Effect of crosslinker 3-methacryloxypropylmethyldimethoxysilane on UV-crosslinked PDMS-PTFPMS block copolymer membranes for ethanol pervaporation. Chem Eng Res Des 2021. [DOI: 10.1016/j.cherd.2021.01.023] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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18
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Shan H, Li S, Zhang X, Meng F, Zhuang Y, Si Z, Cai D, Chen B, Qin P. Molecular dynamics simulation and preparation of vinyl modified polydimethylsiloxane membrane for pervaporation recovery of furfural. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2020.118006] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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19
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Synthesis of stable COF-300 nanofiltration membrane via in-situ growth with ultrahigh flux for selective dye separation. J Memb Sci 2020. [DOI: 10.1016/j.memsci.2020.118466] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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20
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Zhu H, Li X, Pan Y, Liu G, Wu H, Jiang M, Jin W. Fluorinated PDMS membrane with anti-biofouling property for in-situ biobutanol recovery from fermentation-pervaporation coupled process. J Memb Sci 2020. [DOI: 10.1016/j.memsci.2020.118225] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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21
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Yang Y, Si Z, Cai D, Teng X, Li G, Wang Z, Li S, Qin P. High-hydrophobic CF3 groups within PTFPMS membrane for enhancing the furfural pervaporation performance. Sep Purif Technol 2020. [DOI: 10.1016/j.seppur.2019.116144] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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22
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Lee S, Lei Y, Wang D, Li C, Cheng J, Wang J, Meng W, Liu M. The Study of Zeolitic Imidazolate Framework (ZIF-8) Doped Polyvinyl Alcohol/Starch/Methyl Cellulose Blend Film. Polymers (Basel) 2019; 11:polym11121986. [PMID: 31810257 PMCID: PMC6960636 DOI: 10.3390/polym11121986] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2019] [Revised: 11/25/2019] [Accepted: 11/25/2019] [Indexed: 01/08/2023] Open
Abstract
ZIF-8 nanoparticle-doped polyvinyl alcohol (PVA)-S-MC films were prepared via casting method. The effect of different concentrations of ZIF-8 on the physical properties and structural characterization of the films were investigated. The results indicated that ZIF-8 could increase the water resistance and mechanical property of the membrane. Through FTIR, scanning electron microscope (SEM), atomic force microscope (AFM), and TGA analysis, it was found that ZIF-8 changed the phenomenon of macromolecule agglomeration and improved the thermal stability of the membrane. The breathable behavior of the film was also studied through oxygen permeability and water vapor permeability analysis. The result illustrated that the breathability of the film improved significantly by adding ZIF-8. The maximum reached when the weight ratio of ZIF-8 was 0.01 wt %. The property expands the application of PVA/starch blend film in the postharvest technology of fruits and vegetables.
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Affiliation(s)
- Shaoxiang Lee
- College of Environment and Safety Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
- Shandong Engineering Research Center for Marine Environment Corrosion and Safety Protection, Qingdao University of Science and Technology, Qingdao 266042, China
- Shandong Engineering Technology Research Center for Advanced Coating, Qingdao University of Science and Technology, Qingdao 266042, China
| | - Yunna Lei
- College of Environment and Safety Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
- Shandong Engineering Research Center for Marine Environment Corrosion and Safety Protection, Qingdao University of Science and Technology, Qingdao 266042, China
- Shandong Engineering Technology Research Center for Advanced Coating, Qingdao University of Science and Technology, Qingdao 266042, China
| | - Dong Wang
- College of Environment and Safety Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
- Shandong Engineering Research Center for Marine Environment Corrosion and Safety Protection, Qingdao University of Science and Technology, Qingdao 266042, China
- Shandong Engineering Technology Research Center for Advanced Coating, Qingdao University of Science and Technology, Qingdao 266042, China
- Correspondence: (D.W.); (C.L.); Tel.: +86-182-5324-8212 (D.W.); +44-7592-888041 (C.L.)
| | - Chunxu Li
- ASTUTE 2020 in Future Manufacturing Research Institute, College of Engineering, Swansea University, Swansea SA1 8EN, UK
- Correspondence: (D.W.); (C.L.); Tel.: +86-182-5324-8212 (D.W.); +44-7592-888041 (C.L.)
| | - Jiaji Cheng
- College of Environment and Safety Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
- Shandong Engineering Research Center for Marine Environment Corrosion and Safety Protection, Qingdao University of Science and Technology, Qingdao 266042, China
- Shandong Engineering Technology Research Center for Advanced Coating, Qingdao University of Science and Technology, Qingdao 266042, China
| | - Jiaping Wang
- College of Environment and Safety Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
- Shandong Engineering Research Center for Marine Environment Corrosion and Safety Protection, Qingdao University of Science and Technology, Qingdao 266042, China
- Shandong Engineering Technology Research Center for Advanced Coating, Qingdao University of Science and Technology, Qingdao 266042, China
| | - Wenqiao Meng
- College of Environment and Safety Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
- Shandong Engineering Research Center for Marine Environment Corrosion and Safety Protection, Qingdao University of Science and Technology, Qingdao 266042, China
- Shandong Engineering Technology Research Center for Advanced Coating, Qingdao University of Science and Technology, Qingdao 266042, China
| | - Meng Liu
- College of Environment and Safety Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
- Shandong Engineering Research Center for Marine Environment Corrosion and Safety Protection, Qingdao University of Science and Technology, Qingdao 266042, China
- Shandong Engineering Technology Research Center for Advanced Coating, Qingdao University of Science and Technology, Qingdao 266042, China
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23
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Ali M, Aslam M, Khan A, Gilani MA, Khan AL. Mixed matrix membranes incorporated with sonication-assisted ZIF-8 nanofillers for hazardous wastewater treatment. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2019; 26:35913-35923. [PMID: 31707609 DOI: 10.1007/s11356-019-06698-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/02/2019] [Accepted: 10/04/2019] [Indexed: 06/10/2023]
Abstract
Mixed matrix membranes (MMMs) provide a unique pathway to treat hazardous industrial effluents. MMMs containing zeolitic imidazolate framework-8 (ZIF-8) as filler in polydimethoxysilane (PDMS) matrix were synthesized. ZIF-8 was prepared using a modified recipe and characterized by different techniques to evaluate its morphology, thermal stability, surface area, pore volume, and other characteristics. The performance of membranes was evaluated for their application in industrial dye-stuff wastewater treatment and solvent-resistant nanofiltration. The results demonstrated that increase in the percentage of ZIF-8 loading in PDMS led to simultaneous increase in the solvent permeability as well as solute rejection from wastewater. The permeability of MMMs increased up to 32% as compared with neat PDMS membrane. The organic dye rejection was achieved more than 87% with MMMs incorporated with 20% loading of nanofillers. Rejection of MMMs was 22% higher than that of unfilled PDMS membrane due to the effect of reduced polymer swelling and size exclusion of the nanofillers. Membrane swelling tests with toluene and isopropanol demonstrated that nanofiller amount has inverse relation with membrane swelling, which implied that nanofillers were in good interaction with polymer and allowed defect free membranes with higher solute rejections and reduced membrane swelling.
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Affiliation(s)
- Mohsin Ali
- Department of Chemical Engineering, COMSATS University Islamabad (CUI), Lahore Campus, Defense Road, Off Raiwind Road, Lahore, Pakistan
- State Key Laboratory of Chemical Engineering, Department of Chemical Engineering and Biological Engineering, Zhejiang University, Hangzhou, 310027, People's Republic of China
| | - Muhammad Aslam
- Department of Chemical Engineering, COMSATS University Islamabad (CUI), Lahore Campus, Defense Road, Off Raiwind Road, Lahore, Pakistan
- Department of Environmental Engineering, Inha University, Namgu, 100 Inha-ro, Incheon, Republic of Korea
| | - Amin Khan
- State Key Laboratory of Chemical Engineering, Department of Chemical Engineering and Biological Engineering, Zhejiang University, Hangzhou, 310027, People's Republic of China
| | - Mazhar Amjad Gilani
- Department of Chemistry, COMSATS University Islamabad (CUI), Lahore Campus, Defense Road, Off Raiwind Road, Lahore, Pakistan
| | - Asim Laeeq Khan
- Department of Chemical Engineering, COMSATS University Islamabad (CUI), Lahore Campus, Defense Road, Off Raiwind Road, Lahore, Pakistan.
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