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学者姓名：安全福
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Abstract ：
Graphene oxide (GO) membrane has been considered as a promising approach for harvesting pure water from various wastewater to deal with the current water shortage issue, arising from its distinctive 2D channel features. However, the narrow interlayer distance (0.75 angstrom) of GO nanosheets hampers the utilization of GO membranes for dye wastewater treatment, which demands superior water permeance, high dyes rejection, and low salts rejection. Herein, an in-situ anchored nanoparticle strategy is designed to fabricate Fe(OH)(3)@GO membrane to enlarge the interlayer distance via the uniform distributed Fe(OH)(3) nanoparticles. Benefiting from the in-situ transformation of Fe3+ into positively charged Fe(OH)(3) nanoparticles, the interlayer distance of GO membranes can be tailored via changing the Fe: GO mass ratio and hydrolysis time. The optimized Fe(OH)(3)@GO membrane realizes a superior water permeance of similar to 90.9 LMH/bar (similar to 19-fold enhancement compared with GO membranes), with >99% and <4% rejection to Evans blue (EB) and NaCl, respectively. Thus, the membrane can be applied for dye desalination and can be stably running for 85 h. Considering the facile and efficient 2D channel tunability, our strategy provides an innovative approach for construction of high-performance 2D membranes.
Keyword ：
Dye desalination Dye desalination Interlayer distance Interlayer distance Fe(OH)(3) nanoparticles Fe(OH)(3) nanoparticles Nanofiltration Nanofiltration Graphene oxide Graphene oxide
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| GB/T 7714 | Ren, Yun-Han , Zhang, Wen-Hai , Yin, Ming-Jie et al. In-situ nanoparticles intercalating graphene oxide membranes for superior water transport in dye desalination [J]. | JOURNAL OF MEMBRANE SCIENCE , 2024 , 697 . |
| MLA | Ren, Yun-Han et al. "In-situ nanoparticles intercalating graphene oxide membranes for superior water transport in dye desalination" . | JOURNAL OF MEMBRANE SCIENCE 697 (2024) . |
| APA | Ren, Yun-Han , Zhang, Wen-Hai , Yin, Ming-Jie , Liu, Zhi-Jie , An, Quan-Fu . In-situ nanoparticles intercalating graphene oxide membranes for superior water transport in dye desalination . | JOURNAL OF MEMBRANE SCIENCE , 2024 , 697 . |
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Abstract ：
Organic molecule desalination with nanofiltration has important practical application significance. Zwitterionbased nanofiltration membranes (ZNFMs) with selective channels for monovalent salts have been prepared to improve the separation performance. However, most ZNFMs tend to be restricted by their loose structures, which results in unsatisfactory rejection for small molecules with sub-200 Da molecular weight. In this study, a synchronous modification strategy during the heat treatment of interfacial polymerization was proposed, in which various multi-amine solutions were employed as the novel medium of heat treatment to regulate the structures of ZNFMs. The pore size distribution of membranes could be narrowed to a certain degree through cross-linking by corresponding multi-amines. The optimized ZNFMs exhibited excellent retention to small molecules. For example, the retention of glucose was dramatically increased to 96.5%. Meanwhile, the ZNFMs also had low rejection for monovalent salts, such as KCl (26.7 %). Consequently, the separation factor between glucose and KCl reached 21.2, which demonstrated a great potential for organic molecule desalination with sub-200 Da molecular weight.
Keyword ：
Selective channel Selective channel Pore size distribution regulation Pore size distribution regulation Organic molecule desalination Organic molecule desalination Secondary cross-linking Secondary cross-linking Zwitterionic nanofiltration membrane Zwitterionic nanofiltration membrane
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| GB/T 7714 | Wu, Bin , Fan, Weiyi , Wang, Ruochen et al. Custom-tailoring zwitterion-based nanofiltration membranes for organic molecule desalination with sub-200 Da molecular weight [J]. | JOURNAL OF MEMBRANE SCIENCE , 2024 , 698 . |
| MLA | Wu, Bin et al. "Custom-tailoring zwitterion-based nanofiltration membranes for organic molecule desalination with sub-200 Da molecular weight" . | JOURNAL OF MEMBRANE SCIENCE 698 (2024) . |
| APA | Wu, Bin , Fan, Weiyi , Wang, Ruochen , Wang, Naixin , Shen, Yue , Wanjiya, Mwema et al. Custom-tailoring zwitterion-based nanofiltration membranes for organic molecule desalination with sub-200 Da molecular weight . | JOURNAL OF MEMBRANE SCIENCE , 2024 , 698 . |
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Abstract ：
Blending hydrophilic additives is an effective method to improve the surface hydrophilcility and antifouling property of ultrafiltration membranes. In this study, we prepared a series of polysulfate (PSE) hollow fiber membranes (HFMs) containing a zwitterion-based copolymer, poly(4-vinylpyridine-co-methylacryloxyethyl phosphocholine), with varying monomer ratios and blending quantities. The relationship between cast solution properties and phase separation behavior was investigated, as well as the impacts of copolymer composition and amount on the separation performances and antifouling abilities of the membranes. A higher hydrophilic monomer ratio and more copolymer addition of zwitterionic copolymer would facilitate surface segregation, increasing the hydrophilicity of membrane surface and generating a dense hydration layer. This layer can resist macromolecule contaminants and promote water molecular transport. Furthermore, a more compacted skin layer improves separation ability. The optimized PSE HFMs had water fluxes around 140 L m- 2 h- 1, BSA rejections over 97 %, and flux recovery rates over 92 % during operation. Moreover, the membrane demonstrated ultra-low flux-sacrifice when applied to protein solutions while maintaining a high rejection rate, which indicates the distinctive and strong competitiveness of PSE/P(4VP-co-MPC) HFMs.
Keyword ：
Surface segregation Surface segregation UF membrane UF membrane Hollow fiber Hollow fiber Zwitterionic copolymer Zwitterionic copolymer Polysulfate Polysulfate
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| GB/T 7714 | Wang, Zhi-Peng , Cheng, Ziyang , Liu, Qiaohong et al. Enhanced antifouling PSE hollow fiber membrane via zwitterionic copolymer segregation [J]. | JOURNAL OF MEMBRANE SCIENCE , 2024 , 716 . |
| MLA | Wang, Zhi-Peng et al. "Enhanced antifouling PSE hollow fiber membrane via zwitterionic copolymer segregation" . | JOURNAL OF MEMBRANE SCIENCE 716 (2024) . |
| APA | Wang, Zhi-Peng , Cheng, Ziyang , Liu, Qiaohong , Hou, Chunguang , An, Quan-Fu . Enhanced antifouling PSE hollow fiber membrane via zwitterionic copolymer segregation . | JOURNAL OF MEMBRANE SCIENCE , 2024 , 716 . |
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Abstract ：
Zwitterionic nanofiltration membranes, with high rejection to organic molecules while low rejection to monovalent salts, are promising for antibiotic desalination. However, due to the heterogeneous issue of interfacial polymerization, the residual amine groups result in polymer chain aggregation via hydrogen bonds, blocking the mass transfer of water and monovalent salts. Herein, EtOH-assisted Michael-addition/Schiff-base reaction strategy was proposed to solve the issue. NaOH was initially utilized to provisionally interrupt the hydrogen bonds between polymer chains. Meanwhile, with the assistance of EtOH, gallic acid diffused into the membrane and reacted with the amine groups on the polymer chains to form covalent bonds, which thoroughly destroyed the stacking of polymer chains. As a consequence, water permeance and antibiotic desalination efficiency of the membrane are improved. For example, the pure water permeance reaches 8.9 L m -2 h -1 bar - 1 , 1.7-fold enhancement compared with the pristine membrane. The membrane is applied for antibiotic desalination, offering long-term running stability, antifouling ability, as well as high efficiency in concentrated antibiotics.
Keyword ：
Post treatment Post treatment Antibiotic desalination Antibiotic desalination Zwitterionic nanofiltration membrane Zwitterionic nanofiltration membrane Targeted modification Targeted modification Hydrogen bond Hydrogen bond
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| GB/T 7714 | Tian, Na , Wu, Bin , Zhang, Wen-Hai et al. Tailoring the microstructure of zwitterionic nanofiltration membranes via post-treatment for antibiotic desalination [J]. | SEPARATION AND PURIFICATION TECHNOLOGY , 2024 , 349 . |
| MLA | Tian, Na et al. "Tailoring the microstructure of zwitterionic nanofiltration membranes via post-treatment for antibiotic desalination" . | SEPARATION AND PURIFICATION TECHNOLOGY 349 (2024) . |
| APA | Tian, Na , Wu, Bin , Zhang, Wen-Hai , Jin, Cheng-Gang , Yin, Ming-Jie , An, Quan-Fu . Tailoring the microstructure of zwitterionic nanofiltration membranes via post-treatment for antibiotic desalination . | SEPARATION AND PURIFICATION TECHNOLOGY , 2024 , 349 . |
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Abstract ：
Mixed matrix membranes exhibit enhanced selectivity and permeability, but stability still needs to be improved. In this study, we prepared ZIF-8/PEBA mixed matrix membranes with different loadings and used interface induction to control the directional distribution of nanoparticles. The controlled directional distribution of ZIF-8 in PEBA was studied by optical microscopy and scanning electron microscopy. The effects of different ZIF-8 loading amounts on the formation and pervaporation performance of mixed matrix membranes were thoroughly studied. The prepared membrane was applied to 1 wt% n-butanol aqueous solution, achieving a high flux of 4.9 kg m- 2 h-1 and a separation factor of 18.8. The directional distribution of nanoparticles in PEBA prevents direct contact with the feed liquid and effectively protects the structural stability of ZIF-8. The resulting ZIF-8/ PEBA membrane showed excellent stability after more than 100 h of operation.
Keyword ：
Liquid-liquid interface Liquid-liquid interface PEBA PEBA ZIF-8 ZIF-8 Mixed matrix membrane Mixed matrix membrane N-Butanol N-Butanol
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| GB/T 7714 | Cai, Peng , Li, Jie , Song, Danyang et al. Enhancing permeability and stability of ZIF-8/PEBA pervaporation membrane through interface-induced directional nanoparticle distribution [J]. | JOURNAL OF MEMBRANE SCIENCE , 2024 , 695 . |
| MLA | Cai, Peng et al. "Enhancing permeability and stability of ZIF-8/PEBA pervaporation membrane through interface-induced directional nanoparticle distribution" . | JOURNAL OF MEMBRANE SCIENCE 695 (2024) . |
| APA | Cai, Peng , Li, Jie , Song, Danyang , Zhang, Nai , An, Quan-Fu . Enhancing permeability and stability of ZIF-8/PEBA pervaporation membrane through interface-induced directional nanoparticle distribution . | JOURNAL OF MEMBRANE SCIENCE , 2024 , 695 . |
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| GB/T 7714 | Zhang, Wen -Hai , Yin, Ming-Jie , Jin, Cheng-Gang et al. Ice-crystal templating approach for tailoring mass transfer channels in graphene oxide membranes for high-performance dye/salt separation (vol 183, pg 119, 2021) [J]. | CARBON , 2024 , 221 . |
| MLA | Zhang, Wen -Hai et al. "Ice-crystal templating approach for tailoring mass transfer channels in graphene oxide membranes for high-performance dye/salt separation (vol 183, pg 119, 2021)" . | CARBON 221 (2024) . |
| APA | Zhang, Wen -Hai , Yin, Ming-Jie , Jin, Cheng-Gang , Liu, Zhi-Jie , Wang, Naixin , An, Quan-Fu . Ice-crystal templating approach for tailoring mass transfer channels in graphene oxide membranes for high-performance dye/salt separation (vol 183, pg 119, 2021) . | CARBON , 2024 , 221 . |
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Abstract ：
The increase demand on clean water accompanied with water shortage is now threatening the ecosystem and human life, which is aggravated with the rising of heavy-metal-ion polluted water. Thus, water purification from metal-ion contained wastewater is of significance. The metal ions removal could achieve two aims simultaneously: harvesting clean water and recovering the valuable metal resource. Nanofiltration (NF) membranes, featured with the nanopore size and energy-efficiency, demonstrate great promise for separation of metal ions from wastewater, which has not been fully exploited with the rapid growth of advanced materials. Thus, a summarization on the recent progress in this field is essential. In this review, we will start with the introduction of separation mechanism. Then, the possible materials used for NF membrane construction will be given. Subsequently, the commonly used NF fabrication techniques will be detailed with some examples. Next, the NF applications in treatment of various heavy metal ions polluted water will be thoroughly discussed. Finally, the perspectives future directions will be provided. This review is expected to shine a light on the fabrication of NF membranes for high-performance removal of heavy metal ions from the wastewater, realizing the water purification and metal recovery.
Keyword ：
Heavy metal ion removal Heavy metal ion removal Membrane materials Membrane materials Nanofiltration membrane Nanofiltration membrane Fabrication techniques Fabrication techniques
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| GB/T 7714 | Wanjiya, Mwema , Zhang, Jia-Chen , Wu, Bin et al. Nanofiltration membranes for sustainable removal of heavy metal ions from polluted water: A review and future perspective [J]. | DESALINATION , 2024 , 578 . |
| MLA | Wanjiya, Mwema et al. "Nanofiltration membranes for sustainable removal of heavy metal ions from polluted water: A review and future perspective" . | DESALINATION 578 (2024) . |
| APA | Wanjiya, Mwema , Zhang, Jia-Chen , Wu, Bin , Yin, Ming-Jie , An, Quan-Fu . Nanofiltration membranes for sustainable removal of heavy metal ions from polluted water: A review and future perspective . | DESALINATION , 2024 , 578 . |
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Abstract ：
Incorporating zwitterionic materials into polymer matrix is an effective method to fabricate high-performance ultrafiltration membranes, which can improve the surface hydrophilicity while optimizing the internal structure of the membrane. In this study, a series of zwitterionic copolymers, 4VP-MPC, were synthesized using 4vinylpyridine (4VP) and 2-methylacryloxyethyl phosphocholine (MPC), and their impact on the phase inversion process of polysulfate (PSE) was investigated thoroughly by changing the addition amount and altering the copolymer composition. The addition of 4VP-MPC accelerated the phase inversion rate, reduced the skin layer thickness and improved the membrane porosity. Moreover, the hydrophilicity of the membrane surface is enhanced due to the segregation of the zwitterionic copolymer during the membrane formation process. A novel PSE/4VP-MPC membrane with good separation performance and antifouling property was fabricated, with a pure water flux of 221 L/(m2 h bar), a BSA rejection rate of 93.3 %, and a flux recovery rate of 94.6 %. Additionally, when filtering the mixed simulated dialysate, the optimized membrane showed clearance rates of 71.3 % and 97.0 % for lysozyme and urea respectively, while maintaining a high BSA rejection. This PSE/4VP-MPC blend membrane demonstrated potential applications in the field of ultrafiltration, including hemodialysis.
Keyword ：
NIPS NIPS Surface segregation Surface segregation Zwitterionic copolymer Zwitterionic copolymer Ultrafiltration Ultrafiltration Polysulfate Polysulfate
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| GB/T 7714 | Yang, Ziyun , Liu, Qiaohong , Zhang, Qianru et al. The construction of polysulfate membrane with improved ultrafiltration performance via zwitterionic copolymer segregation [J]. | SEPARATION AND PURIFICATION TECHNOLOGY , 2024 , 341 . |
| MLA | Yang, Ziyun et al. "The construction of polysulfate membrane with improved ultrafiltration performance via zwitterionic copolymer segregation" . | SEPARATION AND PURIFICATION TECHNOLOGY 341 (2024) . |
| APA | Yang, Ziyun , Liu, Qiaohong , Zhang, Qianru , Shen, Yue , Shi, Yijie , Sun, Yushan et al. The construction of polysulfate membrane with improved ultrafiltration performance via zwitterionic copolymer segregation . | SEPARATION AND PURIFICATION TECHNOLOGY , 2024 , 341 . |
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Abstract ：
Mixed matrix membranes are attracting increasing attention due to their potential to provide selective channels in the polymer matrix. However, the compatibility and dispersion of nanoparticles in organic polymers are still challenging in membrane preparation procedure. Covalent organic frameworks (COFs) are excellent nano-fillers due to their good compatibility with organic polymers. In this work, LZU8 particles were incorporated into polydimethylsiloxane (PDMS) membranes. SEM observations showed that the LZU8 particles were well dispersed in the PDMS matrix. Additionally, the viscosity changes of membrane solution and the LF-NMR result of the crosslinked membranes showed that the incorporation of LZU8 could accelerate the crosslinking of the PDMS solution. The LZU8-PDMS membrane was applied for the pervaporation of 5 wt% ethanol/water solution, which exhibited a high flux of 5 kg m2 & sdot;h-1 and a separation factor of 11. Considering the compatibility of inorganic particles with polymer and the controlling of crosslinking could be critical factors in mixed matrix membranes fabrication procedure, this LZU8 can be a promising nano-filler for improving the performance of membranes.
Keyword ：
LZU8-PDMS LZU8-PDMS Crosslinking Crosslinking Mixed matrix membrane Mixed matrix membrane Ethanol recovery Ethanol recovery
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| GB/T 7714 | Song, Danyang , Li, Chong , Li, Jie et al. Incorporating COFs into PDMS matrix for accelerated crosslinking and efficient ethanol recovery [J]. | JOURNAL OF MEMBRANE SCIENCE , 2024 , 696 . |
| MLA | Song, Danyang et al. "Incorporating COFs into PDMS matrix for accelerated crosslinking and efficient ethanol recovery" . | JOURNAL OF MEMBRANE SCIENCE 696 (2024) . |
| APA | Song, Danyang , Li, Chong , Li, Jie , Cao, Tengxuan , Cai, Peng , Wang, Naixin et al. Incorporating COFs into PDMS matrix for accelerated crosslinking and efficient ethanol recovery . | JOURNAL OF MEMBRANE SCIENCE , 2024 , 696 . |
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Abstract ：
Alcohol-permselective pervaporation is a breakthrough technology in industrial separation applications. A highflux pervaporation membrane is demanded in cost saving. In this study, an ultrathin metal-organic framework (MOF) membrane was formed on a porous polymer substrate using a hydroxyl salt induced in situ growth method. Then, the obtained MOF membrane was modified through a sulfidation strategy to enhance the transport of alcohol molecules. The aperture of the MOFs was enlarged to form a hollow structure. Subsequently, polydimethylsiloxane was spin-coated on the MOF membrane to eliminate the grain boundary defects and improve the hydrophobicity, without increasing the thickness of the MOF layer. Based on the ultra-fast transport channels, the modified MOF membrane exhibited an ultrahigh flux of 11.6 kg m(- 2) h(-1) with comparable separation factors for 5 wt% ethanol aqueous solution at 60 degree celsius. The diffusion mechanism of alcohol molecules was confirmed by the molecular dynamic simulation.
Keyword ：
Post-synthetic modification Post-synthetic modification Alcohol-permselective Alcohol-permselective Pervaporation Pervaporation Ultra-fast transport channel Ultra-fast transport channel MOF membrane MOF membrane
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| GB/T 7714 | Wang, Fengkai , Sun, Hao , Shen, Mengxin et al. Hydrophobic ultrathin MOF membranes with tuning pore structure for efficient alcohol-permselective pervaporation [J]. | JOURNAL OF MEMBRANE SCIENCE , 2024 , 698 . |
| MLA | Wang, Fengkai et al. "Hydrophobic ultrathin MOF membranes with tuning pore structure for efficient alcohol-permselective pervaporation" . | JOURNAL OF MEMBRANE SCIENCE 698 (2024) . |
| APA | Wang, Fengkai , Sun, Hao , Shen, Mengxin , Li, Jie , Wang, Naixin , Meng, Hong et al. Hydrophobic ultrathin MOF membranes with tuning pore structure for efficient alcohol-permselective pervaporation . | JOURNAL OF MEMBRANE SCIENCE , 2024 , 698 . |
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