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学者姓名：林小城
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Abstract ：
Sustainable chemistry principles underscore the pivotal role of solvent-free processes in the fabrication of anion exchange membranes (AEMs). This study presents an eco-friendly, solvent-free approach for AEM preparation via photopolymerization, utilizing 4-vinylpyridine as the monomer and divinylbenzene as the crosslinking agent. The polymerization, conducted at ambient temperature and completed within 20 min, was followed by post-polymerization N-alkylation with ethyl bromide to introduce pyridinium groups. The precise modulation of crosslinking and N-alkylation levels enabled meticulous control over the membranes' intrinsic chemical properties and their functional effectiveness in electrodialysis desalination. The optimal membrane's area resistance was recorded at 1.09 Omega cm2, while its transport number reached 0.965, outperforming the commercial AMV AEM in desalination efficacy. This work underscores the promise of solvent-free photopolymerization as a sustainable, high-performance strategy for fabricating AEMs, providing substantial advancements in both environmental sustainability and electrodialysis desalination performance.
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| GB/T 7714 | Cheng, Yafei , Zhang, Huanhuan , Yuan, Lei et al. Sustainable synthesis of high-performance anion exchange membranes for electrodialysis desalination via photopolymerization [J]. | JOURNAL OF MEMBRANE SCIENCE , 2025 , 721 . |
| MLA | Cheng, Yafei et al. "Sustainable synthesis of high-performance anion exchange membranes for electrodialysis desalination via photopolymerization" . | JOURNAL OF MEMBRANE SCIENCE 721 (2025) . |
| APA | Cheng, Yafei , Zhang, Huanhuan , Yuan, Lei , Shao, Haiyang , Lin, Xiaocheng . Sustainable synthesis of high-performance anion exchange membranes for electrodialysis desalination via photopolymerization . | JOURNAL OF MEMBRANE SCIENCE , 2025 , 721 . |
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Diffusion dialysis (DD) presents a highly promising and cost-efficient approach for acid recovery, yet its performance is often hindered by the acid permeability of anion exchange membranes (AEMs). To address this challenge, a one-step approach has been developed to fabricate porous AEMs. Using brominated polyphenylene oxide (BPPO) as the porous base membrane, imidazole is employed for in-situ crosslinking and cationization. This approach not only retains the inherent porosity (>63.5 %) of the base membrane but also achieves an exceptionally thin selective layer (<0.3 mu m), thereby creating abundant free space volume. Through a concurrent enhancement of ion transport sites and crosslinking density, the membrane effectively breaks acid permeability-selectivity trade-off. The optimal IPPO-20h AEM demonstrates a remarkable increase in both the acid dialysis coefficient (U-H+ = 34.1 x 10(-3) m/h) and separation factor (S-H+/(Fe)2+ = 573.8) in the HCl/FeCl2 system, with enhancements of 4- and 31-fold, respectively, compared to the commercial DF120 AEM, at 25 degrees C. This high-performance AEM, synthesized via a straightforward and mild process, offers significant potential for large-scale acid recovery applications.
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| GB/T 7714 | Shao, Haiyang , Tan, Zhengke , Cheng, Yafei et al. One-step fabrication of porous anion exchange membranes for acid recovery breaking acid permeability-selectivity trade-off [J]. | JOURNAL OF MEMBRANE SCIENCE , 2025 , 723 . |
| MLA | Shao, Haiyang et al. "One-step fabrication of porous anion exchange membranes for acid recovery breaking acid permeability-selectivity trade-off" . | JOURNAL OF MEMBRANE SCIENCE 723 (2025) . |
| APA | Shao, Haiyang , Tan, Zhengke , Cheng, Yafei , Yue, Xiang'an , Yuan, Lei , Jian, Weixiong et al. One-step fabrication of porous anion exchange membranes for acid recovery breaking acid permeability-selectivity trade-off . | JOURNAL OF MEMBRANE SCIENCE , 2025 , 723 . |
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Dispersion of SiO2 particles in aqueous solutions using block copolymers remains challenging, particularly due to degradation in highly alkaline environments and difficulty in achieving high solid content. Herein, we report the synthesis of an anionic block copolymer, poly(glyceryl methacrylate-b-sodium p-styrenesulfonate) (PGGMA-b-PSSS), containing abundant hydroxyl groups, via reversible addition-fragmentation chain transfer (RAFT) polymerization of sodium p-styrenesulfonate and glycidyl methacrylate monomers. The hydroxyl groups in PGGMA-b-PSSS serve as anchoring points, producing a steric hindrance effect between SiO2 particles by interacting with silanol groups on the particle surface. Furthermore, electrostatic repulsion from the poly(sodium p-styrenesulfonate) block significantly enhances the dispersibility of PGGMA-b-PSSS in aqueous systems. A systematic investigation of the dispersibility of SiO2 particles was conducted under various compositions and concentrations of PGGMA-b-PSSS across a wide alkaline pH range. Our results show the effective dispersion of sub-micron and micron-sized SiO2 particles, achieving solid contents of up to 35 wt% over a wide pH range (3–13). © 2025 Elsevier B.V.
Keyword ：
Alkalinity Alkalinity Anionic polymerization Anionic polymerization Block copolymers Block copolymers Dispersions Dispersions Living polymerization Living polymerization
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| GB/T 7714 | You, Jiejian , Jiang, Qing , Sun, Shihao et al. Efficient dispersion of high-content SiO2 particles across a broad pH range with anionic block copolymer in aqueous solution: An experiment and mechanism study [J]. | Journal of Molecular Liquids , 2025 , 429 . |
| MLA | You, Jiejian et al. "Efficient dispersion of high-content SiO2 particles across a broad pH range with anionic block copolymer in aqueous solution: An experiment and mechanism study" . | Journal of Molecular Liquids 429 (2025) . |
| APA | You, Jiejian , Jiang, Qing , Sun, Shihao , Lin, Xiaocheng , Sui, Jincheng , Liao, Xiafeng et al. Efficient dispersion of high-content SiO2 particles across a broad pH range with anionic block copolymer in aqueous solution: An experiment and mechanism study . | Journal of Molecular Liquids , 2025 , 429 . |
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According to the hydration size and charge property of separated ions, the transport channel can be constructed to achieve precision ion separation, but the ion geometry as a separation parameter to design the channel structure is rarely reported. Herein, a reverse-selective anion separation membrane composed of a metal-organic frameworks (MOFs) layer with a charged "hourglass" channel as an ion-selective switch to manipulate oxoanion transport is developed. The gate in "hourglass" with tetrahedral geometry similar to the oxoanion (such as SO2- 4, Cr 2O2- 7, and MnO- 4) boosts the transmission effect oxoanion much larger than Cl- through geometric matching and Coulomb interaction. Specific channel structure exhibits an abnormal selectivity for SO2- 4/Cl- of 20, Cr 2O2- 7/Cl- of 6.6, and MnO- 4/Cl- of 4.0 in a binary-ion system. The transfer behavior of SO2- 4 in the channel revealed by molecular dynamics simulation and density functional theory calculation further indicates the mechanism of the abnormal separation performance. The universality of the membrane structure is validated by the formation of different nitrogen-containing modified layers, which also achieves in situ growth of the MOFs layer, and exhibits similar reversal separation performance. The geometric configuration control of ion transport channels presents a novel effective strategy to realize the precise separation of target ions. The metal-organic frameworks (MOFs) layer membrane with a charged "hourglass" gate exhibits high reverse-selectivity of oxoanion/Cl- ions and high flux of oxoanion. The free sulfate (F-SO2- 4) used to construct the gate utilizes the geometric matching and Coulomb interaction generated by its tetrahedral structure and charge to promote the transfer of oxoanions with similar geometric configurations. image
Keyword ：
anion selectivity anion selectivity channel configuration channel configuration geometric matching geometric matching metal-organic frameworks metal-organic frameworks
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| GB/T 7714 | Wu, Bin , Yan, Yunfei , Chu, Xiaorui et al. Reverse-Selective Anion Separation Relies on Charged "Hourglass" Gate [J]. | SMALL , 2024 , 20 (45) . |
| MLA | Wu, Bin et al. "Reverse-Selective Anion Separation Relies on Charged "Hourglass" Gate" . | SMALL 20 . 45 (2024) . |
| APA | Wu, Bin , Yan, Yunfei , Chu, Xiaorui , Miao, Jibin , Ge, Qianqian , Lin, Xiaocheng et al. Reverse-Selective Anion Separation Relies on Charged "Hourglass" Gate . | SMALL , 2024 , 20 (45) . |
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Severe surface fouling of nanofiltration (NF) has hindered its practical implementation in treating dye-containing wastewater from the textile industry. To address this fouling issue, a novel thin-film nanocomposite NF membrane (TFNx) was proposed by embedding catalytic manganese dioxide (MnO2) nanoparticles within polyamide (PA) rejection layer to realize in situ Fenton-like advanced oxidation self-cleaning. The incorporation of MnO2 nanoparticles was validated to moderately reduce the degree of cross-linking of the PA layer, thereby obtaining an enhanced surface hydrophilicity. The inclusion of MnO2 nanoparticles increased the surface hydrophilicity, resulting in a higher water permeance (TFN10 18.1 +/- 0.7 L m(-2) h(-1) bar(-1)) that was 57.4% higher than that of the control thin film nanocomposite (TFC) membrane, while a high dye rejection was maintained. In addition, the presence of catalytically capable MnO2 nanoparticles in the Fenton-like reaction led to membrane self-cleaning and demonstrated a better antifouling behavior. The generation of free radicals was triggered by the addition of peroxymonosulfate (PMS). Furthermore, the impacts of operational conditions on membrane self-cleaning performance and operation stability were comprehensively investigated.
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| GB/T 7714 | Mei, Ying , Huang, Yushan , Wang, Qirui et al. Self-Cleaning Thin Film Polyamide Manganese Dioxide Nanocomposite Membrane via Peroxymonosulfate Activation [J]. | INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH , 2024 , 63 (42) : 18108-18119 . |
| MLA | Mei, Ying et al. "Self-Cleaning Thin Film Polyamide Manganese Dioxide Nanocomposite Membrane via Peroxymonosulfate Activation" . | INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH 63 . 42 (2024) : 18108-18119 . |
| APA | Mei, Ying , Huang, Yushan , Wang, Qirui , Qiu, Yujing , Yang, Yi , Shu, Wei et al. Self-Cleaning Thin Film Polyamide Manganese Dioxide Nanocomposite Membrane via Peroxymonosulfate Activation . | INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH , 2024 , 63 (42) , 18108-18119 . |
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Microfluidic synthesis has emerged as a promising method for synthesizing metal-organic frameworks (MOFs). It overcomes the limitations of the traditional solvothermal method to regulate the structure and function of the MOFs. This study synthesized various MOFs with different structures and functions by controlling the reaction time and the ratio of metal ions to organic ligands through microfluidics and investigated their CO2 adsorption properties. The results showed that the microfluidic synthesized defective and hierarchical pore MOF-808 improved the adsorption performance of CO2 by nearly 110% and 30%, respectively, compared with solvothermal synthesized MOF-808.
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| GB/T 7714 | Ge, Xuehui , Liu, Zihan , Wei, Nanjie et al. Microfluidic Synthesis of Defective and Hierarchical Pore Zr Metal-Organic Framework Materials and CO2 Adsorption Performance Study [J]. | CRYSTAL GROWTH & DESIGN , 2024 , 24 (21) : 9084-9096 . |
| MLA | Ge, Xuehui et al. "Microfluidic Synthesis of Defective and Hierarchical Pore Zr Metal-Organic Framework Materials and CO2 Adsorption Performance Study" . | CRYSTAL GROWTH & DESIGN 24 . 21 (2024) : 9084-9096 . |
| APA | Ge, Xuehui , Liu, Zihan , Wei, Nanjie , Lin, Xiaocheng , Hu, Cejun . Microfluidic Synthesis of Defective and Hierarchical Pore Zr Metal-Organic Framework Materials and CO2 Adsorption Performance Study . | CRYSTAL GROWTH & DESIGN , 2024 , 24 (21) , 9084-9096 . |
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A green anion exchange membrane for electrodialysis desalination was synthesized using a solvent-free photo polymerization approach. Vinylbenzyl chloride (monomer), tripropylene glycol diacrylate (crosslinker), and photoinitiator were mixed and subjected to UV polymerization for 20 min to create the base membrane, followed by positive charge modification with 1-methylimidazole. This method avoids organic solvents, offering economic and environmental benefits. By adjusting the degrees of crosslinking and positive charge, precise control over the membrane's microstructure and properties was achieved. The optimized membrane showed an area resistance 1.67 Omega cm(2) and a transport number of 0.956, demonstrating exceptional electrochemical performance. Under comparable conditions, the optimized membrane improved the NaCl removal rate by 11.47 %, increased current efficiency by 10.61 %, and reduced energy consumption by 16.75 % compared to commercial AMV membrane, highlighting its potential for scalable seawater desalination through electrodialysis.
Keyword ：
Anion exchange membrane Anion exchange membrane Desalination Desalination Electrodialysis Electrodialysis Photo-polymerization Photo-polymerization Solvent-free Solvent-free
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| GB/T 7714 | Ge, Xuehui , Zhang, Huanhuan , Cheng, Yafei et al. Solvent-free green synthesis of anion exchange membranes via photo-polymerization for efficient desalination by electrodialysis [J]. | DESALINATION , 2024 , 592 . |
| MLA | Ge, Xuehui et al. "Solvent-free green synthesis of anion exchange membranes via photo-polymerization for efficient desalination by electrodialysis" . | DESALINATION 592 (2024) . |
| APA | Ge, Xuehui , Zhang, Huanhuan , Cheng, Yafei , Shao, Haiyang , Yuan, Lei , Shen, Senbin et al. Solvent-free green synthesis of anion exchange membranes via photo-polymerization for efficient desalination by electrodialysis . | DESALINATION , 2024 , 592 . |
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The electrocatalytic oxidation of 5-hydroxymethylfurfural (HMF) represents a promising pathway for producing biomass-derived value-added chemicals. Nevertheless, the use of extremely expensive ion exchange membranes (IEMs) as separators significantly sacrifices the economic benefit in large-scale applications. Herein, we report a cost-effective non-fluorine cation exchange membrane (CEM) by grafting sulfonic acid (-SO3- ) groups onto the aromatic side chain of the polyethersulfone (PES) polymer. By tuning the content of -SO3 - groups, the physicochemical properties of the resulting CEMs can be easily adjusted. Impressively, the optimal HBS-PES-1.0 CEM with fully grafted -SO3- groups can achieve a high HMF conversion of 100 %, FDCA selectivity of 98.0 %, and Faradaic efficiency of 98.3 % when used as the separator for electrocatalytic oxidation of HMF, surpassing that of the commercial Nafion 117 membrane (100 % HMF conversion, 98.1 % FDCA selectivity, and 97.4 % Faradaic efficiency). This study provides a cost-effective and high-performance CEM as a substitute for the expensive commercial membrane, paving the way to large-scale commercial applications of biomass upgrading through the electrolysis process.
Keyword ：
Biomass upgrading Biomass upgrading Cation exchange membrane Cation exchange membrane HMF electrocatalytic oxidation HMF electrocatalytic oxidation Side -chain type Side -chain type
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| GB/T 7714 | Zhang, Hongwei , Xu, Hao , Zhu, Zhen et al. Construction of non-fluorine side-chain cation exchange membranes for efficient 5-hydroxymethylfurfural electrocatalytic oxidation [J]. | JOURNAL OF MEMBRANE SCIENCE , 2024 , 706 . |
| MLA | Zhang, Hongwei et al. "Construction of non-fluorine side-chain cation exchange membranes for efficient 5-hydroxymethylfurfural electrocatalytic oxidation" . | JOURNAL OF MEMBRANE SCIENCE 706 (2024) . |
| APA | Zhang, Hongwei , Xu, Hao , Zhu, Zhen , Huang, Jinming , Zhang, Bowen , Cheng, Yafei et al. Construction of non-fluorine side-chain cation exchange membranes for efficient 5-hydroxymethylfurfural electrocatalytic oxidation . | JOURNAL OF MEMBRANE SCIENCE , 2024 , 706 . |
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D-Allulose, a C-3 epimer of d-fructose, has great market potential in food, healthcare, and medicine due to its excellent biochemical and physiological properties. Microbial fermentation for d-allulose production is being developed, which contributes to cost savings and environmental protection. A novel metabolic pathway for the biosynthesis of d-allulose from a d-xylose-methanol mixture has shown potential for industrial application. In this study, an artificial antisense RNA (asRNA) was introduced into engineered Escherichia coli to diminish the flow of pentose phosphate (PP) pathway, while the UDP-glucose-4-epimerase (GalE) was knocked out to prevent the synthesis of byproducts. As a result, the d-allulose yield on d-xylose was increased by 35.1%. Then, we designed a d-xylose-sensitive translation control system to regulate the expression of the formaldehyde detoxification operon (FrmRAB), achieving self-inductive detoxification by cells. Finally, fed-batch fermentation was carried out to improve the productivity of the cell factory. The d-allulose titer reached 98.6 mM, with a yield of 0.615 mM/mM on d-xylose and a productivity of 0.969 mM/h.
Keyword ：
d-allulose d-allulose Escherichia coli Escherichia coli fermentation fermentation metabolic engineering metabolic engineering
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| GB/T 7714 | Guo, Qiang , Zheng, Ling-Jie , Zheng, Shang-He et al. Enhanced Biosynthesis of d-Allulose from a D-Xylose-Methanol Mixture and Its Self-Inductive Detoxification by Using Antisense RNAs in Escherichia coli [J]. | JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY , 2024 , 72 (26) : 14821-14829 . |
| MLA | Guo, Qiang et al. "Enhanced Biosynthesis of d-Allulose from a D-Xylose-Methanol Mixture and Its Self-Inductive Detoxification by Using Antisense RNAs in Escherichia coli" . | JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 72 . 26 (2024) : 14821-14829 . |
| APA | Guo, Qiang , Zheng, Ling-Jie , Zheng, Shang-He , Zheng, Hui-Dong , Lin, Xiao-Cheng , Fan, Li-Hai . Enhanced Biosynthesis of d-Allulose from a D-Xylose-Methanol Mixture and Its Self-Inductive Detoxification by Using Antisense RNAs in Escherichia coli . | JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY , 2024 , 72 (26) , 14821-14829 . |
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Poor water removal of low-molecular-weight anthropogenic contaminants is always a key problem in lowpressure membrane filtration process. In this work, we successfully designed and fabricated a novel cobaltbased bimetallic catalytic ceramic membrane (CoFe2O4@CM-2) with peroxymonosulfate (PMS) activation and membrane filtration dual functionality, employing a facile impregnation-filtration-calcination method. The resulting CoFe2O4@CM-2/PMS filtration system was specifically tailored for the removal of carbamazepine (CBZ). Our results demonstrate that the CoFe2O4@CM-2/PMS system achieved efficient removal of CBZ from contaminated waters. Under optimal conditions (PMS dosage of 0.5 mM and an operating flux of 40 L center dot m- 2 center dot h- 1), the CoFe2O4@CM-2/PMS system exhibited remarkable CBZ removal efficiency, reaching up to 96.5 %. This efficiency was 32.2 and 19.3 times higher than that achieved by ceramic membrane filtration alone and PMS treatment alone, respectively. Additionally, the CoFe2O4@CM-2/PMS system facilitated 37.0 % mineralization of CBZ and up to 87 % utilization of PMS in the permeate. Furthermore, the CoFe2O4@CM-2/PMS system demonstrated robust performance, removing over 91 % of CBZ across a pH range of 3-9 and maintaining stability stability in the presence of humic acid (HA) interference. Its exceptional anti-fouling ability effectively mitigates membrane flux loss compared to single membrane filtration process. Quenching test, electron paramagnetic resonance (EPR), and X-ray photoelectron spectroscopy (XPS) analyses revealed that 1O2, SO-4 center dot and center dot OH were the primary active substances in the system, while the redox cycle of Co2+/Co3+ played a crucial role in PMS activation. Moreover, the presence of iron (Fe) in the CoFe2O4@CM-2 expedited the Co2+/Co3+ cycle and enhanced PMS activation. This study introduces an innovative approach for fabricating ceramic membranes with catalytic degradation capabilities for organic pollutants and suggests promising avenues for integrating separation and advanced oxidation processes (AOPs) in future applications.
Keyword ：
Carbamazepine Carbamazepine Catalytic ultrafiltration ceramic membrane Catalytic ultrafiltration ceramic membrane Cobalt-based catalyst Cobalt-based catalyst Peroxymonosulfate Peroxymonosulfate
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| GB/T 7714 | Ge, Yao , Zhong, Xincheng , Wang, Kai et al. CoFe2O4-catalytic ceramic membrane for efficient carbamazepine removal via peroxymonosulfate activation [J]. | SEPARATION AND PURIFICATION TECHNOLOGY , 2024 , 357 . |
| MLA | Ge, Yao et al. "CoFe2O4-catalytic ceramic membrane for efficient carbamazepine removal via peroxymonosulfate activation" . | SEPARATION AND PURIFICATION TECHNOLOGY 357 (2024) . |
| APA | Ge, Yao , Zhong, Xincheng , Wang, Kai , Huang, Lili , Zheng, Zhi , Wu, Chenzhi et al. CoFe2O4-catalytic ceramic membrane for efficient carbamazepine removal via peroxymonosulfate activation . | SEPARATION AND PURIFICATION TECHNOLOGY , 2024 , 357 . |
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