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学者姓名：盖庆春
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Abstract ：
Membrane fouling is a significant challenge in membrane-based water treatment processes, significantly impairing water recovery efficiency and reducing membrane lifespan. Electrochemically assisted membrane cleaning (EAMC), which employs electrons as the reaction medium, has demonstrated effectiveness in removing various membrane foulants, thereby mitigating fouling. As an emerging technique free of solvents and chemicals, EAMC has received considerable research attention, with a large number of studies published in recent years. However, reviews in this field remain scarce, underscoring the need for an updated study to guide future research. This article offers a critical review of the recent advancements in EAMC. It begins with an exploration of the mechanisms of membrane fouling induced by different contaminants, followed by a thorough examination of the operational principles and factors of EAMC. The review then delves into the fouling removal mechanisms and the practical applications of EAMC, evaluates the strengths and limitations of this innovative approach, and concludes with a discussion of the challenges and potential future directions in EAMC research. This work provides valuable insights into the development and application of EAMC technology.
Keyword ：
Electrochemistry Electrochemistry Membrane cleaning Membrane cleaning Membrane fouling Membrane fouling Membrane separation Membrane separation Water treatment Water treatment
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| GB/T 7714 | Kang, Xianyu , Ge, Qingchun . A critical review on the mechanism, progress and challenge of electrochemically assisted membrane cleaning in water treatment [J]. | DESALINATION , 2025 , 597 . |
| MLA | Kang, Xianyu 等. "A critical review on the mechanism, progress and challenge of electrochemically assisted membrane cleaning in water treatment" . | DESALINATION 597 (2025) . |
| APA | Kang, Xianyu , Ge, Qingchun . A critical review on the mechanism, progress and challenge of electrochemically assisted membrane cleaning in water treatment . | DESALINATION , 2025 , 597 . |
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A large amount of organophosphorus-containing wastewater is produced in spent lithium-ion battery disposal. Forward osmosis (FO) offers unique advantages in purifying this kind of wastewater if suitable draw solutes - the core of FO technology, are available. Herein we synthesize several pH-sensitive zinc complexes, namely ZnATMP-iNa (i = 0, 1, 2, 3, 4), from ZnSO4 and amino tris(methylene phosphonic acid) (ATMP) obtained from scale inhibitor wastes for organophosphorus-containing wastewater remediation. Among these ZnATMP-iNa, ZnATMP-3Na best meets the standards of an ideal draw solute. This makes ZnATMP-3Na outperform other reported draw solutes. 0.6 M ZnATMP-3Na produces a water flux of 12.7 LMH, 136 % higher than that of NaCl and a solute loss of 0.015 g/L, lower than that of NH4HCO3 (0.83 g/L). In organophosphorus-containing wastewater treatment, ZnATMP-3Na has higher water recovery efficiency (8.3 LMH) and sustainability than NaCl and NH4HCO3, and is sufficient to handle large quantities of wastewater. Remarkably, the pH-responsive property allows ZnATMP-3Na to be readily recovered through pH-control and reused in FO. The ionic property, expanded cage-like structure and easy-recycling make ZnATMP-3Na achieve sustainable FO separation and superior to other draw solutes. This study provides inspiration for draw solute design from wastes and extends FO application to organophosphorus-containing wastewater remediation.
Keyword ：
Draw solute Draw solute Forward osmosis Forward osmosis Organophosphorus-containing wastewater Organophosphorus-containing wastewater pH-Responsive complex pH-Responsive complex Spent lithium-ion battery Spent lithium-ion battery
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| GB/T 7714 | Zhang, Jiawen , Ge, Qingchun . Recycling scale inhibitor wastes into pH-responsive complexes to treat wastewater produced from spent lithium-ion battery disposal [J]. | WATER RESEARCH , 2024 , 260 . |
| MLA | Zhang, Jiawen 等. "Recycling scale inhibitor wastes into pH-responsive complexes to treat wastewater produced from spent lithium-ion battery disposal" . | WATER RESEARCH 260 (2024) . |
| APA | Zhang, Jiawen , Ge, Qingchun . Recycling scale inhibitor wastes into pH-responsive complexes to treat wastewater produced from spent lithium-ion battery disposal . | WATER RESEARCH , 2024 , 260 . |
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The demand to recover value-added resource is intensified due to the accelerating growth of resource waste with wastewater discharge. Here we design pH-responsive sodium salts of an imidazole-based ionic solid (im-IS), imIS-Na and im-IS-2Na, as draw solutes for forward osmosis (FO) to achieve resource recovery. im-IS-Na and im-IS2Na both have an expanded structure and contain multiple ionic moieties. These attributes make them generate a sufficient driving force for FO separation and negligible solute losses. Consequently, im-IS-Na and im-IS-2Na at 1.0 M produce pure water fluxes of 27.5 LMH and 32.0 LMH, respectively, increased up to 128 % relative to those of conventional draw solutes. im-IS-Na can concentrate the glycine-containing solution efficiently with a water flux of 17.6 LMH, 183 % and 25 % higher than those of NaCl and NH4HCO3, 4 HCO 3 , separately. Particularly, im-IS-Na preserves the glycine product intact, whereas NaCl and NH4HCO3 4 HCO 3 either denature or contaminate it resulting from their severe reverse diffusion. im-IS-Na and im-IS-2Na are conveniently regenerated by pH regulation involving no organic solvent and external pressure which are commonly used in recycling other draw solutes. imIS-Na and im-IS-2Na thus demonstrate their superiority as FO draw solutes to recover value-added resources.
Keyword ：
Draw solution Draw solution Forward osmosis Forward osmosis Ionic solid Ionic solid pH-responsive material pH-responsive material Resource recovery Resource recovery
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| GB/T 7714 | Liu, Xiangfang , Qiu, Fengrong , Yu, Yan et al. Value-added resource recovery through forward osmosis promoted by pH-responsive biscarboxyimidazolium materials [J]. | DESALINATION , 2024 , 587 . |
| MLA | Liu, Xiangfang et al. "Value-added resource recovery through forward osmosis promoted by pH-responsive biscarboxyimidazolium materials" . | DESALINATION 587 (2024) . |
| APA | Liu, Xiangfang , Qiu, Fengrong , Yu, Yan , Shi, Yongqian , Zheng, Zhihong , Zhang, Jingyun et al. Value-added resource recovery through forward osmosis promoted by pH-responsive biscarboxyimidazolium materials . | DESALINATION , 2024 , 587 . |
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Purifying water contaminated with emulsified oil via forward osmosis (FO) is still plagued by low water recovery efficiency and poor fouling resistance of membrane. Herein we design a series of arginine-copper complexes to construct antifouling FO membranes from a polyamide membrane (PA-M) for oily water reclamation. A modification layer abundant in Cu2+ and guanidino is formed on the PA selective surface. It endows the membranes with desired structural and physicochemical properties that benefit the FO separation. The membrane functionalized with copper arginine sulfate (CAS-M) outperforms PA-M with water fluxes enhanced by 151 % against DI water. CAS-M also achieves higher oil-water separation efficiency with the water recovery rate increased by 94 % compared to that of PA-M when 3000 ppm emulsified oil as the feed. Remarkably, CAS-M exhibits excellent antifouling and antibacterial performance with a 98 % antibacterial rate and easier cleaning property after being fouled. Favorable physicochemical and structural characteristics as well as advantageous water transfer properties are the major benefits of CAS-M. This makes CAS-M outperform PA-M and other recently reported FO membranes with exceptional water permeability and antifouling ability. This study demonstrates an eco-friendly protocol to develop antifouling and antibacterial FO membrane for sustainable oily water purification.
Keyword ：
Antibacterial property Antibacterial property Forward osmosis Forward osmosis Fouling resistance Fouling resistance Membrane modification Membrane modification Oily water reclamation Oily water reclamation
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| GB/T 7714 | Chen, Yichen , Yu, Yan , Yang, Liming et al. Sustainable oily water reclamation through forward osmosis assisted by fouling-resistant membranes functionalized with arginine derivatives [J]. | JOURNAL OF MEMBRANE SCIENCE , 2024 , 713 . |
| MLA | Chen, Yichen et al. "Sustainable oily water reclamation through forward osmosis assisted by fouling-resistant membranes functionalized with arginine derivatives" . | JOURNAL OF MEMBRANE SCIENCE 713 (2024) . |
| APA | Chen, Yichen , Yu, Yan , Yang, Liming , Ge, Qingchun . Sustainable oily water reclamation through forward osmosis assisted by fouling-resistant membranes functionalized with arginine derivatives . | JOURNAL OF MEMBRANE SCIENCE , 2024 , 713 . |
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The demand to improve the chlorine resistance of polyamide (PA) membranes is escalated with greater amounts of chlorine-containing disinfectant being used in global water treatment during the COVID-19 pandemic. In this work, we designed thiophene-functionalized poly(ethyleneimine) (TPEI) materials first and grafted them onto a conventional PA membrane to develop novel nanofiltration membranes (PEI-M, TPEI-1-M, TPEI-2-M). These membranes have dual-functionalized selective surfaces covered by hydrophilic amino groups and electron-rich thiophene moieties, which endow these membranes with superior chlorine resistance and improved separation performance. The modified membranes increase the rejection of MgCl2 from 86.5% of the nascent PA membrane (PA-M) to higher than 93.0% without sacrificing the membrane water permeability. More stable separation performance is achieved with all of the as-prepared membranes than PA-M after exposure to a 2000 ppm sodium hypochlorite solution. TPEI-2-M outperforms other membranes after being treated in a chlorination intensity of 16,000 ppm center dot h with the smallest flux loss and the highest MgCl2 rejection. This is mainly ascribed to the highest amount of amino and thiophene moieties on the TPEI-2-M surface. This study provides an effective protocol for developing novel PA-based nanofiltration membranes while demonstrating its superiority over current technologies with exceptional separation performance and antichlorine ability.
Keyword ：
chlorine resistance chlorine resistance membrane modification membrane modification nanofiltration membrane nanofiltration membrane thiophene-poly(ethyleneimine) material thiophene-poly(ethyleneimine) material water treatment water treatment
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| GB/T 7714 | Cheng, Luyang , Meng, Qing-Wei , Ge, Qingchun . Construction and Chlorine Resistance of Thiophene-Poly(ethyleneimine)-Based Dual-Functional Nanofiltration Membranes [J]. | ACS APPLIED MATERIALS & INTERFACES , 2023 , 15 (7) : 10018-10029 . |
| MLA | Cheng, Luyang et al. "Construction and Chlorine Resistance of Thiophene-Poly(ethyleneimine)-Based Dual-Functional Nanofiltration Membranes" . | ACS APPLIED MATERIALS & INTERFACES 15 . 7 (2023) : 10018-10029 . |
| APA | Cheng, Luyang , Meng, Qing-Wei , Ge, Qingchun . Construction and Chlorine Resistance of Thiophene-Poly(ethyleneimine)-Based Dual-Functional Nanofiltration Membranes . | ACS APPLIED MATERIALS & INTERFACES , 2023 , 15 (7) , 10018-10029 . |
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The demand to remove Co2+ ions from industrial wastewater is escalated due to the rapid growth of lithium-ion batteries (LIB) as power storage in personal electronic devices. Herein we report a novel cobalt-based draw solute, Co-Bet-Tf2N, synthesized from lithium-ion battery (LIB) wastes, in a forward osmosis (FO) process to purify Co2+-containing wastewater discharged from the LIB industry. Co-Bet-Tf2N possesses abundant -NMe3+ groups and releases multiple ionic species in water, allowing it to produce a high osmotic pressure to drive FO separation efficiently; meanwhile its three-dimensional structure prevents the reverse Co-Bet-Tf2N diffusion in FO experiments. Consequently, a dilute Co-Bet-Tf2N solution (0.2 mol/L) generates a water flux as high as 14.7 LMH along with a negligible solute loss (< 0.02 g/L), outperforming other reported draw solutes. Moreover, Co-Bet-Tf2N extracts water from the Co2+-containing wastewater more efficiently with a water flux 232 % and 174 % higher than those of the conventional NaCl and MgCl2 draw solutes, respectively. Particularly, Co-Bet-Tf2N is easily regenerated via the [Hbet][Tf2N]-based extraction without energy input, thus more practical than the recycling of other draw solutes reported elsewhere. This study not only demonstrates the superiority of Co-Bet-Tf2N as a novel draw solute, but achieves effective waste reuse and wastewater reclamation.
Keyword ：
Draw solute Draw solute Forward osmosis Forward osmosis lithium-ion battery lithium-ion battery Waste reuse Waste reuse Wastewater reclamation Wastewater reclamation
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| GB/T 7714 | Chen, Rongzhen , Qiu, Fengrong , Meng, Qing-Wei et al. A cobalt-based forward osmosis draw solute synthesized from lithium-ion battery wastes for cobalt-containing wastewater purification [J]. | DESALINATION , 2023 , 548 . |
| MLA | Chen, Rongzhen et al. "A cobalt-based forward osmosis draw solute synthesized from lithium-ion battery wastes for cobalt-containing wastewater purification" . | DESALINATION 548 (2023) . |
| APA | Chen, Rongzhen , Qiu, Fengrong , Meng, Qing-Wei , Chung, Tai-Shung , Ge, Qingchun . A cobalt-based forward osmosis draw solute synthesized from lithium-ion battery wastes for cobalt-containing wastewater purification . | DESALINATION , 2023 , 548 . |
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The demand to effectively treat medical wastewater has escalated with the much greater use of antiviral drugs since the COVID-19 pandemic. Forward osmosis (FO) has great potential in wastewater treatment only when appropriate draw solutes are available. Here, we synthesize a series of smart organic-inorganic polyoxomolybdates (POMs), namely, (NH4)6[Mo7O24], (PrNH3)6[Mo7O24], (iPrNH3)6[Mo7O24], and (BuNH3)6[Mo7O24], for FO to treat antiviral-drug wastewater. Influential factors of separation performance have been systematically studied by tailoring the structure, organic characteristics, and cation chain length of POMs. POMs at 0.4 M produce water fluxes ranging from 14.0 to 16.4 LMH with negligible solute losses, at least 116% higher than those of NaCl, NH4HCO3, and other draw solutes. (NH4)6[Mo7O24] creates a water flux of 11.2 LMH, increased by more than 200% compared to that of NaCl and NH4HCO3 in long-term antiviral-drug wastewater reclamation. Remarkably, the drugs treated with NH4HCO3 and NaCl are either contaminated or denatured, while those with (NH4)6[Mo7O24] remain intact. Moreover, these POMs are recovered by sunlight-assisted acidification owing to their light and pH dual sensitivity and reusability for FO. POMs prove their suitability as draw solutes and demonstrate their superiority over the commonly studied draw solutes in wastewater treatment.
Keyword ：
antiviral-drug wastewater antiviral-drug wastewater drug reclamation drug reclamation forward osmosis forward osmosis polyoxomolybdate polyoxomolybdate smart draw solute smart draw solute
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| GB/T 7714 | Zou, Yiting , Ge, Qingchun . Smart Organic-Inorganic Polyoxomolybdates in Forward Osmosis for Antiviral-Drug Wastewater Treatment and Drug Reclamation [J]. | ENVIRONMENTAL SCIENCE & TECHNOLOGY , 2023 , 57 (14) : 5872-5880 . |
| MLA | Zou, Yiting et al. "Smart Organic-Inorganic Polyoxomolybdates in Forward Osmosis for Antiviral-Drug Wastewater Treatment and Drug Reclamation" . | ENVIRONMENTAL SCIENCE & TECHNOLOGY 57 . 14 (2023) : 5872-5880 . |
| APA | Zou, Yiting , Ge, Qingchun . Smart Organic-Inorganic Polyoxomolybdates in Forward Osmosis for Antiviral-Drug Wastewater Treatment and Drug Reclamation . | ENVIRONMENTAL SCIENCE & TECHNOLOGY , 2023 , 57 (14) , 5872-5880 . |
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As draw solute is the core element of forward osmosis (FO) technology, here Li-Bet-Tf2N synthesized from a customized ionic liquid betainium bis(trifluoromethylsulfonyl)imide ([Hbet][Tf2N]) and Li2CO3 recovered from lithium-ion battery (LIB) wastes is proposed as a novel draw solute to treat Li+-containing wastewater from LIB manufacturing through FO filtration. Having high dissociation ability and an extended structure, Li-Bet-Tf2N generates a sufficiently high osmotic pressure to drive the FO filtration efficiently along with insignificant reverse solute diffusion. Li-Bet-Tf2N produces a water flux of 21.3 L.(m(2).h)(-1) at 1.0 mol.L-1 against deionized water, surpassing conventional NaCl and MgCl2 draw solutes with a higher water recovery efficiency and a smaller solute loss. Li-Bet-Tf2N induces a more stable and higher water permeation flux with a 10.0% water flux decline than NaCl and MgCl2 for which the water fluxes decline 16.7% and 16.4%, respectively, during the treatment of 2000 mg.L-1 Li+-containing wastewater for 12 h. More remarkably, unlike other draw solutes which require intensive energy input and complicated processes in recycling, Li-Bet-Tf2N is easily separated from water via solvent extraction. Reproducible results are achieved with the recycled Li-Bet-Tf2N. Li-Bet-Tf2N thus demonstrates a novel class of draw solute with great potentials to treat wastewater economically.
Keyword ：
draw solution draw solution forward osmosis forward osmosis lithium-containing wastewater lithium-containing wastewater lithium-ion battery lithium-ion battery water treatment water treatment
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| GB/T 7714 | Chen, Rongzhen , Dong, Xinfei , Ge, Qingchun . Lithium-based draw solute for forward osmosis to treat wastewater discharged from lithium-ion battery manufacturing [J]. | FRONTIERS OF CHEMICAL SCIENCE AND ENGINEERING , 2022 , 16 (5) : 755-763 . |
| MLA | Chen, Rongzhen et al. "Lithium-based draw solute for forward osmosis to treat wastewater discharged from lithium-ion battery manufacturing" . | FRONTIERS OF CHEMICAL SCIENCE AND ENGINEERING 16 . 5 (2022) : 755-763 . |
| APA | Chen, Rongzhen , Dong, Xinfei , Ge, Qingchun . Lithium-based draw solute for forward osmosis to treat wastewater discharged from lithium-ion battery manufacturing . | FRONTIERS OF CHEMICAL SCIENCE AND ENGINEERING , 2022 , 16 (5) , 755-763 . |
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Wastewater containing trace organic contaminants (TrOCs) is usually poorly purified by unmodified polyamide (PA) membrane due to its poor selectivity and low water permeability. Herein we design a series of carboxylatefunctionalized PA membranes via the chelation of Fe3+ and carboxylate for efficient TrOCs removal through forward osmosis (FO). Citric acid, oxalic acid and their sodium salts are individually tethered to the PA membrane in water under ambient conditions. Factors influencing membrane performance are systematically investigated. The carboxylate based modification greatly improves the membrane properties that substantially enhance its separation performance. The sodium citrate (CA-Na) modified membrane produces water fluxes of up to 106% (PRO mode) and 144% (FO mode) higher than those of the PA membrane. This membrane also increases the TrOCs rejection from 75% to over 92%, irrespective of the TrOCs properties. Membrane fouling experiments reveal that the water flux of the CA-Na membrane declines by 26%, while that of the PA membrane decreases by 38% after 10-h tests. The flux recovery ratio of the CA-Na membrane achieves over 95% after physical cleaning. This study demonstrates an eco-friendly protocol to construct PA-based membrane for efficient TrOCs removal.
Keyword ：
Carboxylate-based modification Carboxylate-based modification Chelation reaction Chelation reaction Forward osmosis Forward osmosis Fouling resistance Fouling resistance TrOCs removal TrOCs removal
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| GB/T 7714 | Dong, Xinfei , Meng, Qing-Wei , Hu, Wenxiu et al. Forward osmosis membrane developed from the chelation of Fe3+ and carboxylate for trace organic contaminants removal [J]. | CHEMICAL ENGINEERING JOURNAL , 2022 , 428 . |
| MLA | Dong, Xinfei et al. "Forward osmosis membrane developed from the chelation of Fe3+ and carboxylate for trace organic contaminants removal" . | CHEMICAL ENGINEERING JOURNAL 428 (2022) . |
| APA | Dong, Xinfei , Meng, Qing-Wei , Hu, Wenxiu , Chen, Rongzhen , Ge, Qingchun . Forward osmosis membrane developed from the chelation of Fe3+ and carboxylate for trace organic contaminants removal . | CHEMICAL ENGINEERING JOURNAL , 2022 , 428 . |
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Forward osmosis (FO) proves advantageous in various water treatment. However, its potential application largely relies on the availability of suitable draw solutes. Here we report a series of multi-charged betaine metallic complexes for the removal of Cu2+, Zn2+ and Ni2+ ions from electroplating wastewater through FO. All betaine metallic complexes surpass the currently reported synthetic draw solutes and conventional NaCl, NH4HCO3 by increasing water fluxes up to 350% along with insignificant solute losses. Meanwhile, the betaine metallic complexes can generate a water permeation rate at least 300% higher than most commonly used NaCl draw solute in treating electroplating wastewater containing Cu2+, Zn2+ and Ni2+ ions. The impressive FO performance arises from the fact that the betaine metallic draw solutes contain abundant -COO-, -NMe3+ ionic moieties and have a special polymeric configuration. Remarkably, all betaine metallic complexes are readily regenerated by solvent extraction with minimal energy input. The novel betaine metallic draw solutes not only tackle the low water recovery and solute loss problems confronted in FO processes, but also can be recycled by a more economic and eco-friendly approach than the current draw solutes, demonstrating the suitability of the multi-charged metallic complexes presented here for FO water treatment.
Keyword ：
Draw solution Draw solution Forward osmosis Forward osmosis Heavy metal removal Heavy metal removal Multi-charged complex Multi-charged complex Wastewater treatment Wastewater treatment
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| GB/T 7714 | Qiu, Fengrong , Chen, Rongzhen , Chung, Tai-Shung et al. Forward osmosis for heavy metal removal: Multi-charged metallic complexes as draw solutes [J]. | DESALINATION , 2022 , 539 . |
| MLA | Qiu, Fengrong et al. "Forward osmosis for heavy metal removal: Multi-charged metallic complexes as draw solutes" . | DESALINATION 539 (2022) . |
| APA | Qiu, Fengrong , Chen, Rongzhen , Chung, Tai-Shung , Ge, Qingchun . Forward osmosis for heavy metal removal: Multi-charged metallic complexes as draw solutes . | DESALINATION , 2022 , 539 . |
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