Advanced Membranes最新文献

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Engineering silica membranes for separation performance, hydrothermal stability, and production scalability 用于分离性能、水热稳定性和生产可扩展性的工程二氧化硅膜
Advanced Membranes Pub Date : 2023-01-01 DOI: 10.1016/j.advmem.2023.100064
Vinh Bui, Ameya Manoj Tandel, Varun Reddy Satti, Elizabeth Haddad, Haiqing Lin
{"title":"Engineering silica membranes for separation performance, hydrothermal stability, and production scalability","authors":"Vinh Bui,&nbsp;Ameya Manoj Tandel,&nbsp;Varun Reddy Satti,&nbsp;Elizabeth Haddad,&nbsp;Haiqing Lin","doi":"10.1016/j.advmem.2023.100064","DOIUrl":"https://doi.org/10.1016/j.advmem.2023.100064","url":null,"abstract":"<div><p>Silica membranes have been successfully practiced for solvent dehydration and emerged as an exciting platform for gas separations (such as H<sub>2</sub>/CO<sub>2</sub>) due to their unique porous structures for molecular sieving, tunable chemistries, and excellent thermal and chemical stability. This review aims to provide a comprehensive update on the advancement of silica membranes for gas and liquid separations in the last decade. First, we summarize various techniques to fabricate membranes (particularly those at low temperatures) and describe the effect of processing parameters on the membrane structures. Second, penetrant transport mechanisms and molecular dynamic simulations are presented to elucidate the structure-properties relationship. Third, we highlight state-of-the-art silica membranes with promising separation properties for gases, vapors, and liquids and various engineering strategies to improve hydrothermal stability, production scalability, and separation performance. Finally, we provide perspectives on the future development of these membranes for practical applications.</p></div>","PeriodicalId":100033,"journal":{"name":"Advanced Membranes","volume":"3 ","pages":"Article 100064"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"50199944","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Catalytic membrane reactors for carbon peaking and carbon neutrality 用于碳达峰和碳中和的催化膜反应器
Advanced Membranes Pub Date : 2023-01-01 DOI: 10.1016/j.advmem.2023.100070
Jiuxuan Zhang , Bo Liu , Lili Cai , Yanhong Li , Yan Zhang , Mengke Liu , Lujian Jia , Senqing Fan , Linfeng Lei , Minghui Zhu , Xuefeng Zhu , Xuebin Ke , Aisheng Huang , Heqing Jiang , Rizhi Chen
{"title":"Catalytic membrane reactors for carbon peaking and carbon neutrality","authors":"Jiuxuan Zhang ,&nbsp;Bo Liu ,&nbsp;Lili Cai ,&nbsp;Yanhong Li ,&nbsp;Yan Zhang ,&nbsp;Mengke Liu ,&nbsp;Lujian Jia ,&nbsp;Senqing Fan ,&nbsp;Linfeng Lei ,&nbsp;Minghui Zhu ,&nbsp;Xuefeng Zhu ,&nbsp;Xuebin Ke ,&nbsp;Aisheng Huang ,&nbsp;Heqing Jiang ,&nbsp;Rizhi Chen","doi":"10.1016/j.advmem.2023.100070","DOIUrl":"https://doi.org/10.1016/j.advmem.2023.100070","url":null,"abstract":"<div><p>Catalytic membrane reactors have the advantages of allowing the selective removal of products, avoiding the separation procedure of powder catalysts from the reaction mixture, intensifying the diffusion of reactants in the catalytic region, and integrating different reactions in one unit. Catalytic membrane reactors have been widely applied in the fields related to carbon peaking and carbon neutrality, including the capture and utilization of carbon dioxide, hydrogen production, and hydrogenation reaction. This review summarizes the design and fabrication of catalytic membrane reactors, with the focus on the capture and efficient utilization of carbon dioxide, hydrogen production and efficient liquid-phase hydrogenation. The design of membrane materials, catalyst materials and catalytic membranes, and the operation of catalytic membrane reactors are discussed respectively. Finally, the perspectives and future challenges of catalytic membrane reactors for carbon peaking and carbon neutrality are forecasted.</p></div>","PeriodicalId":100033,"journal":{"name":"Advanced Membranes","volume":"3 ","pages":"Article 100070"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"50199941","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Hybrid CO2 capture processes consisting of membranes: A technical and techno-economic review 由膜组成的混合CO2捕集工艺:技术和技术经济综述
Advanced Membranes Pub Date : 2023-01-01 DOI: 10.1016/j.advmem.2023.100071
Meng-Chao Yu , Li-Ju Bai , Stefania Moioli , Paitoon Tontiwachwuthikul , Tatiana V. Plisko , Alexandr V. Bildyukevich , Ying-Nan Feng , Helei Liu
{"title":"Hybrid CO2 capture processes consisting of membranes: A technical and techno-economic review","authors":"Meng-Chao Yu ,&nbsp;Li-Ju Bai ,&nbsp;Stefania Moioli ,&nbsp;Paitoon Tontiwachwuthikul ,&nbsp;Tatiana V. Plisko ,&nbsp;Alexandr V. Bildyukevich ,&nbsp;Ying-Nan Feng ,&nbsp;Helei Liu","doi":"10.1016/j.advmem.2023.100071","DOIUrl":"https://doi.org/10.1016/j.advmem.2023.100071","url":null,"abstract":"<div><p>Because of the greenhouse effect, there is a pressing need to restrict and reduce CO<sub>2</sub> emissions. Post-combustion capture technology is a type of widely used technologies for CO<sub>2</sub> capture. Compared to the standalone CO<sub>2</sub> capture processes such as absorption and cryogenic separation, hybrid CO<sub>2</sub> capture processes demonstrate improved separation efficiency and capacity for the overall performance. Membrane separation is a great candidate for process hybridization with other CO<sub>2</sub> capture processes. Three categories of hybrid processes consisting of membrane technology, i.e., in-series, parallel and integrated configurations, have been applied for CO<sub>2</sub> capture. This paper mainly reviews the recent research progresses on the process development as well as the techno-economic analyses of the hybrid processes corresponding to these configurations. Furthermore, the perspectives on future directions of hybrid CO<sub>2</sub> capture processes are discussed to facilitate its research and practical applications.</p></div>","PeriodicalId":100033,"journal":{"name":"Advanced Membranes","volume":"3 ","pages":"Article 100071"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S277282342300012X/pdfft?md5=71ff067141cba86c6a1244ab5aba0494&pid=1-s2.0-S277282342300012X-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"92122545","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Development and emerging application of membrane degassing technology 膜脱气技术的开发和新兴应用
Advanced Membranes Pub Date : 2023-01-01 DOI: 10.1016/j.advmem.2023.100076
Hongyu Chen , Zhiying Lu , Yangming Cheng , Enrico Drioli , Zhaohui Wang , Feng Zhang , Zhaoliang Cui
{"title":"Development and emerging application of membrane degassing technology","authors":"Hongyu Chen ,&nbsp;Zhiying Lu ,&nbsp;Yangming Cheng ,&nbsp;Enrico Drioli ,&nbsp;Zhaohui Wang ,&nbsp;Feng Zhang ,&nbsp;Zhaoliang Cui","doi":"10.1016/j.advmem.2023.100076","DOIUrl":"https://doi.org/10.1016/j.advmem.2023.100076","url":null,"abstract":"<div><p>With the development of membrane separation technology, some traditional separation and purification methods have been replaced by membrane technology. Compared to traditional method, the membrane method has the advantages of small footprint, low energy consumption, safe operation and high removal rate. At present, membrane degassing has become a crucial step in ultra-pure water production for semiconductor industries, and it is also used in ink bubble removal and various wastewater treatment. This paper summarizes the advantages of membrane degassing compared with other gas-liquid separation methods, and introduces polymeric membrane materials used for degassing and their merits and drawbacks. The greatest challenge encountered in membrane degassing is the resistance to wetting phenomenon. This paper provides solutions to wetting phenomenon, which increases the possibility of widespread application of membrane degassing technology and the adaptability of membrane degassing technology to more demanding use scenarios. Finally, the application scenarios of membrane degassing technology are summarized and future prespectives are provided.</p></div>","PeriodicalId":100033,"journal":{"name":"Advanced Membranes","volume":"3 ","pages":"Article 100076"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2772823423000179/pdfft?md5=adcb94d276626d41f111fca182e28e7d&pid=1-s2.0-S2772823423000179-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138557984","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Comparing the environmental impacts of using bio-renewable and fossil-derived solvent in polymer membrane fabrications 比较在聚合物膜制造中使用生物可再生溶剂和化石衍生溶剂对环境的影响
Advanced Membranes Pub Date : 2023-01-01 DOI: 10.1016/j.advmem.2023.100079
Aiman Arif, Nadhita Chanchaona, Cher Hon Lau
{"title":"Comparing the environmental impacts of using bio-renewable and fossil-derived solvent in polymer membrane fabrications","authors":"Aiman Arif,&nbsp;Nadhita Chanchaona,&nbsp;Cher Hon Lau","doi":"10.1016/j.advmem.2023.100079","DOIUrl":"https://doi.org/10.1016/j.advmem.2023.100079","url":null,"abstract":"<div><p>Sustainable production methods for polymer membrane fabrication are gaining attention due to concerns about the toxicity of conventional fossil-derived solvents in the production process. In addition, the promotion of using chemicals from renewable source for synthesis processes among industries and researches has increased to decelerate resource depletion. As such, more benign and bio-renewable solvents, dihydrolevoglucosenone (Cyrene™) and 2-methyltetrahydrofuran (2-MeTHF), have been proposed as replacements for traditional fossil-derived solvents, n-hexane and dimethylformamide (DMF). In this work, a life cycle assessment (LCA) was employed to quantitatively evaluate the environmental impacts of using the aforementioned bio-renewable solvents versus fossil-derived solvents for fabricating 1 ​g of polymer membrane. The analysis adopted a cradle-to-gate perspective and assessed three endpoint impact categories: Human health, Ecosystems and Resources. Despite lower environmental impacts for producing bio-renewable solvents, using such solvents to fabricate membranes displayed a higher environmental impact score in all endpoint categories. This discrepancy was attributed to the lower yield of the membrane fabrication process when using bio-based solvents. This indicated that further work is needed to optimise membrane fabrication so that the benefits of using bio-based solvents can be maximised.</p></div>","PeriodicalId":100033,"journal":{"name":"Advanced Membranes","volume":"3 ","pages":"Article 100079"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2772823423000209/pdfft?md5=7e83c3cbaf16e5560bc3b80e201f5489&pid=1-s2.0-S2772823423000209-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138570178","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Tethering hydrophilic macromolecules onto inorganic nanoparticles via RAFT toward biocompatible polyethersulfone membrane 通过RAFT将亲水性大分子系在无机纳米颗粒上,形成生物相容性聚醚砜膜
Advanced Membranes Pub Date : 2023-01-01 DOI: 10.1016/j.advmem.2023.100074
Mohammed Kamal Hadi , Liru Su , Yuan Li , Abdalazeez Ismail , Sambasivam Sangaraju , Fen Ran
{"title":"Tethering hydrophilic macromolecules onto inorganic nanoparticles via RAFT toward biocompatible polyethersulfone membrane","authors":"Mohammed Kamal Hadi ,&nbsp;Liru Su ,&nbsp;Yuan Li ,&nbsp;Abdalazeez Ismail ,&nbsp;Sambasivam Sangaraju ,&nbsp;Fen Ran","doi":"10.1016/j.advmem.2023.100074","DOIUrl":"https://doi.org/10.1016/j.advmem.2023.100074","url":null,"abstract":"<div><p>Polyethersulfone (PES) polymers are useful for a variety of membranes' bio-related applications. However, due to its failure to satisfy certain performance and biocompatibility standards, PES requires further surface modification. Herein, we report a facile and flexible method of PES membrane modification by combining the synthesis of silicon oxide nanoparticles grafted with polyvinylpyrrolidone (PVP) as hydrophilic macromolecules via reversible addition fragmentation chain-transfer polymerization (RAFT) and aminated polyethersulfone. The blending of polyethersulfone-modified membranes with SiO<sub>2</sub>@PVP and aminated polyethersulfone results in a robust, hydrophilic, and biocompatible surface. This research work uniquely uses this strategy to stabilize the existence of the hydrophilic modifiers (SiO<sub>2</sub>@PVP and aminated polyethersulfone) within the membrane matrix. Fourier-transform infrared spectroscopy (FTIR), X-ray photoelectron spectroscopy (XPS), transmission electron microscopy (TEM), and scanning electron microscopy (SEM) are used to analyze the prepared polymer brush and the modified membranes. The modified membranes demonstrate high pure water flux at 345 ​L ​m<sup>−2</sup> ​h<sup>−1</sup> and bovine serum albumin (BSA) rejection at 98 ​%. The prepared membranes also show favorable hydrophilicity with a contact angle of 46.8° compared with pristine polyethersulfone at 79°. Furthermore, the modified membranes demonstrate an acceptable degree of blood biocompatibility according to partial thromboplastin time (APTT), prothrombin time (PT), thrombin time (TT), and fibrinogen (FIB) concentration analysis. Based on inductively coupled plasma optical emission spectroscopy (ICP-OES), the silicon nanoparticle leaching in permeate is in a safe range. Accordingly, the modified polyethersulfone membrane is safe and suitable for hemodialysis and bio-related applications.</p></div>","PeriodicalId":100033,"journal":{"name":"Advanced Membranes","volume":"3 ","pages":"Article 100074"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2772823423000155/pdfft?md5=d36ca99563bea859169f373e0cdd5954&pid=1-s2.0-S2772823423000155-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134656570","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Condensability sieving porous coordination polymer membranes for preferential permeation of C1–C4 alkanes over H2 可缩聚性筛选多孔配位聚合物膜,使C1-C4烷烃优先渗透H2
Advanced Membranes Pub Date : 2022-01-01 DOI: 10.1016/j.advmem.2022.100044
Xuemeng Jia , De Ao , Zibo Yang , Zhihua Qiao , Yuxiu Sun , Michael D. Guiver , Chongli Zhong
{"title":"Condensability sieving porous coordination polymer membranes for preferential permeation of C1–C4 alkanes over H2","authors":"Xuemeng Jia ,&nbsp;De Ao ,&nbsp;Zibo Yang ,&nbsp;Zhihua Qiao ,&nbsp;Yuxiu Sun ,&nbsp;Michael D. Guiver ,&nbsp;Chongli Zhong","doi":"10.1016/j.advmem.2022.100044","DOIUrl":"10.1016/j.advmem.2022.100044","url":null,"abstract":"<div><p>Refinery gas contains abundant H<sub>2</sub> and a small amount of C<sub>1</sub>–C<sub>4</sub> hydrocarbons. Here, we propose a condensability sieving strategy to realize preferential permeation of hydrocarbons over H<sub>2</sub> by developing halogen-induced porous coordination polymer (PCP) mixed matrix membranes (MMMs) that display condensability sieving gas transport. The 4-Cl-PCP, 5-Cl-PCP and 5-Br-PCP are synthesized by using Zr<sup>4+</sup> and X-isophthalic acid (where X ​= ​4-Cl or 5-Cl or 5-Br) exhibit increased gas adsorption capacity with the increase in carbon number of the feed gas, but with almost no H<sub>2</sub> adsorption. MMMs containing the PCPs with different charge distributions enhance condensability sieving selectivity and inhibit diffusion selectivity. The permeances of the MMMs originated from condensability sieving are consistent with the polarizability-dependent adsorption of the PCP. The selectivity of the obtained MMMs for n-C<sub>4</sub>H<sub>10</sub>/H<sub>2</sub>, C<sub>3</sub>H<sub>8</sub>/H<sub>2</sub>, C<sub>2</sub>H<sub>6</sub>/H<sub>2</sub>, and CH<sub>4</sub>/H<sub>2</sub> achieve ∼40, ∼15, ∼5, and ∼2, respectively, exhibiting promising applications in refinery gas purification owing to their lower energy consumption compared with H<sub>2</sub>-preferential permeation membranes.</p></div>","PeriodicalId":100033,"journal":{"name":"Advanced Membranes","volume":"2 ","pages":"Article 100044"},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2772823422000203/pdfft?md5=4da6a1bd458d81f3dd1059fa77057066&pid=1-s2.0-S2772823422000203-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80370583","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
MOF or COF membranes for olefin/paraffin separation: Current status and future research directions 用于烯烃/石蜡分离的MOF或COF膜:现状及未来研究方向
Advanced Membranes Pub Date : 2022-01-01 DOI: 10.1016/j.advmem.2022.100035
Ruicong Wei , Xiaowei Liu , Zhiping Lai
{"title":"MOF or COF membranes for olefin/paraffin separation: Current status and future research directions","authors":"Ruicong Wei ,&nbsp;Xiaowei Liu ,&nbsp;Zhiping Lai","doi":"10.1016/j.advmem.2022.100035","DOIUrl":"10.1016/j.advmem.2022.100035","url":null,"abstract":"<div><p>In response to global efforts to combat climate change, many research efforts have contributed to upgrading cryogenic distillation, an energy-intensive petrochemical operation, especially for olefin/paraffin separation. Metal-organic framework (MOF) membranes can be a competitive candidate for this purpose. In this work, we reviewed the main progress of MOF membranes for olefin/paraffin separations, with the main focus on the potential of ZIF-8 for C<sub>3</sub>H<sub>6</sub>/C<sub>3</sub>H<sub>8</sub> separation. Membranes of other potential materials, including covalent organic framework (COF) for olefin/paraffin separation, were also reviewed in detail. We then projected our views on searching for next-generation materials for high-performance olefin/paraffin separations. Finally, a guide of future research perspectives was provided to enable the first membrane of olefin/paraffin separation to be commercialized.</p></div>","PeriodicalId":100033,"journal":{"name":"Advanced Membranes","volume":"2 ","pages":"Article 100035"},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2772823422000112/pdfft?md5=01f0bb53103f6ec3debaf2ca31b0c11b&pid=1-s2.0-S2772823422000112-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82210062","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 9
Air nanobubbles (ANBs) incorporated sandwich-structured carbon nanotube membranes (CNM) for highly permeable and stable forward osmosis 空气纳米气泡(ANBs)采用三明治结构的碳纳米管膜(CNM)进行高渗透和稳定的正向渗透
Advanced Membranes Pub Date : 2022-01-01 DOI: 10.1016/j.advmem.2022.100026
Lu Zhang , Fu Liu , Simin Yang , Shenghua Zhou , Jianqiang Wang , Haibo Lin , Qiu Han , Chuyang Y. Tang
{"title":"Air nanobubbles (ANBs) incorporated sandwich-structured carbon nanotube membranes (CNM) for highly permeable and stable forward osmosis","authors":"Lu Zhang ,&nbsp;Fu Liu ,&nbsp;Simin Yang ,&nbsp;Shenghua Zhou ,&nbsp;Jianqiang Wang ,&nbsp;Haibo Lin ,&nbsp;Qiu Han ,&nbsp;Chuyang Y. Tang","doi":"10.1016/j.advmem.2022.100026","DOIUrl":"10.1016/j.advmem.2022.100026","url":null,"abstract":"<div><p>The selective transport of water/ions through conventional forward osmosis (FO) membranes is largely impeded by solution-diffusion and internal concentration polarization (ICP). Herein, we report a novel air nanobubbles (ANBs) incorporated sandwich-structured carbon nanotube membrane (CNM) for highly permeable and stable FO desalination by taking advantage of the nanofluidic transport at the solid/liquid/vapor interface. Fluorinated multi-walled carbon nanotubes (F-MWCNTs) were assembled as the superhydrophobic interlayer between a hydrophilic cellulose acetate (CA) layer and a hydrophilic polyacrylonitrile (PAN) nanofibrous layer. The trapped ANBs in the superhydrophobic F-MWCNT layer crucially regulated the continuous water flow and effectively prevented salt diffusion. When tested with DI water as feed solution (FS) and 1 ​M NaCl as draw solution (DS), the ANBs incorporated sandwich-structured CNM achieved high water flux (158.0 ​L ​m<sup>−2</sup> ​h<sup>−1</sup>) and ultralow reverse salt flux (0.4 ​g ​m<sup>−2</sup> ​h<sup>−1</sup>) simultaneously, far beyond the state-of-the-art FO membranes. The PAN nanofibrous layer well protected the entrapped ANBs to allow a more durable FO performance. An ANBs-regulated nanofluidic flow model was proposed to elucidate selective water/salt transport mechanism. This work revealed the feasibility of ANBs incorporated membranes for osmosis-driven processes.</p></div>","PeriodicalId":100033,"journal":{"name":"Advanced Membranes","volume":"2 ","pages":"Article 100026"},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2772823422000021/pdfft?md5=06dfd38a628584ef97372e39fec20e40&pid=1-s2.0-S2772823422000021-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90922204","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
Pore engineering in covalent organic framework membrane for gas separation 共价有机骨架膜气体分离孔工程
Advanced Membranes Pub Date : 2022-01-01 DOI: 10.1016/j.advmem.2022.100037
Zhou Qu , Chenyu Lai , Guangjin Zhao , Alexander Knebel , Hongwei Fan , Hong Meng
{"title":"Pore engineering in covalent organic framework membrane for gas separation","authors":"Zhou Qu ,&nbsp;Chenyu Lai ,&nbsp;Guangjin Zhao ,&nbsp;Alexander Knebel ,&nbsp;Hongwei Fan ,&nbsp;Hong Meng","doi":"10.1016/j.advmem.2022.100037","DOIUrl":"10.1016/j.advmem.2022.100037","url":null,"abstract":"<div><p>Covalent Organic Frameworks (COFs) have attracted significant interest as promising separation membrane materials for their well-organized porous system and highly ordered crystalline structure. However, compared with the molecular and ionic separation in liquid phase, the advance of the COF membrane in gas separation has been relatively slow. To achieve desirable gas separation performance, the pore size of the COF membrane is expected to be regulated into the gas molecule-selective region, and also the tuning of pore enviroment is of importance. This review focuses on the key progress of the pore regulation strategies for the COF membrane towards gas separation. We highlight the different design concepts for selective gas transport channels, and introduce the specific applications to elucidate the structure-performance relationship of the COF membrane. We discuss the critical challenges and opportunities faced by the COF membranes in the field of gas separation, aiming at guiding the direction of the future efforts and promoting their development.</p></div>","PeriodicalId":100033,"journal":{"name":"Advanced Membranes","volume":"2 ","pages":"Article 100037"},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2772823422000136/pdfft?md5=17ea4ea7f0e9ae79d5b661b373c48d9c&pid=1-s2.0-S2772823422000136-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85155568","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
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