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Current Opinion in Chemical Engineering最新文献

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Manufacturing spiral wound element of thin film composite membrane: contemporary methods and sustainable manufacturing approaches
IF 8 2区 工程技术
Current Opinion in Chemical Engineering Pub Date : 2025-01-03 DOI: 10.1016/j.coche.2024.101082
Yeit H Teow , Woon C Chong , Woei J Lau , Ming Xie
{"title":"Manufacturing spiral wound element of thin film composite membrane: contemporary methods and sustainable manufacturing approaches","authors":"Yeit H Teow ,&nbsp;Woon C Chong ,&nbsp;Woei J Lau ,&nbsp;Ming Xie","doi":"10.1016/j.coche.2024.101082","DOIUrl":"10.1016/j.coche.2024.101082","url":null,"abstract":"<div><div>Spiral wound membrane elements made from flat sheet polyamide thin film composite (TFC) membranes have been successfully used in industrial water and wastewater treatment processes for several decades. This membrane configuration, offering high packing density and a small footprint, is the standard design for nanofiltration and reverse osmosis processes. Despite its industrial advantages, the manufacturing of spiral wound membrane elements relies heavily on materials derived from crude oil. This review summarizes recent progress in developing sustainable spiral wound TFC membrane elements using various approaches, including green solvents, polymers/monomers sourced from renewable or recycled materials, and fabrication techniques that eliminate hazardous solvents. While promising results have emerged from relevant laboratory studies, there is a notable absence of case studies, patents, or publications from prominent membrane manufacturers on this topic. Recognizing the significance of sustainable manufacturing in mitigating environmental impacts and optimizing resource efficiency, we foresee continued and focused efforts on this subject in the near future.</div></div>","PeriodicalId":292,"journal":{"name":"Current Opinion in Chemical Engineering","volume":"47 ","pages":"Article 101082"},"PeriodicalIF":8.0,"publicationDate":"2025-01-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143174487","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Editorial overview: Climate Change Special Issue
IF 8 2区 工程技术
Current Opinion in Chemical Engineering Pub Date : 2024-12-30 DOI: 10.1016/j.coche.2024.101076
Vasilios I Manousiouthakis , Heriberto Cabezas
{"title":"Editorial overview: Climate Change Special Issue","authors":"Vasilios I Manousiouthakis ,&nbsp;Heriberto Cabezas","doi":"10.1016/j.coche.2024.101076","DOIUrl":"10.1016/j.coche.2024.101076","url":null,"abstract":"","PeriodicalId":292,"journal":{"name":"Current Opinion in Chemical Engineering","volume":"47 ","pages":"Article 101076"},"PeriodicalIF":8.0,"publicationDate":"2024-12-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143175421","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Ionic liquids: a novel material for efficient nanofiltration membranes
IF 8 2区 工程技术
Current Opinion in Chemical Engineering Pub Date : 2024-12-30 DOI: 10.1016/j.coche.2024.101083
Luqi Xiao , Jinfeng Cui , Linglong Shan , Xiangping Zhang
{"title":"Ionic liquids: a novel material for efficient nanofiltration membranes","authors":"Luqi Xiao ,&nbsp;Jinfeng Cui ,&nbsp;Linglong Shan ,&nbsp;Xiangping Zhang","doi":"10.1016/j.coche.2024.101083","DOIUrl":"10.1016/j.coche.2024.101083","url":null,"abstract":"<div><div>Ionic liquids (ILs) have recently emerged as a new membrane material for efficient separation. In this review, current achievements of nanofiltration (NF) membranes modified by ILs are highlighted. ILs, comprising cations and anions, possess excellent tunability of functionalized groups, high polarity, high chargeability, good antimicrobial properties, low vapor pressure, and eco-friendly characteristics, which can enhance the hydrophilicity and chargeability of the NF membrane, provide additional water transport channels and water transport efficiency, as well as improve the ion selectivity, antifouling, and antibacterial properties of the NF membrane for green and sustainable separation process. Meanwhile, the challenges and future research interests toward the interaction behavior between ILs and targeted substance, the regulation of membrane surface interface properties, the separation mechanism, and the inadequacies of s-based NF membranes are discussed.</div></div>","PeriodicalId":292,"journal":{"name":"Current Opinion in Chemical Engineering","volume":"47 ","pages":"Article 101083"},"PeriodicalIF":8.0,"publicationDate":"2024-12-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143174486","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Integrating adsorbents and electrochemistry to advance selective wastewater phosphate separations
IF 8 2区 工程技术
Current Opinion in Chemical Engineering Pub Date : 2024-12-19 DOI: 10.1016/j.coche.2024.101080
Neha Sharma , Edward Apraku , Meili Gong , William A Tarpeh
{"title":"Integrating adsorbents and electrochemistry to advance selective wastewater phosphate separations","authors":"Neha Sharma ,&nbsp;Edward Apraku ,&nbsp;Meili Gong ,&nbsp;William A Tarpeh","doi":"10.1016/j.coche.2024.101080","DOIUrl":"10.1016/j.coche.2024.101080","url":null,"abstract":"<div><div>Excessive discharges of phosphorus from wastewater streams and agricultural soils have perturbed natural aquatic ecosystems by causing environmental issues like eutrophication. Reimagining liquid waste streams as potential feedstocks can recover valuable phosphate products and decrease reliance on phosphate rock mining for fertilizer production. This perspective underscores the significance of integrating adsorbents and electrochemistry as selective separation techniques, aiming to overcome the current limitations of phosphorus recovery techniques and enhance phosphorus recovery from waste. Compared to existing methods, efficient recovery methods are expected to exhibit reduced energy demands along with improved attributes such as enhanced selectivity, increased capacity, and greater reusability. Achieving these characteristics requires advances in mechanistic understanding of the molecular-level interactions driving the performance of adsorbents and electrochemical approaches. To guide material development, process performance, and mechanistic understanding, we discuss the potential of synchrotron-based techniques (e.g., X-ray imaging and spectroscopy) to assess adsorption mechanisms and processes that degrade the performance of phosphorus recovery approaches over time, including electrode degradation, precipitation, and fouling. Leveraging these molecular insights alongside life cycle analysis and technoeconomic assessments can directly guide process engineering decisions, improving wastewater-derived phosphorus product purity, uniformity, and overall value.</div></div>","PeriodicalId":292,"journal":{"name":"Current Opinion in Chemical Engineering","volume":"47 ","pages":"Article 101080"},"PeriodicalIF":8.0,"publicationDate":"2024-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143174499","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Electrodialysis modeling for desalination and resource recovery
IF 8 2区 工程技术
Current Opinion in Chemical Engineering Pub Date : 2024-12-18 DOI: 10.1016/j.coche.2024.101081
Punhasa S Senanayake , Abdiel Lugo , Mohammed Fuwad Ahmed , Zachary Stoll , Neil E Moe , John Barber , William Shane Walker , Pei Xu , Huiyao Wang
{"title":"Electrodialysis modeling for desalination and resource recovery","authors":"Punhasa S Senanayake ,&nbsp;Abdiel Lugo ,&nbsp;Mohammed Fuwad Ahmed ,&nbsp;Zachary Stoll ,&nbsp;Neil E Moe ,&nbsp;John Barber ,&nbsp;William Shane Walker ,&nbsp;Pei Xu ,&nbsp;Huiyao Wang","doi":"10.1016/j.coche.2024.101081","DOIUrl":"10.1016/j.coche.2024.101081","url":null,"abstract":"<div><div>Electrodialysis (ED) is a viable technology for treating unconventional waters due to its higher chemical and mechanical stability and less propensity to fouling and scaling compared to other membrane technologies. With the advances in electro-driven separation processes, ED has become a multipurpose technology capable of brine treatment, mineral recovery, chemical production, and desalination. Modeling has assisted in developing new ion-exchange membranes (IEMs) and optimizing operating parameters to enhance ED performance. Still, there is an opportunity to extend ED modeling for resource recovery by including computational-aided membrane development that will help identify new selective IEMs and reduce the experimental testing by acting as a membrane screening tool. Additionally, a multifunctional optimization approach using machine learning or artificial intelligence will enable the simulation and optimization of experimental parameters, leading to reduced experimental testing and minimized levelized cost of production.</div></div>","PeriodicalId":292,"journal":{"name":"Current Opinion in Chemical Engineering","volume":"47 ","pages":"Article 101081"},"PeriodicalIF":8.0,"publicationDate":"2024-12-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143174495","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Techno-economic perspective on the limitations and prospects of ion-exchange membrane technologies
IF 8 2区 工程技术
Current Opinion in Chemical Engineering Pub Date : 2024-12-18 DOI: 10.1016/j.coche.2024.101077
Gregory Reimonn , Jovan Kamcev
{"title":"Techno-economic perspective on the limitations and prospects of ion-exchange membrane technologies","authors":"Gregory Reimonn ,&nbsp;Jovan Kamcev","doi":"10.1016/j.coche.2024.101077","DOIUrl":"10.1016/j.coche.2024.101077","url":null,"abstract":"<div><div>The development of ion-exchange membrane (IEM) technologies is critical to achieving global sustainable development goals in the sectors of water desalination, energy storage, and chemical production. However, the commercialization of these technologies hinges on enhancing their techno-economic viability, which can be achieved by improving IEM performance. In this work, we review the economic feasibility of several IEM processes, highlighting common challenges that need to be addressed to improve their viability. Aqueous separation technologies show the most promise, while energy and chemical production technologies require both improvements in IEM performance and reductions in stack costs to become economically viable. By analyzing the IEM contribution to capital and operating costs, we identify materials design criteria for reducing electrochemical inefficiencies and achieving cost targets for membrane production.</div></div>","PeriodicalId":292,"journal":{"name":"Current Opinion in Chemical Engineering","volume":"47 ","pages":"Article 101077"},"PeriodicalIF":8.0,"publicationDate":"2024-12-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143174491","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Distributed water desalination and purification systems: perspective and future directions
IF 8 2区 工程技术
Current Opinion in Chemical Engineering Pub Date : 2024-12-18 DOI: 10.1016/j.coche.2024.101078
Yoram Cohen , Bilal M Khan , Maria Soto , Nora Marki , Yakubu Jarma , Yang Zhou
{"title":"Distributed water desalination and purification systems: perspective and future directions","authors":"Yoram Cohen ,&nbsp;Bilal M Khan ,&nbsp;Maria Soto ,&nbsp;Nora Marki ,&nbsp;Yakubu Jarma ,&nbsp;Yang Zhou","doi":"10.1016/j.coche.2024.101078","DOIUrl":"10.1016/j.coche.2024.101078","url":null,"abstract":"<div><div>Distributed water treatment and desalination (DWTD) systems are critical for the development of a diverse water portfolio of the desired quality and intended use at the target location. Widespread adoption of DWTD has been hampered given the need for round-the-clock monitoring and the lack of local technical expertise for system management. However, self-adaptive operation, real-time remote monitoring, supervisory control, and asset management of DWTD systems are now feasible with the implementation of advanced local system control, cyberinfrastructure that facilitates real-time cloud-based analytics, data management, and artificial intelligence–powered decision support. Such an approach will introduce transformative virtual networks of DWTD systems to provide needed water to locations that are not served by centralized and satellite water treatment and desalination systems.</div></div>","PeriodicalId":292,"journal":{"name":"Current Opinion in Chemical Engineering","volume":"47 ","pages":"Article 101078"},"PeriodicalIF":8.0,"publicationDate":"2024-12-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143174498","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Current opportunities and challenges in membrane-based brine management
IF 8 2区 工程技术
Current Opinion in Chemical Engineering Pub Date : 2024-12-18 DOI: 10.1016/j.coche.2024.101079
Jishan Wu , Eric MV Hoek
{"title":"Current opportunities and challenges in membrane-based brine management","authors":"Jishan Wu ,&nbsp;Eric MV Hoek","doi":"10.1016/j.coche.2024.101079","DOIUrl":"10.1016/j.coche.2024.101079","url":null,"abstract":"<div><div>This perspective attempts to critically assess the latest developments in membrane-based brine concentration (MBC), crystallization (MBCr), and valorization (MBV), which are essential to make desalination more sustainable and to advance a more circular water economy. Herein, we examine membrane distillation, forward osmosis, electrodialysis, osmosis-assisted reverse osmosis, low-salt rejection reverse osmosis, and ultra-high-pressure reverse osmosis as emerging MBC technologies and compare them to each other and state-of-the-art thermal brine concentration. We discuss the implications and operational challenges of these technologies in minimal and zero liquid discharge applications. We further discuss various MBCr and MBV research efforts from the peer-reviewed literature and offer some perspective on what is likely needed to advance MBC, MBCr, and MBV approaches to commercial status.</div></div>","PeriodicalId":292,"journal":{"name":"Current Opinion in Chemical Engineering","volume":"47 ","pages":"Article 101079"},"PeriodicalIF":8.0,"publicationDate":"2024-12-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143174496","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Scale-up of HiGee for CO₂ capture: did evolution of HiGee technology give scale-up a miss?
IF 8 2区 工程技术
Current Opinion in Chemical Engineering Pub Date : 2024-12-16 DOI: 10.1016/j.coche.2024.101070
D P Rao
{"title":"Scale-up of HiGee for CO₂ capture: did evolution of HiGee technology give scale-up a miss?","authors":"D P Rao","doi":"10.1016/j.coche.2024.101070","DOIUrl":"10.1016/j.coche.2024.101070","url":null,"abstract":"<div><div>This work addresses the scale-up challenges of HiGee technology for CO₂ capture by proposing two approaches: (1) constructing a scaled-down prototype with a 5 cm axial-length rotor while maintaining key dimensions the same as the plant-scale unit to gather reliable data for scaling up; and (2) employing <em>ab initio</em> Computational Fluid dynamic (CFD) models that integrate heat, mass transfer, and reaction kinetics, removing the need for empirical correlations. Additionally, a method is suggested to reduce computational resource requirements for CFD calculations.</div></div>","PeriodicalId":292,"journal":{"name":"Current Opinion in Chemical Engineering","volume":"47 ","pages":"Article 101070"},"PeriodicalIF":8.0,"publicationDate":"2024-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143175427","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
High-gravity chemical engineering in volatile organic compounds capture
IF 8 2区 工程技术
Current Opinion in Chemical Engineering Pub Date : 2024-12-09 DOI: 10.1016/j.coche.2024.101072
Suhail Abbas , Chi Che , Zhi Qian
{"title":"High-gravity chemical engineering in volatile organic compounds capture","authors":"Suhail Abbas ,&nbsp;Chi Che ,&nbsp;Zhi Qian","doi":"10.1016/j.coche.2024.101072","DOIUrl":"10.1016/j.coche.2024.101072","url":null,"abstract":"<div><div>Efficient capture of volatile organic compounds (VOCs) remains a significant challenge in industrial emissions control. High-gravity (HiGee) technology particularly through the use of rotating packed beds (RPBs) depicts an innovation in this field. RPBs offer a compact, energy-efficient solution for optimizing VOC elimination, addressing both hydrophobic and hydrophilic compounds. As industries face growing regulator pressures and ambitious environmental targets, the adoption of RPBs becomes increasingly attractive for VOC mitigation. This review delves into the mechanism underlying HiGee technology and its role in VOC capture, highlighting its unique ability to fine-tune functionality for specific industrial applications. The discussion encompasses the various applications of HiGee technology in VOC treatment, providing a comprehensive overview of its environmental impacts. The review also identifies future research directions aimed at enhancing the efficiency and expanding the applicability of RPBs in VOC mitigation processes.</div></div>","PeriodicalId":292,"journal":{"name":"Current Opinion in Chemical Engineering","volume":"47 ","pages":"Article 101072"},"PeriodicalIF":8.0,"publicationDate":"2024-12-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143175426","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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