Current Opinion in Chemical Engineering最新文献

英文中文

Addressing degradation and durability challenges in anion exchange membranes for advancing anion exchange membrane water electrolyzers 解决阴离子交换膜的降解和耐久性挑战，以推进阴离子交换膜水电解槽

IF 6.8 2区工程技术 Q1 BIOTECHNOLOGY & APPLIED MICROBIOLOGY

Current Opinion in Chemical Engineering

Pub Date : 2026-01-29 DOI: 10.1016/j.coche.2026.101226

Arun Prakash Periasamy , N Clament Sagaya Selvam , Balamurugan Devadas

The strategies to increase the hydrogen production capabilities of the current state-of-the-art systems, such as the anion exchange membrane water electrolyzer (AEMWE), are gaining considerable attention. Despite steady progress being made with the green hydrogen-producing capability, the AEMWE technology is facing durability issues over extended operations at the stack level. This review is primarily focused on the degradation and durability challenges in AEM. The degradation modes in AEM include: i) chemical and mechanical degradation of the polymer backbones during dry and wet operations. ii) Degradation of quaternary ammonium headgroups in the AEM due to hydroxyl radical attack. iii) Membrane swelling due to increased water uptake within the membrane electrode assembly. From an industrial viewpoint, this review discusses the latest developments on durable AEM design, structure–property relationships, systematic monitoring of the degradation pathways and key mitigation strategies. The critical viewpoints highlighted in this review would advance the fundamental understanding and engineering of next-generation AEMs for deployment in AEMWE at the industrial level.

提高阴离子交换膜水电解槽（AEMWE）等当前最先进系统的制氢能力的战略正受到相当大的关注。尽管在绿色制氢能力方面取得了稳步进展，但AEMWE技术在堆栈级别的扩展操作中面临着耐久性问题。这篇综述主要集中在AEM的降解和耐久性挑战。AEM的降解模式包括：1)干湿作业时聚合物骨架的化学和机械降解。ii)由于羟基自由基的攻击，AEM中季铵头基的降解。iii)膜电极组件内吸水量增加导致膜膨胀。从工业角度出发，本文讨论了耐用AEM设计、结构-性能关系、降解途径的系统监测和关键缓解策略的最新进展。本综述中强调的关键观点将促进对下一代AEMs的基本理解和工程设计，以便在工业水平上部署AEMWE。

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引用次数: 0

Recent developments in the application of particle-resolved CFD to fixed-bed reactors 颗粒分解CFD在固定床反应器应用的最新进展

IF 6.8 2区工程技术 Q1 BIOTECHNOLOGY & APPLIED MICROBIOLOGY

Current Opinion in Chemical Engineering

Pub Date : 2026-01-21 DOI: 10.1016/j.coche.2025.101225

Anthony G Dixon

Particle-resolved computational fluid dynamics (PRCFD) has recently been widely adopted by multiple research groups for the mathematical modeling of fixed-bed chemical reactors. At present, simulations are limited to handling a few hundred to a thousand particles, but real fixed-bed reactors can consist of tens to hundreds of thousands of particles. The question is how to anchor PRCFD models to real-world fixed-bed reactors. This review focuses on approaches to that question, including developing the ability to obtain more useful PRCFD models by increasing the number of particles or including more realistic reaction kinetics, improving PRCFD methodology, applying PRCFD to new reactor configurations and non-spherical particle shapes, and using PRCFD to provide a fundamental understanding that can be transferred into effective continuum models at the full reactor scale. Future directions are discussed, including the use of tools such as machine learning to extend the capabilities of PRCFD modeling.

颗粒分解计算流体动力学（PRCFD）最近被多个研究小组广泛用于固定床化学反应器的数学建模。目前，模拟仅限于处理几百到一千个粒子，但真正的固定床反应器可以由数万到数十万个粒子组成。问题是如何将PRCFD模型应用于实际的固定床反应堆。这篇综述的重点是解决这个问题的方法，包括通过增加颗粒数量或包括更真实的反应动力学来发展获得更有用的PRCFD模型的能力，改进PRCFD方法，将PRCFD应用于新的反应堆配置和非球形颗粒形状，以及使用PRCFD提供一个基本的理解，可以在全反应堆规模上转化为有效的连续体模型。讨论了未来的方向，包括使用机器学习等工具来扩展PRCFD建模的能力。

引用次数: 0

Comprehensive management of energy carriers: a circular economy perspective 能源载体的综合管理：循环经济视角

IF 6.8 2区工程技术 Q1 BIOTECHNOLOGY & APPLIED MICROBIOLOGY

Current Opinion in Chemical Engineering

Pub Date : 2026-01-14 DOI: 10.1016/j.coche.2025.101224

Tania Itzel Serrano-Arévalo, César Ramírez-Márquez, José María Ponce-Ortega

This article offers an opinion on the current demand and outlook of energy carriers, innovations, and how these carriers are integrated into the industry to optimize the sustainability of supply chains. This article highlights the potential of energy carriers to reduce environmental impact and improve resource efficiency by demonstrating that, while significant challenges such as high initial costs and technological limitations exist, energy carriers also offer opportunities for cost savings, energy efficiency, and enhanced sustainability. The importance of adopting circular economy practices, including advanced recycling and reuse strategies, process optimization, and collaborative efforts across industries and governments, is emphasized.

本文就能源载体的当前需求和前景、创新以及如何将这些载体整合到行业中以优化供应链的可持续性提出了看法。本文强调了能源载体在减少环境影响和提高资源效率方面的潜力，证明了尽管存在高初始成本和技术限制等重大挑战，但能源载体也为节约成本、提高能源效率和增强可持续性提供了机会。强调了采用循环经济实践的重要性，包括先进的回收和再利用战略、过程优化以及跨行业和政府的合作努力。

引用次数: 0

Integrated CO2 capture and electrolysis: advancing industrial implementation 二氧化碳捕集和电解一体化：推进工业实施

IF 6.8 2区工程技术 Q1 BIOTECHNOLOGY & APPLIED MICROBIOLOGY

Current Opinion in Chemical Engineering

Pub Date : 2026-01-14 DOI: 10.1016/j.coche.2025.101222

Fabian Hauf , Sam Van Daele , Mulatu Kassie Birhanu , Stefan Haufe , Tom Breugelmans , Elias Klemm

The electrochemical reduction reaction of CO₂ into valuable chemicals offers a promising route for carbon management and renewable energy storage. However, the economic feasibility of conventional CO₂ electrolysis is hindered by the energy-intensive provision of CO₂. This mini review systematically explores the integrated CO₂ electrolysis approach, which directly couples the electrolyzer with CO₂ capture media, thereby passing costly intermediate stages. We concisely review the core aspects of this technology, including specialized cell designs, critical process parameters, and a focused comparison of absorbent solutions. This comparison encompasses their CO₂ absorption capacity, as well as the advantages and limitations of each group of absorbents in the integrated system. The role of reactive capture of amino acids in integrated electrolysis is also highlighted briefly. Finally, the review aims to assess the technology readiness level of the integrated CO₂ electrolysis and guide future research towards the development of an efficient and scalable technology.

二氧化碳的电化学还原反应为碳管理和可再生能源储存提供了一条有前途的途径。然而，传统二氧化碳电解的经济可行性受到二氧化碳能源密集型供应的阻碍。这篇综述系统地探讨了集成的二氧化碳电解方法，该方法直接将电解槽与二氧化碳捕获介质耦合，从而通过昂贵的中间阶段。我们简要地回顾了该技术的核心方面，包括专门的细胞设计，关键工艺参数，以及吸收剂溶液的重点比较。这种比较包括它们的CO2吸收能力，以及每组吸收剂在综合系统中的优势和局限性。简要地强调了氨基酸的反应性捕获在综合电解中的作用。最后，综述旨在评估集成CO2电解的技术准备水平，并指导未来的研究朝着高效和可扩展的技术发展。

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引用次数: 0

Modeling of industrial multiphase reactors 工业多相反应器的建模

IF 6.8 2区工程技术 Q1 BIOTECHNOLOGY & APPLIED MICROBIOLOGY

Current Opinion in Chemical Engineering

Pub Date : 2026-01-13 DOI: 10.1016/j.coche.2025.101223

Jia Wei Chew , Madhava Syamlal , Ronnie Andersson , Ray Cocco

Industrial multiphase reactors remain among the most challenging systems to model due to their complexity, multiscale coupling, and persistent uncertainties in turbulence, interphase transport, and constitutive closures. While traditional approaches combining first-principles physics, empirical correlations, and numerical pragmatism have enabled substantial progress, fundamental limitations persist. This perspective outlines how advances in artificial intelligence (AI), high-performance computing, and, eventually, quantum computing (QC) can steer multiphase modeling toward industry-ready predictive capability with an accuracy unthinkable today.

AI enables more generalizable, physics-constrained closures, while graphics processing units (GPUs) and exascale platforms already enable industry-scale simulations at unprecedented fidelity. Although QC is a longer-term prospect, hybrid quantum–classical approaches offer pathways to address complexities beyond classical limits. These developments promise to transform modeling workflows and engineering practice, with direct implications for scale-up, reliability, sustainability, and cost reduction. We highlight key research priorities, including multiphase-aware turbulence models, AI-assisted closures, hybrid solvers, computing architectures, and rigorous verification, validation, and uncertainty quantification.

工业多相反应器由于其复杂性、多尺度耦合、湍流、相间输运和本构闭等方面的持续不确定性，仍然是最具挑战性的系统建模之一。虽然结合第一性原理物理学、经验相关性和数值实用主义的传统方法取得了实质性进展，但基本的局限性仍然存在。这一观点概述了人工智能（AI）、高性能计算以及最终量子计算（QC）的进步如何将多相建模引导到行业就绪的预测能力，其准确性在今天是不可想象的。人工智能支持更通用的、物理约束的闭包，而图形处理单元（gpu）和百亿亿级平台已经能够以前所未有的保真度实现工业规模的模拟。虽然量子质量控制是一个长期的前景，但混合量子经典方法提供了解决超越经典限制的复杂性的途径。这些发展有望改变建模工作流程和工程实践，并直接影响到规模扩大、可靠性、可持续性和成本降低。我们强调了关键的研究重点，包括多相感知湍流模型、人工智能辅助闭包、混合求解器、计算架构，以及严格的验证、验证和不确定性量化。

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引用次数: 0

Integrating electrochemical and microbial processes for CO2 conversion at scale 整合电化学和微生物过程的二氧化碳转化规模

IF 6.8 2区工程技术 Q1 BIOTECHNOLOGY & APPLIED MICROBIOLOGY

Current Opinion in Chemical Engineering

Pub Date : 2026-01-10 DOI: 10.1016/j.coche.2025.101221

Paniz Izadi , Deepak Pant , Falk Harnisch

Combining microbial with electrochemical conversion of CO₂ to gain valuable chemical compounds is of paramount importance, with this review providing an assessment of the current state of the scale-up. It introduces and critically examines both direct and indirect strategies that integrate electrochemical and microbial processes for CO₂ utilisation by highlighting the progress achieved at laboratory scales. These advancements have been instrumental in opening new frontiers and identifying fundamental challenges. However, many issues only emerge during scale-up, including limitations related to reactor design, mass transfer, and process stability. We illustrate the need for systematic investigations at pilot and industrial scales, not only to identify and overcome these scale-dependent challenges but also to identify and leverage advantages that come with process intensification and integration. Given the maturity of the technology, we call for setting mandatory essential performance metrics that allow thorough assessment and argue that it is now time to shift the focus toward larger scales to fully realise the potential of bio|electrochemical CO₂ conversion for sustainable chemical production.

结合微生物与CO2的电化学转化来获得有价值的化合物是至关重要的，这篇综述提供了扩大规模的现状评估。它通过强调在实验室规模上取得的进展，介绍并严格检查了整合电化学和微生物过程的二氧化碳利用的直接和间接策略。这些进步在开辟新领域和确定基本挑战方面发挥了重要作用。然而，许多问题只在放大过程中出现，包括与反应器设计、传质和过程稳定性有关的限制。我们说明了在试点和工业规模上进行系统调查的必要性，不仅要确定和克服这些依赖于规模的挑战，还要确定和利用过程集约化和集成带来的优势。鉴于该技术的成熟，我们呼吁制定强制性的基本性能指标，以便进行彻底的评估，并认为现在是时候将重点转向更大规模，以充分实现生物|电化学CO2转化在可持续化工生产中的潜力。

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引用次数: 0

Ionomer–catalyst interaction in the catalyst layer for alkaline membrane water electrolysis 碱膜电解催化剂层中离聚体-催化剂的相互作用

IF 6.8 2区工程技术 Q1 BIOTECHNOLOGY & APPLIED MICROBIOLOGY

Current Opinion in Chemical Engineering

Pub Date : 2026-01-10 DOI: 10.1016/j.coche.2025.101220

Katerina Hradecna , Anastasiia Hubina , Jaromir Hnat , Karel Bouzek

Alkaline membrane water electrolysis is gaining attention as a hydrogen production technology combining the advantages of the alkaline and proton exchange membrane water electrolysis. To fully utilize the potential of this technology, it is necessary to prepare a membrane-electrode assembly characterized by high efficiency and intensity of electrolysis. One of the vital demands to achieve this target is the establishment of a frequent triple-phase boundary. If a concentrated liquid electrolyte is used, this boundary occurrence is established due to the ionic conductivity of the electrolyte solution. In the case of a diluted liquid electrolyte, in the ideal case, demineralized water circulating through the cell, this task is accomplished by the interactions between catalyst and ionomer, fulfilling the role of binder and ion conductor. This review focuses on advances in the second approach, namely ionomer design, catalyst layer composition, and the impact of the selected parameters such as catalyst to binder ratio, catalyst load, and type of membrane–electrode assembly.

碱性膜电解作为一种结合了碱性膜电解和质子交换膜电解优点的制氢技术，正受到人们的关注。为了充分利用这一技术的潜力，有必要制备一种具有高效率和高电解强度的膜电极组件。实现这一目标的关键要求之一是建立频繁的三相边界。如果使用浓缩液体电解质，则由于电解质溶液的离子电导率，这种边界发生是建立的。在稀释液体电解质的情况下，在理想的情况下，脱盐水在电池中循环，这一任务是通过催化剂和离聚体之间的相互作用来完成的，履行粘合剂和离子导体的作用。本文重点介绍了第二种方法的进展，即离聚体设计、催化剂层组成以及催化剂与粘合剂比、催化剂负载和膜电极组装类型等参数的影响。

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引用次数: 0

Kinetic and thermodynamic limitations in direct air capture: toward optimized adsorbent design and regeneration strategies 直接空气捕获的动力学和热力学限制：朝向优化吸附剂设计和再生策略

IF 6.8 2区工程技术 Q1 BIOTECHNOLOGY & APPLIED MICROBIOLOGY

Current Opinion in Chemical Engineering

Pub Date : 2026-01-09 DOI: 10.1016/j.coche.2025.101219

Xiaohao Jia , Ali A Rownaghi , Fateme Rezaei

Direct air capture (DAC) faces significant kinetic and thermodynamic challenges due to the ultra-dilute CO₂ concentration in the atmosphere (∼0.04%). Narrowing these gaps is essential for enhancing the efficiency and viability of DAC as a negative emissions technology. This review systematically explores three strategies to address these challenges: (i) optimizing the pore structure of adsorbents, (ii) incorporating surfactants, and (iii) optimizing the regeneration process. By focusing on the above strategies, this study highlights recent advancements in improving adsorption equilibrium and kinetics, and energy efficiency under DAC conditions, which provides insight for guiding future research and advancing DAC technologies.

由于大气中的二氧化碳浓度极低（~ 0.04%），直接空气捕集（DAC）面临着显著的动力学和热力学挑战。缩小这些差距对于提高DAC作为一种负排放技术的效率和可行性至关重要。本文系统地探讨了应对这些挑战的三种策略：(1)优化吸附剂的孔隙结构，(2)加入表面活性剂，(3)优化再生过程。通过对上述策略的关注，本研究重点介绍了在DAC条件下改善吸附平衡和动力学以及能量效率的最新进展，为指导未来的研究和推进DAC技术提供了见解。

引用次数: 0

Anion exchange membrane electrolysis beyond the lab scale: a review on research and industry stacks 实验室规模以外的阴离子交换膜电解：研究和工业进展综述

IF 6.8 2区工程技术 Q1 BIOTECHNOLOGY & APPLIED MICROBIOLOGY

Current Opinion in Chemical Engineering

Pub Date : 2026-01-02 DOI: 10.1016/j.coche.2025.101218

Verónica Rodríguez, Celia Gómez-Sacedón, Paula Sánchez, Antonio de Lucas-Consuegra

This review provides a comprehensive overview of the current state-of-the-art in anion exchange membrane (AEM) water electrolysis stacks, bridging advances from both academic research and main supplier companies. On the one hand, academic studies address the key components and operating conditions of AEM stacks, including electrocatalysts for the hydrogen evolution reaction and oxygen evolution reaction, with particular emphasis on catalysts synthesis optimization, scalability, and the transition toward noble-metal-free alternatives. The selection and development of durable AEMs and porous transport layers, as well as parameters such as temperature, electrolyte composition, and concentration, are also examined as key factors that govern stack performance and stability. On the other hand, the principal AEM stacks that are commercially available were also reviewed to compare and evaluate industrial-scale AEM stack operation, thereby contextualizing academic advances within real-world performance.

本文综述了目前阴离子交换膜（AEM）电解技术的最新进展，并结合了学术研究和主要供应商公司的进展。一方面，学术研究涉及AEM堆的关键部件和操作条件，包括析氢反应和析氧反应的电催化剂，特别强调催化剂的合成优化、可扩展性以及向无贵金属替代品的过渡。耐用AEMs和多孔输运层的选择和开发，以及温度、电解质成分和浓度等参数，也被视为影响堆叠性能和稳定性的关键因素。另一方面，还回顾了主要的商用AEM堆栈，以比较和评估工业规模的AEM堆栈操作，从而将学术进展与现实世界的性能相结合。

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Multi-agent systems for chemical engineering: a review and perspective 化工多主体系统：综述与展望

IF 6.8 2区工程技术 Q1 BIOTECHNOLOGY & APPLIED MICROBIOLOGY

Current Opinion in Chemical Engineering

Pub Date : 2025-12-24 DOI: 10.1016/j.coche.2025.101209

Sophia Rupprecht, Qinghe Gao, Tanuj Karia, Artur M Schweidtmann

Large language model (LLM)-based multi-agent systems (MASs) are a recent but rapidly evolving technology with the potential to transform chemical engineering by decomposing complex workflows into teams of collaborative agents with specialized knowledge and tools. This review surveys the state-of-the-art of MASs within chemical engineering. While early studies demonstrate promising results, scientific challenges remain, including the design of tailored architectures, integration of heterogeneous data modalities, development of foundation models with domain-specific modalities, and strategies for ensuring transparency, safety, and environmental impact. As a young but fast-moving field, MASs offer exciting opportunities to rethink chemical engineering workflows.

基于大语言模型（LLM）的多智能体系统（MASs）是一项最新但发展迅速的技术，有可能通过将复杂的工作流程分解为具有专业知识和工具的协作智能体团队来改变化学工程。本文综述了化学工程中MASs的研究现状。虽然早期的研究显示了有希望的结果，但科学挑战仍然存在，包括定制架构的设计、异构数据模式的集成、具有特定领域模式的基础模型的开发，以及确保透明度、安全性和环境影响的策略。作为一个年轻但快速发展的领域，MASs为重新思考化学工程工作流程提供了令人兴奋的机会。

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