Nature Chemical Engineering最新文献_第7页

Redox decoupling enables efficient electrochemical direct air capture 氧化还原去耦实现了高效的电化学直接空气捕获

Nature Chemical Engineering Pub Date : 2026-05-26 DOI: 10.1038/s44286-026-00384-1

Zhengnan Tian, Yayuan Liu

引用次数: 0

Water molecules bring the energy 水分子带来能量

Nature Chemical Engineering Pub Date : 2026-05-26 DOI: 10.1038/s44286-026-00395-y

Albert Tianxiang Liu

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Redox-decoupled electrolysis for direct air capture of CO2 氧化还原解耦电解用于直接空气捕获CO2

Nature Chemical Engineering Pub Date : 2026-05-26 DOI: 10.1038/s44286-026-00391-2

Shijie Liu, Yurou Celine Xiao, Dongha Kim, Zunmin Guo, Eloi Grignon, Yuke Li, Ian Munroe, Hang Zhang, Jiexin Zhu, Zhizheng Wu, Jonathan P. Edwards, Jinqiang Zhang, Jieyuan Liu, Panagiotis Papangelakis, Yuxuan Che, Hyeon Seok Lee, Feng Li, Prasad V. Sarma, Qiyou Wang, Cai Wang, Todd Scheidt, Rui Kai Miao, Dwight Seferos, Yi Xu, David Sinton

{"title":"Redox-decoupled electrolysis for direct air capture of CO2","authors":"Shijie Liu, Yurou Celine Xiao, Dongha Kim, Zunmin Guo, Eloi Grignon, Yuke Li, Ian Munroe, Hang Zhang, Jiexin Zhu, Zhizheng Wu, Jonathan P. Edwards, Jinqiang Zhang, Jieyuan Liu, Panagiotis Papangelakis, Yuxuan Che, Hyeon Seok Lee, Feng Li, Prasad V. Sarma, Qiyou Wang, Cai Wang, Todd Scheidt, Rui Kai Miao, Dwight Seferos, Yi Xu, David Sinton","doi":"10.1038/s44286-026-00391-2","DOIUrl":"10.1038/s44286-026-00391-2","url":null,"abstract":"Electrochemical direct air capture (eDAC) leverages renewable electricity to remove atmospheric carbon dioxide (CO2), offering an alternative to carbon-intensive thermal methods. However, existing eDAC systems achieve high energy efficiency only when producing a dilute hydroxide stream (pH ≈ 13) that is incompatible with current air contactors. Attempts to generate more concentrated capture solutions encounter the fundamental limitation of proton and hydroxide recombination, lowering the current efficiency and increasing energy requirements. Here we present a decoupled strategy whereby CO2 liberation and sorbent regeneration are spatially separated, achieving high current and energy efficiency via redox-decoupled electrolysis. We tuned the redox mediator and synthesized a cation exchange membrane to ensure fast reaction kinetics, a low operating voltage and stability. The combined redox-decoupled approach achieved a capture-rate-normalized energy intensity of 0.22 GJ m2 yr t−2 (at 50 mA cm−2), a threefold improvement over previous work. Redox-decoupled eDAC provides an energy-efficient means of generating the concentrated alkaline capture solutions needed for large-scale direct air capture. Electrochemical direct air capture achieves high energy efficiency only when producing a dilute hydroxide stream that is incompatible with existing air contactors. This study reports a redox-decoupled electrolysis strategy that spatially separates CO2 liberation and sorbent regeneration, substantially improving current and energy efficiency.","PeriodicalId":501699,"journal":{"name":"Nature Chemical Engineering","volume":"3 5","pages":"261-271"},"PeriodicalIF":0.0,"publicationDate":"2026-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148012363","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

Author Correction: High-titer, antibiotic-free, pilot-scale production of 1,3-propanediol by engineered Corynebacterium 作者更正：高滴度，无抗生素，工程棒状杆菌生产1,3-丙二醇的中试规模

Nature Chemical Engineering Pub Date : 2026-05-21 DOI: 10.1038/s44286-026-00404-0

Jae Sung Cho, Cindy Pricilia Surya Prabowo, Taehee Han, Cheon Woo Moon, Yoo-Sung Ko, Changhee Cho, Je Woong Kim, Won Jun Kim, Hyun Bae Bang, Jae Eun Lee, Minjung Ki, Namjin Jang, Sang Yup Lee

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Ratcheting ion transport 棘轮离子传递

Nature Chemical Engineering Pub Date : 2026-05-20 DOI: 10.1038/s44286-026-00398-9

Mo Qiao

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Capillaries do the lifting 毛细血管起抬升作用

Nature Chemical Engineering Pub Date : 2026-05-19 DOI: 10.1038/s44286-026-00399-8

Alison Wright

引用次数: 0

Plant-level decarbonization pathways and mitigation costs of global oil refineries 全球炼油厂的植物级脱碳途径和减缓成本

Nature Chemical Engineering Pub Date : 2026-05-15 DOI: 10.1038/s44286-026-00394-z

Shijun Ma, Jing Meng, Tianyang Lei, Kailan Tian, Xi Liang, Liang Jing, Hassan El-Houjeiri, Diling Liang, Peipei Chen, Dabo Guan

{"title":"Plant-level decarbonization pathways and mitigation costs of global oil refineries","authors":"Shijun Ma, Jing Meng, Tianyang Lei, Kailan Tian, Xi Liang, Liang Jing, Hassan El-Houjeiri, Diling Liang, Peipei Chen, Dabo Guan","doi":"10.1038/s44286-026-00394-z","DOIUrl":"10.1038/s44286-026-00394-z","url":null,"abstract":"Oil refining is a major industrial CO2 emitter and requires rapid decarbonization to align with climate goals. While decarbonization has been widely discussed at national and global levels, successful implementation relies on mitigation options that are technically feasible and economically competitive at individual refineries. Here we develop a plant-level decarbonization pathway model, coupling refinery-specific operating characteristics with dynamic costs of low-carbon technologies. The global refining sector, especially deep conversion refineries, could be substantially decarbonized through carbon capture and storage and clean hydrogen. Regional differences in refinery age and configuration lead to heterogeneous decarbonization pathways. In China, over 60% of mitigation costs in deep-conversion refineries are associated with carbon capture and storage at furnaces and boilers, whereas in the USA, approximately 40% arise from replacing steam methane reformers with biomass gasification for hydrogen production. Combining shorter retrofitting cycles with bio-crude oil adoption would further increase cumulative mitigation and enable negative CO2 emissions. Our findings identify feasible, cost-effective plant-level mitigation strategies and provide actionable evidence for accelerating climate mitigation. Decarbonizing oil refining is essential to meeting climate targets. Here the authors develop a plant-level low-carbon pathway model to reveal heterogeneous decarbonization pathways across oil refineries and to quantify the associated emissions reduction potential and mitigation costs.","PeriodicalId":501699,"journal":{"name":"Nature Chemical Engineering","volume":"3 5","pages":"298-310"},"PeriodicalIF":0.0,"publicationDate":"2026-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.nature.comhttps://www.nature.com/articles/s44286-026-00394-z.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148012366","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

A knowledge graph framework for digital twins of chemical processes 化工过程数字孪生的知识图谱框架

Nature Chemical Engineering Pub Date : 2026-05-14 DOI: 10.1038/s44286-026-00392-1

Shuyuan Zhang, Jiyizhe Zhang, Alexei A. Lapkin

{"title":"A knowledge graph framework for digital twins of chemical processes","authors":"Shuyuan Zhang, Jiyizhe Zhang, Alexei A. Lapkin","doi":"10.1038/s44286-026-00392-1","DOIUrl":"10.1038/s44286-026-00392-1","url":null,"abstract":"A digital twin, which virtually replicates a real system and fuses data, models and domain knowledge, is a key technology for accelerating chemical process development and addressing sustainability challenges. Despite its potential, one critical challenge lies in the lack of a systematic approach to integrate data, domain knowledge and predictive models to contextualize and represent chemical processes effectively. Here we propose a knowledge graph framework associated with autonomous functional agents to support the development of digital twins for chemical processes, enabling the seamless incorporation of chemical databases, artificial intelligence models and large language models. Ontologies are developed for physical models of chemical processes, allowing scalable model construction and calibration. We demonstrate the framework with practical case studies focusing on bottom-up model assembly, top-down model search and model-based reaction optimization. The framework presents an approach to manage models as a depository of chemical process knowledge, providing a foundation of digital twin technology for future chemical process development and manufacturing. This study reports a knowledge graph framework for constructing evolvable predictive physical models to support the development of digital twins for chemical processes, enabling the seamless incorporation of chemical databases, AI models and large language models. This work represents a step toward the knowledge-driven paradigm for future chemical process development and manufacturing.","PeriodicalId":501699,"journal":{"name":"Nature Chemical Engineering","volume":"3 5","pages":"286-297"},"PeriodicalIF":0.0,"publicationDate":"2026-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.nature.comhttps://www.nature.com/articles/s44286-026-00392-1.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148012368","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

Reforming a bridge between CO2 and bioproducts 在二氧化碳和生物产品之间架起一座桥梁

Nature Chemical Engineering Pub Date : 2026-05-14 DOI: 10.1038/s44286-026-00393-0

William B. Black, Han Li

引用次数: 0

High-titer, antibiotic-free, pilot-scale production of 1,3-propanediol by engineered Corynebacterium 高滴度、无抗生素、工程棒状杆菌中试生产1,3-丙二醇

Nature Chemical Engineering Pub Date : 2026-05-12 DOI: 10.1038/s44286-026-00389-w

Jae Sung Cho, Cindy Pricilia Surya Prabowo, Taehee Han, Cheon Woo Moon, Yoo-Sung Ko, Changhee Cho, Je Woong Kim, Won Jun Kim, Hyun Bae Bang, Jae Eun Lee, Minjung Ki, Namjin Jang, Sang Yup Lee

{"title":"High-titer, antibiotic-free, pilot-scale production of 1,3-propanediol by engineered Corynebacterium","authors":"Jae Sung Cho, Cindy Pricilia Surya Prabowo, Taehee Han, Cheon Woo Moon, Yoo-Sung Ko, Changhee Cho, Je Woong Kim, Won Jun Kim, Hyun Bae Bang, Jae Eun Lee, Minjung Ki, Namjin Jang, Sang Yup Lee","doi":"10.1038/s44286-026-00389-w","DOIUrl":"10.1038/s44286-026-00389-w","url":null,"abstract":"The microbial valorization of glycerol, a major biodiesel byproduct, into high-value chemicals remains challenging at industrially competitive titers. Here we engineered Corynebacterium glutamicum for high-level 1,3-propanediol (1,3-PDO) production, validating each step via fed-batch fermentation. First, C. glutamicum ATCC 13032 was metabolically engineered to produce 138 g l−1 1,3-PDO from glucose–glycerol and 100.9 g l−1 from glycerol alone. Key engineering strategies included establishing glycerol uptake and 1,3-PDO biosynthetic pathways, minimizing byproducts and optimizing fed-batch fermentation. We then transferred these strategies to a newly isolated strain, C. glutamicum SC97. Further engineering, including antibiotic-free plasmid addiction system and sucCD overexpression, enabled 141.5 g l−1 1,3-PDO at 2.95 g l−1 h−1 without antibiotics. Scalability was demonstrated at 30-l and 300-l pilot-scale fermentations, reaching 120.2 g l−1 and 127.8 g l−1 of 1,3-PDO, respectively. Techno-economic and life-cycle assessments support industrial feasibility and environmental impact, providing a robust blueprint for sustainable microbial 1,3-PDO production at scale. This study reports on engineered Corynebacterium glutamicum capable of converting glycerol, a major biodiesel byproduct, into 1,3-propanediol at industrially relevant titers. Through integrated strain design, optimization of fed-batch conditions, implementation of antibiotic-free systems and validation in pilot-scale fermentation, this study establishes a scalable blueprint for sustainable 1,3-propanediol biomanufacturing.","PeriodicalId":501699,"journal":{"name":"Nature Chemical Engineering","volume":"3 5","pages":"272-285"},"PeriodicalIF":0.0,"publicationDate":"2026-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148012367","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