| A novel risk score-based prioritization method for pollutants in reclaimed water | |
Guo, Qiaorong; Wei, Dongbin ; Wang, Feipeng; Chen, Miao; Du, Yuguo
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| 2021-11-15 | |
| Source Publication | SCIENCE OF THE TOTAL ENVIRONMENT
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| ISSN | 2095-4956 |
| Volume | 61Pages:297-303 |
| Abstract | Thermochemical two-step CO2 splitting is a potential approach that fixes the sustainable resource into transportable liquid fuels. However, the harsh CO2 splitting conditions, the limited oxygen release kinetics and capacity of metal oxides block further promoted the CO yield and solar-to-fuel energy efficiency. Here, we propose a different carbon cycle assisted by Ni/La2O3 via coupling methane decomposition with thermochemical CO2 splitting, replacing conventional metal oxides cycle. Superior performance was demonstrated with methane conversion reached around 94% with almost pure H-2 generation. Encouragingly, CO2 conversion of 98% and CO yield of 6.9 mmol g(-1) derived from CO2 were achieved, with peak CO evolution rate (402 mL min(-1) g(-1)) of orders of magnitude higher than that in metal oxide process and outstanding thermodynamic solar-to-fuel energy efficiency (55.5% vs. 18.5%). This was relevant to the synergistic activation of La2O3 and Ni for CO2 in carbon cycle, thus improving CO2 splitting reaction with carbon species. (C) 2021 Science Press and Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by ELSEVIER B.V. and Science Press. All rights reserved. |
| Department | 环境化学与生态毒理学国家重点实验室 |
| Keyword | Thermochemical CO2 splitting Carbon deposition CH4 conversion H-2 generation Thermodynamic energy efficiency |
| Document Type | 期刊论文 |
| Identifier | https://ir.rcees.ac.cn/handle/311016/46790 |
| Collection | 环境化学与生态毒理学国家重点实验室 |
| Affiliation | 1.Chinese Acad Sci, State Key Lab Environm Chem & Ecotoxicol, Res Ctr Ecoenvironm Sci, Beijing 100085, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China |
| Recommended Citation GB/T 7714 | Guo, Qiaorong,Wei, Dongbin,Wang, Feipeng,et al. A novel risk score-based prioritization method for pollutants in reclaimed water[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2021,61:297-303. |
| APA | Guo, Qiaorong,Wei, Dongbin,Wang, Feipeng,Chen, Miao,&Du, Yuguo.(2021).A novel risk score-based prioritization method for pollutants in reclaimed water.SCIENCE OF THE TOTAL ENVIRONMENT,61,297-303. |
| MLA | Guo, Qiaorong,et al."A novel risk score-based prioritization method for pollutants in reclaimed water".SCIENCE OF THE TOTAL ENVIRONMENT 61(2021):297-303. |
| Files in This Item: | ||||||
| File Name/Size | DocType | Version | Access | License | ||
| A novel risk score-b（982KB） | 期刊论文 | 出版稿 | 开放获取 | CC BY-NC-SA | View Application Full Text | |
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