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Global warming footprint of the electrochemical reduction of carbon dioxide to formate
Dominguez-Ramos, A.1; Singh, B.2; Zhang, X.2,3; Hertwich, E. G.2; Irabien, A.1
2015-10-01
Source PublicationJOURNAL OF CLEANER PRODUCTION
ISSN0959-6526
Volume104Issue:OCTPages:148-155
Abstract

Carbon dioxide Capture and Storage (CCS) is an important technological option for climate change mitigation. Utilization (U) of this captured CO2 as raw material for Electrochemical Reduction (ER) has been suggested as a valorization option to produce organics such as formate-based products. Previous work has focused on the influence of operating conditions or the selected cathodic material on the faradaic efficiency and distribution of products. The environmental sustainability of formate production through the ER of CO2 has been assumed rather than investigated. In this study, we perform a life cycle assessment, focusing on resources and greenhouse gas (GHG) emissions. Even though the processes reported in the literature result in a wide range of GHG emissions for the ER of CO2 to formate-based products from 32 to 519 kg CO2-eq center dot(kg HCOO-)(-1), this is higher than the current commercial production processes (3.1 kg CO2-eq center dot(kg HCOO-)(-1)). The consumption of chemicals by the electrolysis and of steam in the purification of the final formate products are found to be the dominant causes of environmental burdens of the integrated process. A future scenario under very optimistic conditions suggests 0.33 kg CO2-eq center dot(kg HCOO-)(-1) thus presenting a potential pathway to an environmentally sustainable CO2 utilization option. (C) 2013 Elsevier Ltd. All rights reserved.

KeywordEnvironmental Sustainability Analysis Life Cycle Assessment Electrochemical Reduction Carbon Capture And Utilization
SubtypeArticle
WOS HeadingsScience & Technology ; Technology ; Life Sciences & Biomedicine
DOI10.1016/j.jclepro.2013.11.046
Indexed BySCI
Language英语
WOS KeywordIONIC LIQUID ; FUEL-CELLS ; METHANOL ECONOMY ; CO2 ; HYDROCARBONS ; CONVERSION ; GAS ; ELECTROREDUCTION ; ELECTRODE ; REACTOR
WOS Research AreaEngineering ; Environmental Sciences & Ecology
WOS SubjectEngineering, Environmental ; Environmental Sciences
WOS IDWOS:000357552900015
Citation statistics
Cited Times:40[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/19398
Collection多相复杂系统国家重点实验室
Affiliation1.Univ Cantabria, ETSIIyT, Dept Ingn Quim & Quim Inorgan, E-39005 Santander, Spain
2.Norwegian Univ Sci & Technol NTNU, Dept Energy & Proc Engn, Ind Ecol Programme, N-7491 Trondheim, Norway
3.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Dominguez-Ramos, A.,Singh, B.,Zhang, X.,et al. Global warming footprint of the electrochemical reduction of carbon dioxide to formate[J]. JOURNAL OF CLEANER PRODUCTION,2015,104(OCT):148-155.
APA Dominguez-Ramos, A.,Singh, B.,Zhang, X.,Hertwich, E. G.,&Irabien, A..(2015).Global warming footprint of the electrochemical reduction of carbon dioxide to formate.JOURNAL OF CLEANER PRODUCTION,104(OCT),148-155.
MLA Dominguez-Ramos, A.,et al."Global warming footprint of the electrochemical reduction of carbon dioxide to formate".JOURNAL OF CLEANER PRODUCTION 104.OCT(2015):148-155.
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