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Catalytic hydrogenation of CO2 to produce lower alcohols and ether over Co-Cu-Zn-Al catalyst
Li, Jia-Chen; Cao, Yan; Xu, Shuang; He, Peng; Wang, Liguo; Hui, Xiang; Li, Hui-Quan
2021-12-09
Source PublicationGREENHOUSE GASES-SCIENCE AND TECHNOLOGY
ISSN2152-3878
Pages11
AbstractIn this work, Cu-Co-Zn-Al catalysts were prepared by synchronous aging coprecipitation method for direct hydrogenation of CO2 to lower alcohols and ether. The catalysts were characterized by N-2 phyhsical adsorption, ICP-OES, TEM, SEM, XRD, EDX, and XPS. Results showed that the particle size of catalysts ranged from 8.6 to 10.6 nm, indicating that higher reduction temperature resulted in the aggregation of the metal oxide particles. The sheet-like morphology of catalyst Cu-Co-Zn-Al-500 is beneficial to expose more active sites. During the reduction process, Co3O4 was reduced to CoO and Co, and CuO was reduced to metallic Cu. Moreover, catalytic performance evaluation results showed that under the reaction temperature of 200 degrees C and reaction time of 10 h, the total carbon formation rate of the liquid product reached 116 C mu mol center dot gcat(-1)center dot h(-1), with the corresponding yields of methanol, ethanol, propanol, and diisopropyl ether were 31, 41, 12, and 32 C mu mol center dot gcat(-1)center dot h(-1), respectively. Mechanism study suggested that, Cu played the role of activating the C=O bond of CO2 to form intermediates, Co2+ and Co-0 played an important role for C-C coupling in the reaction, ZnO improved the dispersion and stability of Cu, and Al2O3 as a support played a role in promoting methanol synthesis and alcohol dehydration to produce diisopropyl ether due to its strong Lewis acidity. (c) 2021 Society of Chemical Industry and John Wiley & Sons, Ltd.
Keywordhydrogenation of CO2 lower alcohols Co-Cu-Zn-Al catalyst carbon-carbon coupling
DOI10.1002/ghg.2135
Language英语
WOS KeywordCARBON-DIOXIDE ; CU/ZNO/AL2O3 CATALYSTS ; METHANOL ; ETHANOL ; CONVERSION ; REDUCTION ; TEMPERATURE ; PERFORMANCE ; PHASE
Funding Project"Transformational Technologies for Clean Energy and Demonstration," Strategic Priority Research Program of the Chinese Academy of Sciences[XDA 21030600] ; Science and Technology Service Network Initiative, Chinese Academy of Sciences[KFJ-STS-QYZD-138] ; National Key Research and Development Program of China[2019YFC1906701]
WOS Research AreaEnergy & Fuels ; Engineering ; Environmental Sciences & Ecology
WOS SubjectEnergy & Fuels ; Engineering, Environmental ; Environmental Sciences
Funding Organization"Transformational Technologies for Clean Energy and Demonstration," Strategic Priority Research Program of the Chinese Academy of Sciences ; Science and Technology Service Network Initiative, Chinese Academy of Sciences ; National Key Research and Development Program of China
WOS IDWOS:000728334500001
PublisherWILEY PERIODICALS, INC
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/51339
Collection中国科学院过程工程研究所
Corresponding AuthorWang, Liguo
Affiliation1.Chinese Acad Sci, CAS Key Lab Green Proc & Engn, Natl Engn Res Ctr Strateg Met Resources Green Rec, Inst Proc Engn, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Sch Chem Engn, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Li, Jia-Chen,Cao, Yan,Xu, Shuang,et al. Catalytic hydrogenation of CO2 to produce lower alcohols and ether over Co-Cu-Zn-Al catalyst[J]. GREENHOUSE GASES-SCIENCE AND TECHNOLOGY,2021:11.
APA Li, Jia-Chen.,Cao, Yan.,Xu, Shuang.,He, Peng.,Wang, Liguo.,...&Li, Hui-Quan.(2021).Catalytic hydrogenation of CO2 to produce lower alcohols and ether over Co-Cu-Zn-Al catalyst.GREENHOUSE GASES-SCIENCE AND TECHNOLOGY,11.
MLA Li, Jia-Chen,et al."Catalytic hydrogenation of CO2 to produce lower alcohols and ether over Co-Cu-Zn-Al catalyst".GREENHOUSE GASES-SCIENCE AND TECHNOLOGY (2021):11.
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