DICP OpenIR
Size Effects of ZnO Nanoparticles in Bifunctional Catalysts for Selective Syngas Conversion
Liu, Na1,2; Jiao, Feng1; Pan, Xiulian1; Ding, Yi1,3; Feng, Jingyao1,2; Bao, Xinhe1
Corresponding AuthorPan, Xiulian(panxl@dicp.ac.cn) ; Bao, Xinhe(xhbao@dicp.ac.cn)
Keywordsyngas conversion oxides size effects ZnO light olefins
Source PublicationACS CATALYSIS
2019-02-01
ISSN2155-5435
DOI10.1021/acscatal.8b04105
Volume9Issue:2Pages:960-966
Funding ProjectMinistry of Science and Technology of China[2016YFA0202803] ; National Natural Science Foundation of China[91645204] ; National Natural Science Foundation of China[21425312] ; National Natural Science Foundation of China[21621063] ; Chinese Academy of Sciences[XDA21020400]
Funding OrganizationMinistry of Science and Technology of China ; Ministry of Science and Technology of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Ministry of Science and Technology of China ; Ministry of Science and Technology of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Ministry of Science and Technology of China ; Ministry of Science and Technology of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Ministry of Science and Technology of China ; Ministry of Science and Technology of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese Academy of Sciences ; Chinese Academy of Sciences
WOS SubjectChemistry, Physical
WOS Research AreaChemistry
WOS KeywordCOBALT PARTICLE-SIZE ; FISCHER-TROPSCH SYNTHESIS ; LOWER OLEFINS ; CARBON-DIOXIDE ; OXIDE ; CO2 ; HYDROGENATION ; REDUCTION ; NO
AbstractThe oxide-zeolite (OX-ZEO) bifunctional catalyst design concept has shown promising potential for selectivity control in syngas conversion by separating CO activation and C-C coupling onto oxides and zeolites, respectively. However, the structural effects of the oxides are far from being understood. Herein, we take a single component, ZnO, as a probe oxide in combination with SAPO-34 as a composite catalyst for light olefins synthesis from syngas. The space time yield of hydrocarbons significantly increases as the ZnO crystal size decreases from 79 to 23 nm, which can be attributed to more active centers available over smaller particles with a higher specific surface area. The apparent turnover frequency (TOF) for formation of light olefins (TOFfight olefins) increases over smaller ZnO particles, whereas TOFlight paraffins decreases, leading to an increased ratio of light olefins/light paraffins, which indicates that smaller particles benefit the formation of olefins. These results demonstrate that it is crucial to control the particle size of oxides to design more active and selective OX-ZEO catalysts for syngas conversion to olefins.
Language英语
Funding OrganizationMinistry of Science and Technology of China ; Ministry of Science and Technology of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Ministry of Science and Technology of China ; Ministry of Science and Technology of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Ministry of Science and Technology of China ; Ministry of Science and Technology of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Ministry of Science and Technology of China ; Ministry of Science and Technology of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese Academy of Sciences ; Chinese Academy of Sciences
WOS IDWOS:000458707000020
PublisherAMER CHEMICAL SOC
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/165959
Collection中国科学院大连化学物理研究所
Corresponding AuthorPan, Xiulian; Bao, Xinhe
Affiliation1.Chinese Acad Sci, Dalian Inst Chem Phys, 2011 Collaborat Innovat Ctr Chem Energy Mat, State Key Lab Catalysis,Dalian Natl Lab Clean Ene, Zhongshan Rd 457, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Univ Sci & Technol China, Dept Chem Phys, 96 Jinzhai Rd, Hefei 230026, Anhui, Peoples R China
Recommended Citation
GB/T 7714
Liu, Na,Jiao, Feng,Pan, Xiulian,et al. Size Effects of ZnO Nanoparticles in Bifunctional Catalysts for Selective Syngas Conversion[J]. ACS CATALYSIS,2019,9(2):960-966.
APA Liu, Na,Jiao, Feng,Pan, Xiulian,Ding, Yi,Feng, Jingyao,&Bao, Xinhe.(2019).Size Effects of ZnO Nanoparticles in Bifunctional Catalysts for Selective Syngas Conversion.ACS CATALYSIS,9(2),960-966.
MLA Liu, Na,et al."Size Effects of ZnO Nanoparticles in Bifunctional Catalysts for Selective Syngas Conversion".ACS CATALYSIS 9.2(2019):960-966.
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