中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Separation of diverse alkenes from c-2-c-4 alkanes through nanoporous graphene membranes via local size sieving

文献类型:期刊论文

Xu, yinxiang1,2,3; Xu, junbo3; Yang, chao1,3,4
SourceJournal of membrane science
2019-08-15
Volume584Pages:227-235
ISSN0376-7388
KeywordAlkane/alkene separation Local size sieving Competitive adsorption Nanoporous graphene membrane
DOI10.1016/j.memsci.2019.05.005
English AbstractCompared with the specialized membrane applied to separate one type of mixture, the membranes that are able to selectively separate diverse alkane/alkene mixtures are more valuable in chemical and petroleum industry. herein, we explored nine nanoporous graphene (ng) membranes including three basic pores and six expanded pores, which exhibit excellent permeance and ultrahigh selectivity for c2h4, c3h6 and c-4 h-6 over the corresponding alkanes. from the thermodynamic and dynamic insights, the local size sieving and competitive adsorption mechanisms play the crucial role in capturing alkenes but rejecting alkanes. the flat alkenyl blocks are smaller than the alkyl blocks, which is beneficial for alkenes to access and cross the confined pores. the above conclusions are further applicable for multilayer ng membranes with the one-dimensional channel. we anticipate our results of expanding pores with higher permeability while maintaining the selectivity can provide a valuable guidance for experimenters to fabricate effective nanopores with a certain tolerance in the future.
Funding ProjectNational Key R&D Program of China[2016YFB0301702] ; National Natural Science Foundation of China[21490584] ; National Natural Science Foundation of China[91534105] ; National Natural Science Foundation of China[51808362] ; National Natural Science Foundation of China[21878298] ; Key Research Program of Frontier Sciences of CAS[QYZDJ-SSW-JSC030] ; Youth Innovation Research Project of Science and Technology Department in Sichuan[2017TD0027] ; Innovative Research Platform of Sichuan Development and Reform Commission[2016-298]
WOS KeywordMETAL-ORGANIC FRAMEWORK ; MOLECULAR-DYNAMICS ; MIXED MATRIX ; CO2 ; SIMULATIONS ; CH4 ; ADSORPTION ; ULTRATHIN ; METHANE
WOS Research AreaEngineering ; Polymer Science
Language英语
WOS IDWos:000468599500020
PublisherELSEVIER SCIENCE BV
Funding OrganizationNational Key R&D Program of China ; National Natural Science Foundation of China ; Key Research Program of Frontier Sciences of CAS ; Youth Innovation Research Project of Science and Technology Department in Sichuan ; Innovative Research Platform of Sichuan Development and Reform Commission
Citation statistics
源URL[http://ir.ipe.ac.cn/handle/122111/28124]  
Collection中国科学院过程工程研究所
Corresponding AuthorXu, junbo; Yang, chao
Affiliation1.Beihang Univ, Sch Space & Environm, Beijing 100191, Peoples R China
2.Sichuan Univ Sci & Engn, Coll Mech Engn, Zigong 643000, Sichuan, Peoples R China
3.Chinese Acad Sci, CAS Key Lab Green Proc & Engn, Inst Proc Engn, Beijing 100190, Peoples R China
4.Univ Chinese Acad Sci, Sch Chem Engn, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Xu, Yinxiang,Xu, Junbo,Yang, Chao. Separation of diverse alkenes from c-2-c-4 alkanes through nanoporous graphene membranes via local size sieving[J]. Journal of membrane science,2019,584:227-235.
APA Xu, Yinxiang,Xu, Junbo,&Yang, Chao.(2019).Separation of diverse alkenes from c-2-c-4 alkanes through nanoporous graphene membranes via local size sieving.Journal of membrane science,584,227-235.
MLA Xu, Yinxiang,et al."Separation of diverse alkenes from c-2-c-4 alkanes through nanoporous graphene membranes via local size sieving".Journal of membrane science 584(2019):227-235.

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来源:过程工程研究所

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