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Synthesis and modification of moisture-stable coordination pillared-layer metal-organic framework (CPL-MOF) CPL-2 for ethylene/ethane separation
Xiang, Huan1; Ameen, Ahmed1; Shang, Jin2,3; Jiao, Yilai4; Gorgojo, Patricia1; Siperstein, Flor R.1; Fan, Xiaolei1
Corresponding AuthorSiperstein, Flor R.(Flor.Siperstein@manchester.ac.uk) ; Fan, Xiaolei(xiaolel.fan@manchester.ac.uk)
2020-02-01
Source PublicationMICROPOROUS AND MESOPOROUS MATERIALS
ISSN1387-1811
Volume293Pages:10
AbstractAdsorptive separation of ethylene/ethane (C2H4/C2H6) binary mixture has growing interest in petrochemical industries compared to the conventional energy-intensive cryogenic distillation. Development of moisture-stable materials with high selectivity is of great importance to accomplish C2H4/C2H6 separation. Coordination pillared-layer metal-organic framework (CPL-MOF) CPL-2 was synthesised at room temperature, and then modified by silver ions impregnation to enhance the selectivity towards ethylene over ethane. The synthesised CPL-2 and Ag/CPL-2 MOFs have excellent moisture stability which was confirmed by the dynamic water vapour adsorption analysis under 90% relative humidity, showing no significant framework decomposition, even at 50 degrees C. The calculated selectivity based on gravimetric single-component gas adsorption experiments shows the significantly improved C2H4/C2H6 selectivity from 1.4 to 26.1 after loading 10 wt.% (theoretical) of silver ions on CPL-2. Breakthrough experiments for C2H4/C2H6 (1:1, v/v) mixture suggest that both CPL-2 and 10 wt.% Ag/CPL-2 can achieve the binary mixture separation, and 10 wt.% Ag/CPL-2 shows relatively better dynamic separation performance compared to parent CPL-2. The good adsorption selectivity and moisture stability allow CPL-MOF to be a class of promising porous materials for further exploitation in the separation of C2H4/C2H6 mixtures. Additionally, the method presented here can potentially be extended to other CPLs with different pore sizes for alkene/alkane separations.
KeywordEthylene Ethane Adsorption Coordination pillared-layer metal-organic framework (CPL-MOF) Selectivity Moisture stability
Funding OrganizationUniversity of Manchester ; China Scholarship Council
DOI10.1016/j.micromeso.2019.109784
Indexed BySCI
Language英语
Funding ProjectUniversity of Manchester ; China Scholarship Council[201606150068]
WOS Research AreaChemistry ; Science & Technology - Other Topics ; Materials Science
WOS SubjectChemistry, Applied ; Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
WOS IDWOS:000504505500016
PublisherELSEVIER
Citation statistics
Cited Times:10[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/136269
Collection中国科学院金属研究所
Corresponding AuthorSiperstein, Flor R.; Fan, Xiaolei
Affiliation1.Univ Manchester, Sch Engn, Dept Chem Engn & Analyt Sci, Oxford Rd, Manchester M13 9PL, Lancs, England
2.City Univ Hong Kong, Shenzhen Res Inst, 8 Yuexing 1st Rd,Shenzhen Hitech Ind Pk, Shenzhen, Guangdong, Peoples R China
3.City Univ Hong Kong, Sch Energy & Environm, Kowloon, Tat Chee Ave, Hong Kong, Peoples R China
4.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China
Recommended Citation
GB/T 7714
Xiang, Huan,Ameen, Ahmed,Shang, Jin,et al. Synthesis and modification of moisture-stable coordination pillared-layer metal-organic framework (CPL-MOF) CPL-2 for ethylene/ethane separation[J]. MICROPOROUS AND MESOPOROUS MATERIALS,2020,293:10.
APA Xiang, Huan.,Ameen, Ahmed.,Shang, Jin.,Jiao, Yilai.,Gorgojo, Patricia.,...&Fan, Xiaolei.(2020).Synthesis and modification of moisture-stable coordination pillared-layer metal-organic framework (CPL-MOF) CPL-2 for ethylene/ethane separation.MICROPOROUS AND MESOPOROUS MATERIALS,293,10.
MLA Xiang, Huan,et al."Synthesis and modification of moisture-stable coordination pillared-layer metal-organic framework (CPL-MOF) CPL-2 for ethylene/ethane separation".MICROPOROUS AND MESOPOROUS MATERIALS 293(2020):10.
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