An Ideal Molecular Sieve for Acetylene Removal from Ethylene with Record Selectivity and Productivity

© 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 29(2017), 47 vom: 24. Dez.
1. Verfasser: Li, Bin (VerfasserIn)
Weitere Verfasser: Cui, Xili, O'Nolan, Daniel, Wen, Hui-Min, Jiang, Mengdie, Krishna, Rajamani, Wu, Hui, Lin, Rui-Biao, Chen, Yu-Sheng, Yuan, Daqiang, Xing, Huabin, Zhou, Wei, Ren, Qilong, Qian, Guodong, Zaworotko, Michael J, Chen, Banglin
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2017
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article acetylene ethylene purification gas separation molecular sieves porous materials
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520 |a Realization of ideal molecular sieves, in which the larger gas molecules are completely blocked without sacrificing high adsorption capacities of the preferred smaller gas molecules, can significantly reduce energy costs for gas separation and purification and thus facilitate a possible technological transformation from the traditional energy-intensive cryogenic distillation to the energy-efficient, adsorbent-based separation and purification in the future. Although extensive research endeavors are pursued to target ideal molecular sieves among diverse porous materials, over the past several decades, ideal molecular sieves for the separation and purification of light hydrocarbons are rarely realized. Herein, an ideal porous material, SIFSIX-14-Cu-i (also termed as UTSA-200), is reported with ultrafine tuning of pore size (3.4 Å) to effectively block ethylene (C2 H4 ) molecules but to take up a record-high amount of acetylene (C2 H2 , 58 cm3 cm-3 under 0.01 bar and 298 K). The material therefore sets up new benchmarks for both the adsorption capacity and selectivity, and thus provides a record purification capacity for the removal of trace C2 H2 from C2 H4 with 1.18 mmol g-1 C2 H2 uptake capacity from a 1/99 C2 H2 /C2 H4 mixture to produce 99.9999% pure C2 H4 (much higher than the acceptable purity of 99.996% for polymer-grade C2 H4 ), as demonstrated by experimental breakthrough curves 
650 4 |a Journal Article 
650 4 |a acetylene 
650 4 |a ethylene purification 
650 4 |a gas separation 
650 4 |a molecular sieves 
650 4 |a porous materials 
700 1 |a Cui, Xili  |e verfasserin  |4 aut 
700 1 |a O'Nolan, Daniel  |e verfasserin  |4 aut 
700 1 |a Wen, Hui-Min  |e verfasserin  |4 aut 
700 1 |a Jiang, Mengdie  |e verfasserin  |4 aut 
700 1 |a Krishna, Rajamani  |e verfasserin  |4 aut 
700 1 |a Wu, Hui  |e verfasserin  |4 aut 
700 1 |a Lin, Rui-Biao  |e verfasserin  |4 aut 
700 1 |a Chen, Yu-Sheng  |e verfasserin  |4 aut 
700 1 |a Yuan, Daqiang  |e verfasserin  |4 aut 
700 1 |a Xing, Huabin  |e verfasserin  |4 aut 
700 1 |a Zhou, Wei  |e verfasserin  |4 aut 
700 1 |a Ren, Qilong  |e verfasserin  |4 aut 
700 1 |a Qian, Guodong  |e verfasserin  |4 aut 
700 1 |a Zaworotko, Michael J  |e verfasserin  |4 aut 
700 1 |a Chen, Banglin  |e verfasserin  |4 aut 
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