Journal
CHINESE JOURNAL OF CHEMICAL ENGINEERING
Volume 25, Issue 6, Pages 752-759Publisher
CHEMICAL INDUSTRY PRESS
DOI: 10.1016/j.cjche.2016.11.010
Keywords
Graphene oxide; Ceramic hollow fibre; Gas separation; Hydrogen recovery
Categories
Funding
- National Natural Science Foundation of China [21476107, 21490585, 21406107]
- Innovative Research Team Program by the Ministry of Education of China [IRT13070]
- Topnotch Academic Programs Project of Jiangsu Higher Education Institutions (TAPP)
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The special channels and intrinsic defects within GO laminates make it a very potential candidate for gas separation in recent years. Herein, the gas separation performance of GO membranes prepared on the surface of ceramic alpha-Al2O3 hollow fibre was investigated systematically. The microstructures of ceramic hollow fibre supported GO membranes were optimized by adjusting operation conditions. And, the GO membrane fabricated at 30 min exhibited great promising H-2 recovery ability from H-2/CO2 mixture. At room temperature, the H-2 permeance was over 1.00 x 10(-7) mol.m(-2).s(-1).Pa-1 for both single gas and binary mixture. The corresponding ideal selectivity and mixture separation factor reached around 15 and 10, respectively. In addition, humility, operation temperature, H-2 concentration in the feed and the reproducibility were also studied in this work. (C) 2016 The Chemical Industry and Engineering Society of China, and Chemical Industry Press. All rights reserved.
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