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RSC Adv

Title:		Adsorption of toluene with water on zeolitic imidazolate framework-8/graphene oxide hybrid nanocomposites in a humid atmosphere
Author(s):		Chu F; Zheng Y; Wen B; Zhou L; Yan J; Chen Y;
Address:		"Institute of Applied Micro-Nano Materials, School of Science, Beijing Jiaotong University Beijing 100044 People's Republic of China ylchen@bjtu.edu.cn +86 10 51688483"
Journal Title:		RSC Adv
Year:		2018
Volume:		20180110
Issue:		5
Page Number:		2426 - 2432
DOI:		10.1039/c7ra12931a
ISSN/ISBN:		2046-2069 (Electronic) 2046-2069 (Linking)
Abstract:		"Water vapor often present in the atmosphere will influence the adsorption of volatile organic compounds (VOCs). The competitive adsorption behavior of toluene and water vapor on synthesized zeolitic imidazolate framework-8 (ZIF-8) and graphene oxide (GO) hybrid composites was investigated in a humid atmosphere. The ZIF-8/GO composites were successfully prepared in a methanol system at room temperature and exhibited tunable nanoscale morphology and surface area, both determined by the GO content. A series of characterization techniques confirmed the formation of strong interactions between ZIF-8 and GO in the synthesized composites. Adsorption experiments demonstrated that the ZIF-8/GO composites with a GO content of 4 wt% had the highest toluene adsorption capacity of 116 mg g(-1) at a relative humidity (RH) of 55%, increased by 19% compared with pristine ZIF-8, and the recyclability of the adsorbent was investigated. The results showed that the synthesized ZIF-8/GO composites exhibited a higher toluene uptake capacity than pristine ZIF-8 crystals even at relatively high humidity, indicating that the ZIF-8/GO composites could be effective adsorbents in a humid atmosphere"
Keywords:
Notes:		"PubMed-not-MEDLINEChu, Fuchen Zheng, Yue Wen, Boyuan Zhou, Lin Yan, Jun Chen, Yunlin eng England 2018/01/10 RSC Adv. 2018 Jan 10; 8(5):2426-2432. doi: 10.1039/c7ra12931a. eCollection 2018 Jan 9"