Recyclable magnetic graphene oxide for rapid and efficient demulsification of crude oil-in-water emulsion

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	Recyclable magnetic graphene oxide for rapid and efficient demulsification of crude oil-in-water emulsion
	Liu J; Wang HJ; Li XC; Jia WH; Zhao YP(赵亚浦); Ren SL; Zhao YP(赵亚溥); Zhao YP(赵亚溥)
刊名	FUEL
	2017
通讯作者邮箱	slren@licp.cas.cn
卷号	189 页码:79-87
关键词	Magnetic graphene oxide Demulsification Crude oil-in-water emulsion Recyclability Non-covalent interaction analysis
ISSN号	0016-2361
通讯作者	Ren, SL (reprint author), Chinese Acad Sci, State Key Lab Solid Lubricat, Lanzhou 730000, Peoples R China.
产权排序	[Liu, Juan; Wang, Huanjiang; Jia, Weihong; Ren, Sili] Chinese Acad Sci, State Key Lab Solid Lubricat, Lanzhou 730000, Peoples R China; [Liu, Juan; Wang, Huanjiang] Univ Chinese Acad Sci, Beijing 100049, Peoples R China; [Li, Xiaocheng] Chinese Acad Sci, Lab Clean Energy Chem & Mat, Lanzhou 730000, Peoples R China; [Zhao, Yapu] Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China
中文摘要	Graphene oxide (GO) nanosheets have been experimentally proved to be a highly efficiency, rapid and universal demulsifier to break up the crude oil-in-water emulsion and/or the emulsified oily waste water in our previous study. To recycle the GO nanosheets and avoid the possible contamination of GO for crude oil, in this work, the magnetic graphene oxide (M-GO) was successfully synthesized and used for separating oil/water emulsions. Demulsification tests indicated that M-GO could separate the oil/water emulsions within a few minutes and recycle 6-7 times without losing its demulsification capability. The residual oil content in the separated water was as low as similar to 10 mg/L, corresponding to a demulsification efficiency of 99.98% at an optimal dosage. Quantum chemical calculation results indicated that the pi-pi/sigma-pi interactions between GO materials and asphaltene molecules are the major driven forces for the high demulsification performance of M-GO nanosheets. This work not only provides a promising demulsifies to demulsify the crude oil-in-water emulsion or the oily wastewater but also give a deep understanding on the intrinsic interaction between demulsifiers and asphaltenes. (C) 2016 Elsevier Ltd. All rights reserved.
分类号	一类
类目[WOS]	Energy & Fuels ; Engineering, Chemical
研究领域[WOS]	Energy & Fuels ; Engineering
关键词[WOS]	Magnetic graphene oxide ; Demulsification ; Crude oil-in-water emulsion ; Recyclability ; Non-covalent interaction analysis
收录类别	SCI ; EI
原文出处	http://dx.doi.org/10.1016/j.fuel.2016.10.066
语种	英语
WOS记录号	WOS:000387775500010
内容类型	期刊论文
源URL	[http://dspace.imech.ac.cn/handle/311007/59947]
专题	力学研究所_非线性力学国家重点实验室
推荐引用方式 GB/T 7714	Liu J,Wang HJ,Li XC,et al. Recyclable magnetic graphene oxide for rapid and efficient demulsification of crude oil-in-water emulsion[J]. FUEL,2017,189:79-87.
APA	Liu J.,Wang HJ.,Li XC.,Jia WH.,赵亚浦.,...&赵亚溥.(2017).Recyclable magnetic graphene oxide for rapid and efficient demulsification of crude oil-in-water emulsion.FUEL,189,79-87.
MLA	Liu J,et al."Recyclable magnetic graphene oxide for rapid and efficient demulsification of crude oil-in-water emulsion".FUEL 189(2017):79-87.