Efficient Demulsification of Acidic Oil-In-Water Emulsions with Silane-Coupled Modified TiO2 Pillared Montmorillonite

doi:10.3390/app9051008

	Efficient Demulsification of Acidic Oil-In-Water Emulsions with Silane-Coupled Modified TiO2 Pillared Montmorillonite
	Zuo, Gaohong 1,2; Du, Yingchao 2,3; Wei, Lianqi 2; Yu, Bo 2,3; Ye, Shufeng 2; Zhang, Xiaomeng2 ; Hao, Hongshun 1
刊名	APPLIED SCIENCES-BASEL
	2019-03-01
卷号	9 期号:5 页码:13
关键词	modified montmorillonite oil-in-water emulsion acidic demulsification silane couple grafting
ISSN号	2076-3417
DOI	10.3390/app9051008
英文摘要	Emulsified pickling waste liquid, derived from cleaning oily hardware, cause serious environmental and ecological issues. In this work, a series of grafted (3-aminopropyl)triethoxysilane (APTES) TiO2 pillared montmorillonite (Mt), Ti-Mt-APTES, are prepared and characterized for their assessment in demulsification of acidic oil-in-water emulsion. After titanium hydrate is introduced through ion exchange, montmorillonite is modified by hydrophobic groups coming from APTES. The Ti-Mt-APTES in acidic oil-in-water emulsion demulsification performance and mechanism are studied. Results show that the prepared Ti-Mt-APTES has favorable demulsification performance. The Ti-Mt-APTES demulsification efficiency (E-D) increased to an upper limit value when the mass ratio of APTES to the prepared TiO2 pillared montmorillonite (Ti-Mt) (R-A/M) was 0.10 g/g, and the 5 h is the optimal continuous stirring time for breaking the acidic oil-in-water emulsion by Ti-Mt-APTES. The E-D increased to 94.8% when 2.5 g/L of Ti-Mt-APTES is added into the acidic oil-in-water emulsion after 5 h. An examination of the demulsification mechanism revealed that amphiphilicity and electrostatic interaction both played vital roles in oil-in-water separation. It is demonstrated that Ti-Mt-APTES is a promising, economical demulsifier for the efficient treatment of acidic oil-in-water emulsions.
资助项目	Chinese Academy of Science Key Project[KFJ-STS-QYZD-044] ; "Strategic Priority Research Program" of Chinese Academy of Science[XDA09040102]
WOS关键词	EMULSIFIED OIL ; MAGNETIC NANOPARTICLES ; METHYLENE-BLUE ; SEPARATION
WOS研究方向	Chemistry ; Materials Science ; Physics
语种	英语
出版者	MDPI
WOS记录号	WOS:000462504400195
资助机构	Chinese Academy of Science Key Project ; "Strategic Priority Research Program" of Chinese Academy of Science
内容类型	期刊论文
源URL	[http://ir.ipe.ac.cn/handle/122111/28311]
专题	中国科学院过程工程研究所
通讯作者	Zhang, Xiaomeng; Hao, Hongshun
作者单位	1.Dalian Polytech Univ, Sch Text & Mat Engn, 1 Light Ind Court, Dalian 116034, Peoples R China 2.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, POB 353, Beijing 100190, Peoples R China 3.Univ Chinese Acad Sci, Ctr Mat Sci & Optoelect Engn, 19 Yuquan Rd, Beijing 100049, Peoples R China
推荐引用方式 GB/T 7714	Zuo, Gaohong,Du, Yingchao,Wei, Lianqi,et al. Efficient Demulsification of Acidic Oil-In-Water Emulsions with Silane-Coupled Modified TiO2 Pillared Montmorillonite[J]. APPLIED SCIENCES-BASEL,2019,9(5):13.
APA	Zuo, Gaohong.,Du, Yingchao.,Wei, Lianqi.,Yu, Bo.,Ye, Shufeng.,...&Hao, Hongshun.(2019).Efficient Demulsification of Acidic Oil-In-Water Emulsions with Silane-Coupled Modified TiO2 Pillared Montmorillonite.APPLIED SCIENCES-BASEL,9(5),13.
MLA	Zuo, Gaohong,et al."Efficient Demulsification of Acidic Oil-In-Water Emulsions with Silane-Coupled Modified TiO2 Pillared Montmorillonite".APPLIED SCIENCES-BASEL 9.5(2019):13.