Title:
MULTI-LAYERED MEMBRANE FOR OIL/WATER SEPARATION
Document Type and Number:
WIPO Patent Application WO/2018/182441
Kind Code:
A3
Abstract:
The multi-layered membrane (100) for separating oil and water includes a porous top layer (110), a porous bottom layer (130), and a particulate middle layer (120) positioned between the top layer (110) and the bottom layer (130), the middle layer (120) being hydrophobic and adapted for adsorbing oil, such as trace amounts of oil, that may pass through the top layer (110). The top layer (110) and the bottom layer (130) are hydrophilic and oleophobic. While the membrane (100) does not require any external pressure other than the gravitational forces exerted on the oil/water mixture W to drive the filtration of the oil/water mixture W through the membrane (100), the filtration can be driven by a vacuum or other type of external pressure.
Inventors:
LIU ZHAOYANG (QA)
WANG KUI (QA)
SATHTHASIVAM JAYAPRAKASH (QA)
EL-MASRI DEMA (QA)
HILAL NIDAL (QA)
WANG KUI (QA)
SATHTHASIVAM JAYAPRAKASH (QA)
EL-MASRI DEMA (QA)
HILAL NIDAL (QA)
Application Number:
PCT/QA2017/050001
Publication Date:
July 11, 2019
Filing Date:
March 30, 2017
Export Citation:
Assignee:
QATAR FOUND EDUCATION SCIENCE & COMMUNITY DEV (QA)
International Classes:
B01D69/06; B01D67/00; B01D69/10; B01D69/12; B01D71/02
Domestic Patent References:
| WO2001015747A1 | 2001-03-08 |
Foreign References:
| CN205667781U | 2016-11-02 | |||
| US20170056836A1 | 2017-03-02 | |||
| CN104368320A | 2015-02-25 |
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