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Research on high performance disk ceramic membrane in
oil-in-water emulsions separation

Authors： LIU Guanghua, CHANG Qibing, HE Shibin, YANG Yulong, BAO Zhilei, ZHANG Wenjie, HAO Enqi, WANG Yongqing

Units： 1. Key Laboratory of Inorganic Membrane of Jiangxi Province University, School of Materials Science and Engineering, Jingdezhen Ceramic Institute, Jingdezhen 333000, China; 2. Chongqing Wu dun Nanotechnology Co., Ltd., Chongqing 402460, China

KeyWords： disk ceramic membrane; dynamic filtration; membrane fouling; oil-in-water emulsions separation

ClassificationCode：TQ 028.8

year,volume(issue):pagination： 2022,42(2):72-77

Abstract：

To solve the problem of membrane fouling in the treatment of oil-in-water emulsions by membrane separation technology. The dynamic filtration method with disk ceramic membrane (pore size of 100 nm) was used to explore the effect of TMP, membrane speed and feed temperature on permeation flux and rejection rate of oil-in-water emulsions. The results show that the stable permeation flux of the disk ceramic membrane was obtained of 8700 L/ (m2·h·MPa) under the operating conditions of feed temperature of 30 ℃, membrane rotation speed of 365 r/min and TMP of 0.02 MPa. When the oil-in-water emulsions with an oil concentration of 1000 mg/L, the rejection rate of 99.9%. Compared with the tubular ceramic membrane with the same pore size, the permeation flux of the disk ceramic membrane is increased by 3~5 times. This indicated that the dynamic ceramic membrane filtration system can realize the low energy consumption and high efficiency of oil-in-water emulsions treatment, and provide a new way for the treatment of oil-in-water emulsions.

Funds：

国家自然科学基金（21761015）；江西省研究生创新专项资金项目(YC2020-S420)

AuthorIntro：

刘光华(1995-)，男，江西吉安人，硕士，从事碟式陶瓷膜的制备及其应用研究。

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