期刊
CERAMICS INTERNATIONAL
卷 48, 期 17, 页码 25246-25253出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2022.05.189
关键词
Demulsification; Ceramic membrane; Hybrid membranes; Polyaniline; Oil/water separation
资金
- Interdisciplinary Research Center for Membranes and Water Security, KFUPM [INMW2112]
This study presents a facile method for fabricating high flux polyaniline-modified ceramic membranes for the separation of emulsified oil. The modified membranes exhibit superhydrophilic/superoleophobic properties and show stable oil rejection flux.
Oil separation from oily wastewater is critical for environmental sustainability. In the present study, we report for the first time the facile fabrication of high flux polyaniline-modified ceramic membrane to effectively separate emulsified oil. Aniline was rapidly polymerized in a single step on alumina ceramic support using different monomer concentrations. It was revealed that the alumina membrane modified with 1.0 M aniline monomer is suitable for separating oil/water emulsions with an exceptionally high permeance of 3451 L m(-2).h(-1) (L.M.H.) and high separating efficiency. The polyaniline-coated alumina membranes appeared superhydrophilic/ superoleophobic w ith negligible fouling behavior. The modified membranes demonstrate a steady oil rejection flux after several cycles with excellent oil-rejection of 97%. The high flux, low operating pressure, and anti-fouling behavior revealed that these modified membranes are excellent candidates for emulsified-oil separation.
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