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RISS 인기검색어
- 검색키워드
- 저자 : Saravana B. Basuvalingam (검색결과 1 건)
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Fabrication of a Flexible Si-cotton Filter Membrane for Efficient Hot Oil/Hot Water Separation
Leila Ghorbani,Ali Khatibi,Saravana B. Basuvalingam,Daniela Caschera,Babak Shokri 한국섬유공학회 2022 Fibers and polymers Vol.23 No.3
Increasing oily industrial waste water at room and high temperatures has become one of the most significantthreats to the global ecosystem. Finding a suitable method for separating hot-oil/water pollution with an appropriate filter ishighly necessary to effectively solve this problem. In this study, high-temperature oil/water separation was achieved using asilicon-modified textile (Si-cotton) as a filter, which was fabricated using polydimethylsiloxane (PDMS) solution as theprecursor and through plasma polymerization. The plasma polymerization generated a uniform micro and nanoscalehierarchical structure on the Si-cotton surface. Furthermore, XPS and FT-IR analysis showed the lowering of the O/C ratio onthe Si-cotton surface with respect to the pristine textile, and the presence of silicon on the Si-cotton surface after the plasmaprocess. The results of these factors can be critical in making the final hydrophobic/oleophilic behaviour of the textile. Moreimportantly, the Si-cotton membrane was tested for the separation process of hot oil/hot water mixture, which showed anacceptable efficiency even after fifteen separation cycles. The findings offered a two-step method, efficient and green, whichwas capable of working well even at a high temperature, to fabricate a flexible and scalable Si-cotton textile filter forreducing the necessity of additional and complicated cooling processes in the presence of high-temperature oil/water mixture.
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