Synthesis of UMCNO-cotton fabric and its application in waste water treatment
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Unzipped multi-walled carbon nanotube oxides (UMCNOs) were prepared from multi-walled carbon nanotubes. The prepared UMCNOs were coated on to cotton fabric by dipping the fabric in UMCNOs solution and dehydrating in a vacuum oven. UMCNO-cotton fabric showed hydrophobic and hydrophilic properties at different circumstances and exhibited its amphiphilic nature. The increased surface roughness of coated cotton fabric changed its properties from hydrophilic to hydrophobic with an water contact angle of 149°. The modified cotton fabrics also showed superoleophilicity with the absorption ability of oil from oil and water mixture. UMCNO-cotton fabric was analyzed for bacterial cell viability and 99% of bacteria cell loss was found in the filtered water. Further, the use of UMCNO-cotton fabric in the removal of organic diluents from water with the absorption ability of 6–14 g/g, methylene blue dye removal of 96.51% and self-cleaning properties were also investigated.
KeywordsUMCNOs Cotton fabric Antibacterial Methylene blue dye removal Oil/water separation
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