E-postama gönder VOLATILE ORGANIC COMPOUND REMOVAL USING POLYURETHANE BASED SELECTIVE MEMBRANE
Öz
In this study pervaporative separation capability of silica incorporated thermoplastic polyurethane (TPU) membrane was investigated at different case studies. Representative waste disposal for different industry was prepared synthetically. Toluene-water, chloroform-water, formic acid-water, isopropyl alcohol-water mixture were prepared in concentration of 3 wt. % and the pervaporation experiments were performed at 40 °C. Membrane morphology was analyzed using scanning electron microscopy and polarized optical microscopy. Effect of membrane preparation technique on membrane affinity to the organic mixture was also investigated and the results were evaluated as a function of degree of swelling. Better flux of 0.73 kg/m2.h and a separation factor of 14.9 were obtained at chloroform-water pervaporation. Pervaporation was also effective in toluene-water mixture separation. The quantitative results of the flux was chloroform>toluene>formic acid>isopropyl alcohol.
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