Abstract
This study is focused on the development of green method for the photocatalytic degradation of polyethyelene (PE), a major constituent of plastic waste. The method developed in this study includes ultrasonication of PE pieces along with TiO2 Nano powder (NP). The samples were than exposed to UV light for photocatalytic degradation, where weight loss study was perform to check weight loss (percentage) with respect to time. 56 % weight loss was the highest weight loss achieved among all samples when exposed for 504 h. The photocatalytic degraded samples were than characterized by scanning electron microscopy, where formation of cavities due to photocatalytic degradation were observed. The change in surface chemistry of the samples was analyzed by Fourier transform infrared spectroscopy (FTIR) which show a prominent photodegradation happened on the PE surface, ultrasonicated with TiO2 NP whereas, no change in surface chemistry was observed for samples without TiO2 NP.
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