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  • Title: [Influence of impurities on waste plastics pyrolysis: products and emissions].
    Author: Zhao L, Wang ZH, Chen DZ, Ma XB, Luan J.
    Journal: Huan Jing Ke Xue; 2012 Jan; 33(1):329-36. PubMed ID: 22452230.
    Abstract:
    The study is aimed to evaluate the impact of impurities like food waste, paper, textile and especially soil on the pyrolysis of waste plastics. For this purpose, emissions, gas and liquid products from pyrolysis of waste plastics and impurities were studied, as well as the transfer of element N, Cl, S from the substrates to the pyrolysis products. It was found that the presence of food waste would reduce the heat value of pyrolysis oil to 27 MJ/kg and increase the moisture in the liquid products, therefore the food residue should be removed from waste plastics; and the soil, enhance the waste plastics' pyrolysis by improving the quality of gas and oil products. The presence of food residue, textile and paper leaded to higher gas emissions.
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