[杂质对废塑料热解的影响：产物与排放]
[Influence of impurities on waste plastics pyrolysis: products and emissions].
作者信息
Zhao Lei, Wang Zhong-Hui, Chen De-Zhen, Ma Xiao-Bo, Luan Jian
机构信息
Thermal & Environmental Engineering Institute, Tongji University, Shanghai 200092, China.
出版信息
Huan Jing Ke Xue. 2012 Jan;33(1):329-36.
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.
本研究旨在评估食物残渣、纸张、纺织品尤其是土壤等杂质对废塑料热解的影响。为此，对废塑料和杂质热解产生的排放物、气体和液体产物进行了研究，同时也研究了元素N、Cl、S从底物到热解产物的转移情况。研究发现，食物残渣的存在会使热解油的热值降至27 MJ/kg，并增加液体产物中的水分，因此应从废塑料中去除食物残渣；而土壤则通过提高气体和油品质量来促进废塑料的热解。食物残渣、纺织品和纸张的存在导致更高的气体排放。
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