数字农科院2.0

Demonstration and multi-perspective analysis of industrial-scale co-pyrolysis of biomass, waste agricultural film, and bituminous coal

文献类型： 外文期刊

作者： Zonglu Yao;Kang Kang;Hongbin Cong;Jixiu Jia;Lili Huo;Yun Deng;Teng Xie;Lixin Zhao

作者机构：

关键词： Biomass; Co-pyrolysis; Coal; Plastic waste; Product characterization; Socioenvironmental analysis

期刊名称： J. Clean. Prod.

ISSN： 0959-6526

年卷期： 2021 年 290 卷

页码：

收录情况： JCR（2021版） ; EI（2021版）

摘要： The accumulation of waste biomass and plastic and the inefficient combustion of low-quality coal is a major cause of energy loss and air pollution in rural China. This paper reports for the first time an experimental and multi-perspective analysis on an industrial scale co-pyrolysis of waste biomass and plastic. The results show that the resulting biochar product had a low calorific value of ≥21.0 MJ/kg, which meets the national standard for commercial solid fuel (GB/T 31862–2015). The calorific value of the produced gas was over 10 MJ/m3 and met the requirements of the national standard for residential heating and cooking (GB/T 13612–2006). The products of the co-pyrolysis can replace 1100 t of standard coal per annum, and reduce carbon dioxide emissions, sulfur dioxide emissions, smoke, and other contaminants at the rate of 1720 t, 5–6 t, and 320 kg, respectively, as well as reducing smoke pollution. In addition, through the recycling of 750 t of plastic waste per annum for use in the co-pyrolysis, this method can reduce the white pollution of 50–66.7 km2 of farmland in the local area. The present study can guide the optimization of such systems and lead to adequate flexibility in the co-pyrolysis of different wastes to generate economic and socioenvironmental benefits. © 2021 Elsevier Ltd

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