Production of solid fuels by hydrothermal treatment of wastes of biomass, plastic, and biomass/plastic mixtures: A review

IF 20.2 Q1 MATERIALS SCIENCE, PAPER & WOOD Journal of Bioresources and Bioproducts Pub Date : 2022-11-01 DOI:10.1016/j.jobab.2022.09.004
Qingxin Zheng , Zixian Li , Masaru Watanabe
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引用次数: 20

Abstract

Traditional disposal methods of biomass and plastic waste, such as landfill, combustion, and compost, no longer meet the requirements of carbon reduction, carbon neutrality, and sustainable society due to low utilization efficiency and severe pollution. As a green, efficient and environmentally-friendly method, hydrothermal technology has been paid much attention to and has already been applied to recycle or reuse various plastic and biomass wastes. No matter for the single or mixed type of waste, it is expected to achieve efficient recycling and obtain value-added products through the hydrothermal process. This review summarized the basic knowledge of hydrothermal technology and the possible reaction mechanism of biomass and plastics under hydrothermal conditions and listed the previous reports on the application of hydrothermal technology for converting wastes of biomass, plastic, and biomass/plastic mixtures to solid fuels. Moreover, regarding the future of hydrothermal technology, four points related to reaction mechanism, synergistic effect, catalysis, and scaled-up application, were provided for consideration.

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热液处理生物质、塑料和生物质/塑料混合物废弃物生产固体燃料的研究进展
传统的生物质和塑料废弃物处理方式,如填埋、燃烧、堆肥等,由于利用效率低、污染严重,已不能满足减碳、碳中和和可持续社会的要求。水热技术作为一种绿色、高效、环保的方法,受到了广泛的关注,并已应用于各种塑料和生物质废弃物的回收或再利用。无论是单一类型的废物还是混合类型的废物,都有望通过水热法实现高效的回收利用,获得高附加值的产品。本文综述了水热技术的基本知识和在水热条件下生物质与塑料可能的反应机理,并列举了水热技术在生物质废弃物、塑料废弃物以及生物质/塑料混合物转化为固体燃料方面的应用报道。针对水热技术的发展前景,从反应机理、协同效应、催化作用、规模化应用等方面提出了展望。
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来源期刊
Journal of Bioresources and Bioproducts
Journal of Bioresources and Bioproducts Agricultural and Biological Sciences-Forestry
CiteScore
39.30
自引率
0.00%
发文量
38
审稿时长
12 weeks
期刊最新文献
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