Research advances in mechanochemistry on clean extraction of valuable resources from solid wastes
LI Jinhui1,,, LIU Kang1, LIU Lili1,2 1.School of Environment, Tsinghua University, Beijing 100084, China 2.Basel Convention Regional Centre for Asia and the Pacific, Beijing 100084, China
Abstract:Valuable resource products are one of the main economic driving forces for solid waste recycling, and clean extraction of valuable resources has always been the focus in the field of solid waste recycling. This article briefly describes the reaction principle of mechanochemical technology and presents the research trends of mechanochemical technology in the clean extraction of valuable resources from solid waste through literature measurement. The progress of mechanochemistry in the clean extraction of valuable resources from multi-source solid waste, such as electronic waste, spent automobile catalysts, fly ash, and gold-containing waste residues, is summarized and analyzed. Finally, this article systematically discusses the industrial advantages and technical limitations of mechanochemical technology applied to the clean extraction of valuable resources from multi-source solid waste. Results show that mechanochemical technology is extremely suitable for the clean extraction and green regeneration of valuable metals. Energy utilization and conversion issues currently limits its further industrial application. With the continuous deepening of research and the continuous progress of supporting industries, mechanochemical methods are expected to become a new generation of clean extraction and green regeneration technologies for valuable resources of solid waste. Key words:mechanochemistry/ solid waste/ valuable metals/ clean extraction/ application trends.
图1机械力化学反应的原理 Figure1.Summary of mechanochemical reaction principle
图22000—2020年机械力化学技术领域相关文献调研结果(数据源:Web of Science) Figure2.Research results of related literature on mechanochemistry based on “Years” (Data source: Web of Science)
图3以“国别”为依据的机械力化学技术领域相关文献调研结果(数据源:Web of Science) Figure3.Research results of related literatures on mechanochemistry based on “country” (Data source: Web of Science)
图4以“研究机构”为依据的机械力化学研究相关文献调研结果(数据源:Web of Science;关键词:mechanochemical+waste) Figure4.Research results of related literatures on mechanochemistry based on “Research institute” (Data source: Web of Science)
图5以“机械力化学技术+废”为关键词的文献和专利调研结果(数据源:万方文献数据库) Figure5.Research results of literatures and patents based on “mechanochemical+waste” (Data source: Wanfang Data)
图7机械力化学技术应用固体废物有价资源提取的技术优势与局限性分析 Figure7.Technical advantages and limitations of mechanochemical method for extraction of valuable resources from solid waste
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1.School of Environment, Tsinghua University, Beijing 100084, China 2.Basel Convention Regional Centre for Asia and the Pacific, Beijing 100084, China Received Date: 2020-12-17 Accepted Date: 2021-01-29 Available Online: 2021-04-23 Keywords:mechanochemistry/ solid waste/ valuable metals/ clean extraction/ application trends Abstract:Valuable resource products are one of the main economic driving forces for solid waste recycling, and clean extraction of valuable resources has always been the focus in the field of solid waste recycling. This article briefly describes the reaction principle of mechanochemical technology and presents the research trends of mechanochemical technology in the clean extraction of valuable resources from solid waste through literature measurement. The progress of mechanochemistry in the clean extraction of valuable resources from multi-source solid waste, such as electronic waste, spent automobile catalysts, fly ash, and gold-containing waste residues, is summarized and analyzed. Finally, this article systematically discusses the industrial advantages and technical limitations of mechanochemical technology applied to the clean extraction of valuable resources from multi-source solid waste. Results show that mechanochemical technology is extremely suitable for the clean extraction and green regeneration of valuable metals. Energy utilization and conversion issues currently limits its further industrial application. With the continuous deepening of research and the continuous progress of supporting industries, mechanochemical methods are expected to become a new generation of clean extraction and green regeneration technologies for valuable resources of solid waste.