Environmental Sanitation Engineering ›› 2024, Vol. 32 ›› Issue (1): 50-56.doi: 10.19841/j.cnki.hjwsgc.2024.01.008

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Preliminary Study on the Application of Cold Top Electric Melting Technology of Fly Ash from Domestic Waste Incineration

LIU Tianlu, ZHANG Yanchun, LIU Qiang, QIN Mou, LI Hao, ZHANG Jun   

  1. 1. China Xiong’an Group Ecological Construction Investment Co Ltd.; 2. Beijing Environmental Sanitation Group Fangshan Co. Ltd.
  • Online:2024-03-01 Published:2024-03-01

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Abstract: Domestic waste incineration power generation technology has become the mainstream technology of solid waste treatment in our country. The amount of fly ash produced by solid waste incineration had increased explosively in recent years. The pressure of “city besieged by waste”turned into the distress of fly ash landfill, so the disposal of fly ash became an urgent problem to be solved. Under the background of “waste-free city”construction, an attempt was made to recycle incinerated fly ash by cold top electric melting technology. A 10 t/d cold top electric melting equipment was tested to melt fly ash, quartz sand and co-solvent, and the leaching effect of molten mass metal and dioxins were analyzed. It provided basic data support for the industrialization of the cold top electric melting technology of domestic waste fly ash and proved the feasible of the cold top electric melting technology in the process, so as to explore the economic analysis and environmental benefits of the technology.

Key words: 　domestic waste, incineration fly ash, cold top electric melting, dioxin

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