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

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

[1] LYU Yejia, ZHANG Jia, YUE Yang, QIAN Guangren. Progress and Prospect of Deep Recycling Technology for Incineration Fly Ash [J]. Environmental Sanitation Engineering, 2024, 32(4): 1-8.
[2] CHEN Lu, YANG Dekun, LONG Jisheng. Study on Synergistic Removal Characteristics of Multiple Pollutants in Domestic Waste Incineration Plant by Integrated Flue Gas Purification Process [J]. Environmental Sanitation Engineering, 2024, 32(4): 51-57.
[3] QIU Qingwen. Geotechnical Properties of Domestic Waste Incineration Fly Ash from Landfill [J]. Environmental Sanitation Engineering, 2024, 32(3): 84-89.
[4] ZHANG Yu. Research on the Current Situation and Countermeasures of Rural Domestic Waste Classification in Xi’an [J]. Environmental Sanitation Engineering, 2024, 32(3): 105-109,116.
[5] KAN Baopeng, QI Wenjing, ZHANG Wenxia, YIN Xinlong, FENG Xinrong, JIANG Zhen, ZHENG Weiping. Research on Changes in Components and Characteristics of Domestic Waste in Qingdao City Under the Background of Waste Classification [J]. Environmental Sanitation Engineering, 2024, 32(2): 34-38.
[6] LU Guangbo, LUO Yuansheng, AI Yang, LI Song. A Case Study on Emergency Disposal of Domestic Waste During the COVID-19 in a Domestic Waste Incineration Plant in Beijing [J]. Environmental Sanitation Engineering, 2024, 32(1): 45-49.
[7] HE Yi, ZHONG Aijun, LI Xiangping. Research on High Performance Paths for the Classification and Management of Domestic Waste in Urban Communities:Based on a Qualitative Comparative Analysis of 100 Communities in Beijing [J]. Environmental Sanitation Engineering, 2024, 32(1): 87-93,98.
[8] XIANG Yifan, SHANG Fanjie, CHEN Tao, TANG Shaofu, LIN Jie, WANG Hao. The Application of Laser Ionization-Time-of-Flight Mass Spectrometry Online Detecting System for Dioxins in A Municipal Solid Waste Incineration Plant [J]. Environmental Sanitation Engineering, 2023, 31(5): 86-92.
[9] GUO Nan, SONG Wei, FU Kai. Analysis on the Application Status and Characteristics of Landfill Technology for Rural Domestic Waste in China [J]. Environmental Sanitation Engineering, 2023, 31(4): 90-94.
[10] MU Xiaozhan, GUO Tao, LI Ping, WANG Jianwei. Feasibility Analysis on Mixed Deacidifying Agent for the Deacidification of MSW Incineration Flue Gas [J]. Environmental Sanitation Engineering, 2023, 31(2): 82-87.
[11] GAN Fangmao, WU Lixin, YU Wenbo , HU Guang, HUI Erqing, GUO Shuai. Comparative Study on Greenhouse Gas Emission Potential of Different Disposal Modes of Rural Domestic Waste: A Case Study of Buhe Town, Hubei Province [J]. Environmental Sanitation Engineering, 2023, 31(1): 112-118.
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