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Research Progress in Waste Heat Recovery Technologies for Typical Non-Ferrous Metallurgical Slags
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Zongliang Zuo1, 2, Xiaonan Liu1, Fengshun Yan1, Qingjian Zhang1, Lijing Jiao2, 3, Wen Lü2, 3, Peilin Li4, Zhiyong Zhang4
Copper Engineering | 2026, (4) : 13 - 23
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Copper Engineering | 2026, (4): 13-23
• Special Topic: Utilization of Mining and Metallurgical Solid Waste and Pollution Control •
Research Progress in Waste Heat Recovery Technologies for Typical Non-Ferrous Metallurgical Slags
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Zongliang Zuo1, 2, Xiaonan Liu1, Fengshun Yan1, Qingjian Zhang1, Lijing Jiao2, 3, Wen Lü2, 3, Peilin Li4, Zhiyong Zhang4
Affiliations
  • 1.School of Environmental and Municipal Engineering，Qingdao University of Technology，Qingdao 266520，China
  • 2.State Key Laboratory of Iron and Steel Industry Environmental Protection，Beijing 100088，China
  • 3.Zhongye Energy Conservation and Environment Protection Co.，Ltd.，Beijing 100088，China
  • 4.Zhongye Dongfang Engineering Technology Co.，Ltd.，Qingdao 266555，China
Published: 2026-08-28 doi: 10.3969/j.issn.1009-3842.2026.04.002
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Non-ferrous metallurgical slags generated during pyrometallurgical smelting of non-ferrous metals cause environmental pollution as a stockpile, but slags also have enormous potentials for waste heat recovery and valuable metal recycling. This paper systematically synthesized common and specific physicochemical characteristics of non-ferrous metallurgical slags. It focused on research progress, core principles, process optimization directions, technical advantages, and application bottlenecks of waste heat recovery technologies for three typical slags (copper slag, ferronickel slag, and lead slag), which were classified into physical methods and chemical methods, and summarized research hotspots and development trends of each technology. Physical methods were centered on synergistic technology of granulation and heat exchange, while chemical methods focused on synergistic recovery of waste heat and resources. Cascaded recovery system integrating the two is the main development direction in the future. This paper provided theoretical reference and technical support for industrial upgrading and green development of waste heat recovery technologies for non-ferrous metallurgical slags.

non-ferrous metallurgical slag  /  waste heat recovery  /  copper slag  /  ferronickel slag  /  lead slag  /  granulation
Zongliang Zuo, Xiaonan Liu, Fengshun Yan, Qingjian Zhang, Lijing Jiao, Wen Lü, Peilin Li, Zhiyong Zhang. Research Progress in Waste Heat Recovery Technologies for Typical Non-Ferrous Metallurgical Slags[J]. Copper Engineering, 2026 , (4) : 13 -23 . DOI: 10.3969/j.issn.1009-3842.2026.04.002
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Article Info
doi: 10.3969/j.issn.1009-3842.2026.04.002
  • Receive Date：2026-03-03
  • Online Date：2026-09-08
  • Published：2026-08-28
Article Data
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History
  • Received：2026-03-03
  • Revised：2026-04-22
Funding
Affiliations
    1.School of Environmental and Municipal Engineering，Qingdao University of Technology，Qingdao 266520，China
    2.State Key Laboratory of Iron and Steel Industry Environmental Protection，Beijing 100088，China
    3.Zhongye Energy Conservation and Environment Protection Co.，Ltd.，Beijing 100088，China
    4.Zhongye Dongfang Engineering Technology Co.，Ltd.，Qingdao 266555，China
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https://castjournals.cast.org.cn/joweb/tygc/EN/10.3969/j.issn.1009-3842.2026.04.002
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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