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Production of Low-Grade Nickel Matte by Sulphidizing Smelting of Low Grade Copper-Nickel-Bearing Electroplating Sludge
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Zhaoan ZHOU1, 2, Xiaowen LIU1, 2, Jun LI1, 2, Anzhang MAO1, 2, Jiaxing LI1, 2
Mining and Metallurgical Engineering | 2023, 43(6) : 133 - 138
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Mining and Metallurgical Engineering | 2023, 43(6): 133-138
• METALLURGY •
Production of Low-Grade Nickel Matte by Sulphidizing Smelting of Low Grade Copper-Nickel-Bearing Electroplating Sludge
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Zhaoan ZHOU1, 2, Xiaowen LIU1, 2, Jun LI1, 2, Anzhang MAO1, 2, Jiaxing LI1, 2
Affiliations
  • 1.Guangdong Feinan Resources Recycling Co Ltd, Zhaoqing 526233, Guangdong, China
  • 2.Engineering Technology Research Center for Comprehensive Utilization of Industrial Solid Waste of Copper-Containing Sludge Resources of Guangdong, Zhaoqing 526233, Guangdong, China
Published: 2023-12-01 doi: 10.3969/j.issn.0253-6099.2023.06.029
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A thermodynamic analysis reveals the phase evolution of main metals in the production of low-grade nickel matte by sulfidation smelting of copper-nickel electroplating sludge, and the main influencing factors in the process of sulfidation smelting were analyzed. The thermodynamic calculation shows that with the electroplating sludge grading 6% Cu and 4% Ni, respectively, sulfur gypsum as the sulfurizing agent, the actual addition of sulfur 2.0 times of the theoretical amount, and the smelting atmosphere P(CO)/[P(CO)+P(CO2)]=50%, the low-grade nickel matter with the expected grade of 57.2% (Cu+Ni) can be produced, with the grade of copper and nickel in the slag lower than 0.2%. It is shown that the direct recovery rate of copper and nickel can reach 99.89% and 96.59% respectively, and the sulfur fixation rate is 77.20%. An industrial application shows that compared with conventional wet metallurgical recovery process, this technique can bring higher metal recovery rate with a green and low carbon process, thus presenting obvious technical advantages.

utilization of hazardous waste  /  electroplating sludge  /  sulphidizing smelting  /  low-grade nickel matte  /  thermodynamic analysis  /  sulfurizing agent  /  copper and nickel
Zhaoan ZHOU, Xiaowen LIU, Jun LI, Anzhang MAO, Jiaxing LI. Production of Low-Grade Nickel Matte by Sulphidizing Smelting of Low Grade Copper-Nickel-Bearing Electroplating Sludge[J]. Mining and Metallurgical Engineering, 2023 , 43 (6) : 133 -138 . DOI: 10.3969/j.issn.0253-6099.2023.06.029
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Year 2023 volume 43 Issue 6
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doi: 10.3969/j.issn.0253-6099.2023.06.029
  • Receive Date：2023-06-03
  • Online Date：2026-03-05
  • Published：2023-12-01
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  • Received：2023-06-03
Affiliations
    1.Guangdong Feinan Resources Recycling Co Ltd, Zhaoqing 526233, Guangdong, China
    2.Engineering Technology Research Center for Comprehensive Utilization of Industrial Solid Waste of Copper-Containing Sludge Resources of Guangdong, Zhaoqing 526233, Guangdong, China
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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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