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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.

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通过热力学分析,揭示了铜镍电镀污泥还原硫化熔炼低冰镍过程中主要金属的物相演变规律,分析了还原硫化熔炼过程的主要影响因素。经热力学理论计算可知,电镀污泥铜和镍品位分别为6%和4%时,采用硫石膏作为硫化剂,硫实际用量为理论用量的2.0倍,熔炼气氛P(CO)/[P(CO)+P(CO2)]=50%,预期产出低冰镍的品位(Cu+Ni)为57.2%,渣中铜和镍品位均低于0.2%,铜和镍直收率分别可达99.89%和96.59%,固硫率77.20%。铜镍污泥高温硫化熔炼低冰镍工业应用结果表明,与常规湿法回收工艺相比,该工艺金属回收率更高,过程绿色低碳,具有显著的技术优势。

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周兆安(1987—),男,浙江平阳人,硕士,高级工程师,主要从事有色金属二次资源综合利用研究工作。

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周兆安(1987—),男,浙江平阳人,硕士,高级工程师,主要从事有色金属二次资源综合利用研究工作。

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周兆安(1987—),男,浙江平阳人,硕士,高级工程师,主要从事有色金属二次资源综合利用研究工作。

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低品位铜镍电镀污泥还原硫化熔炼低冰镍
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周兆安 1, 2 , 刘小文 1, 2 , 李俊 1, 2 , 毛谙章 1, 2 , 李加兴 1, 2
矿冶工程杂志 | 冶金 2023,43(6): 133-138
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矿冶工程杂志 | 冶金 2023, 43(6): 133-138
低品位铜镍电镀污泥还原硫化熔炼低冰镍
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周兆安1, 2, 刘小文1, 2, 李俊1, 2, 毛谙章1, 2, 李加兴1, 2
作者信息
  • 1.广东飞南资源利用股份有限公司,广东 肇庆 526233
  • 2.广东省工业固废含铜污泥资源综合利用工程技术研究中心,广东 肇庆 526233
  • 周兆安(1987—),男,浙江平阳人,硕士,高级工程师,主要从事有色金属二次资源综合利用研究工作。

Production of Low-Grade Nickel Matte by Sulphidizing Smelting of Low Grade Copper-Nickel-Bearing Electroplating Sludge
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
出版时间: 2023-12-01 doi: 10.3969/j.issn.0253-6099.2023.06.029
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通过热力学分析,揭示了铜镍电镀污泥还原硫化熔炼低冰镍过程中主要金属的物相演变规律,分析了还原硫化熔炼过程的主要影响因素。经热力学理论计算可知,电镀污泥铜和镍品位分别为6%和4%时,采用硫石膏作为硫化剂,硫实际用量为理论用量的2.0倍,熔炼气氛P(CO)/[P(CO)+P(CO2)]=50%,预期产出低冰镍的品位(Cu+Ni)为57.2%,渣中铜和镍品位均低于0.2%,铜和镍直收率分别可达99.89%和96.59%,固硫率77.20%。铜镍污泥高温硫化熔炼低冰镍工业应用结果表明,与常规湿法回收工艺相比,该工艺金属回收率更高,过程绿色低碳,具有显著的技术优势。

危险废物利用  /  电镀污泥  /  硫化熔炼  /  低冰镍  /  热力学分析  /  硫化剂  /  铜镍

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
周兆安, 刘小文, 李俊, 毛谙章, 李加兴. 低品位铜镍电镀污泥还原硫化熔炼低冰镍. 矿冶工程杂志, 2023 , 43 (6) : 133 -138 . DOI: 10.3969/j.issn.0253-6099.2023.06.029
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
2023年第43卷第6期
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doi: 10.3969/j.issn.0253-6099.2023.06.029
  • 接收时间:2023-06-03
  • 首发时间:2026-03-05
  • 出版时间:2023-12-01
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  • 收稿日期:2023-06-03
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    1.广东飞南资源利用股份有限公司,广东 肇庆 526233
    2.广东省工业固废含铜污泥资源综合利用工程技术研究中心,广东 肇庆 526233
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2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

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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