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Experimental Study on New Reagents for Flotation of Low-Grade Copper-Sulfur Resource in Hubei Province
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Huimin ZHANG1, Zhaohui YAO1, Hong YU1, Hanquan ZHANG1, 2, Mingxia LIU1, 2
Mining and Metallurgical Engineering | 2026, 46(3) : 145 - 150
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Mining and Metallurgical Engineering | 2026, 46(3): 145-150
• MINERAL PROCESSING •
Experimental Study on New Reagents for Flotation of Low-Grade Copper-Sulfur Resource in Hubei Province
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Huimin ZHANG1, Zhaohui YAO1, Hong YU1, Hanquan ZHANG1, 2, Mingxia LIU1, 2
Affiliations
  • 1.School of Resources and Safety Engineering, Wuhan Institute of Technology, Wuhan 430205, Hubei, China
  • 2.National Key Laboratory of Green and Efficient Development and Utilization of Phosphate Ore and Its Associated Resources, Wuhan 430074, Hubei, China
doi: 10.3969/j.issn.0253-6099.2026.03.019
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The iron tailings in Hubei contains 0.058% copper and 9.26% sulfur. It is recovered by bulk flotation followed by separation on site, but the flotation indices of copper and sulfur are unsatisfactory. In order to improve the comprehensive resource utilization rate, experiments on flotation with new reagents were carried out for such iron tailings. With tailings at a grinding fineness of -0.074 mm 64.81%, a bulk floatation was performed with a new collector Xiexin 930 and frother No. two oil; a separation flotation was conducted with activated carbon as an activator, Xiexin 950 as a copper collector, and slaked lime as a sulfur depressant added in stages. As a result, the experiment produced a copper concentrate grading 17.77% Cu at recovery of 60.07%, and a sulfur concentrate grading 38.16% S at recovery of 34.48%. Compared with the on-site reagent regime, the separation indices are improved, with recoveries increased by 17.60 percentage points and 12.28 percentage points, respectively. It is shown that copper and sulfur resources in such iron tailings can be effectively recovered. This experimental study can provide a theoretical reference for the efficient recovery of other similar low-grade ores.

iron tailings  /  copper  /  sulfur  /  flotation reagent  /  flotation  /  Cu/S separation
章慧敏, 姚兆辉, 余洪, 张汉泉, 刘明霞. 湖北某低品位铜硫资源新型药剂浮选试验研究. 矿冶工程杂志, 2026 , 46 (3) : 145 -150 . DOI: 10.3969/j.issn.0253-6099.2026.03.019
Huimin ZHANG, Zhaohui YAO, Hong YU, Hanquan ZHANG, Mingxia LIU. Experimental Study on New Reagents for Flotation of Low-Grade Copper-Sulfur Resource in Hubei Province[J]. Mining and Metallurgical Engineering, 2026 , 46 (3) : 145 -150 . DOI: 10.3969/j.issn.0253-6099.2026.03.019
Appendix
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Year 2026 volume 46 Issue 3
141
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Article Info
doi: 10.3969/j.issn.0253-6099.2026.03.019
  • Receive Date：2025-12-15
  • Online Date：2026-10-08
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  • Received：2025-12-15
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Affiliations
    1.School of Resources and Safety Engineering, Wuhan Institute of Technology, Wuhan 430205, Hubei, China
    2.National Key Laboratory of Green and Efficient Development and Utilization of Phosphate Ore and Its Associated Resources, Wuhan 430074, Hubei, 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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