Experimental Study On a Lean Hematite Ore in North China

Abstract

Abstract: Briefly introduced the ore properties of a lean hematite-limonite ore in North China.The influence of particle size of the grinding product and reagent dosage to flotation index were mainly studied.A reverse flotation closed circuit consisting of two-staged grinding, one middle-density magnetic and one high-density magnetic seperation to discard tailings, one roughing, one cleaning and three scavengings, separation middlings order to return could get the iron grade of 66.07% and iron recovery of 80.53%.

Key words: Hematite-limonite ore, Magnetic separation, Anionic reverse flotation

LIU Guang-Xue, ZHANG Yan-Jiao, ZHAO Ping, CHANG Xue-Yong, SHAO Wei-Hua. Experimental Study On a Lean Hematite Ore in North China[J]. Metal Mine, 2012, 41(05): 82-84.

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Experimental Study On a Lean Hematite Ore in North China

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