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Research on Mineral Processing Technology of Low-grade Magnesite

LI Cai-xi

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Abstract

By the optical thin section,XRD and chemical analysis methods,the characteristics of the low-grade magnesite are analysised. The ore is high silicon and calcium low-grade magnesite. The technology research and optimization tests were completed by selective grinding,pre-classification,flotation and others for the low-grade magnesite. MgO content of the magnesite concentrate was 46. 28%,its recovery was 67. 97%. Talc-chlorite yield was 91. 99%,its recovery was 94. 58%.

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What this paper is about

By the optical thin section,XRD and chemical analysis methods,the characteristics of the low-grade magnesite are analysised. The ore is high silicon and calcium low-grade magnesite. The technology research and optimization tests were completed by selective grinding,pre-classification,flotation and others for the low-grade magnesite. MgO content of the magnesite concentrate was 46. 28%,its recovery was 67. 97%. Talc-chlorite yield was 91. 99%,its recovery was 94. 58%.

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Available abstract

By the optical thin section,XRD and chemical analysis methods,the characteristics of the low-grade magnesite are analysised. The ore is high silicon and calcium low-grade magnesite. The technology research and optimization tests were completed by selective grinding,pre-classification,flotation and others for the low-grade magnesite. MgO content of the magnesite concentrate was 46. 28%,its recovery was 67. 97%. Talc-chlorite yield was 91. 99%,its recovery was 94. 58%.

Key concepts: Magnesite, Talc, Materials science, Chlorite, Grinding, Metallurgy, Mineral processing, Mineral

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