A new technology of beryl beneficiation

Beryl Beneficiation Patent Technology: The present invention provides a beryl beneficiation process for extracting useful minerals from lean ore or tailings of lower grade. The invention is characterized in that the valuable components in the mineral are sorted in a weakly alkaline medium, which solves the complicated process, long process, large equipment investment, high energy consumption and economy brought by using strong acid or strong alkali beneficiation in the prior art. Low efficiency, high equipment corrosion, serious environmental pollution and other issues. There is no need to dehydrate, warm, wash or mine, and it is not necessary to remove magnetic minerals and easy-floating minerals. Only one coarse, one fine, one sweep can obtain a high-grade cerium oxide concentrate, and the treated wastewater is greatly discharged. Exceeding national standards, and producing no toxic or harmful gases in production, the selected tungsten, antimony and fluorite concentrates have high grades, and the comprehensive recovery rate is 60%-80%, which can fully and effectively utilize valuable mineral resources. Patented beryl beneficiation technology: a beryl beneficiation method, including tailings or lean ore and fluorite flotation, characterized in that it adds the following ingredients to the mineral: sodium carbonate 300-800 g/t, collector 400 to 1300 g / t, the sodium silicate 200 to 1200 g / t, NaOH 50 to 300 g / t aluminum sulfate 250 to 1000 g / t, the iron salt of 100 to 600 g / t, the foaming agent 10 to 30 Gram / ton, cation collector 50 ~ 200 g / ton, after fluorite flotation, and then beryl reverse flotation, to obtain cerium oxide concentrate.

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