The Flotation for Oxidized Lead Minerals at Osarizawa Mine

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  • USUI Yoshio
    三菱金属鉱業株式会社尾去沢鉱業所選鉱課

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  • 尾去沢鉱山における酸化鉛鉱の浮選
  • オサリザワ コウザン ニ オケル サンカ ナマリコウ ノ フセン

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Abstract

The flotation methods for oxidized lead minerals, such as anglesite, furnish galena, beaverite, were investigated by three methods mentioned below.Comparlng these methods by laboratory sfudies, foibwlng results were obtained.<BR>1) By the soap flotation method, although the cost is low, the lead recovery is very low and the primary slime cannot be treated.<BR>2) In the sulfidizing method using sodium sulphide and sodium phosphate dibasic, the lead recovery is satisfactory but the reagent cost is high.<BR>3) In the modified method.using methyl xanthate and sodium phosphate dibasic, the lead recovery is quite satisfactory and the cost is lower than the sulfidizing method.<BR>Following the third method, our plant operation has been very satisfactory.

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