专利名称：Processing of acid-consuming mineral
trickerymaterials involving treatment with acidic
biooxidation effluent
发明人：James A. Brierley,Fritz-Peter Sawyer
申请号：US11146250动漫 培训
美女与野兽 歌曲申请日：20050606
公开号：US07514050B2
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就业最好的专业20090407
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专利内容由知识产权出版社提供
supp摘要：In one aspect the prent invention provides a method of recovering gold from each of at least two different refractory gold-bearing sulfidic mineral materials. A first mineral material is subjected to biooxidation pretreatment to relea gold locked within sulfide minerals. The biooxidation produces an acidic biooxidation liquor effluent that contains significant dissolved iron in the ferric form. All or a portion of the biooxidation liquor effluent is ud as an acidic treatment liquid to treat the cond mineral material, which contains acid-consuming minerals. During the treatment, acid-consuming minerals react with the acidic solution, raising solution pH and resulting in reduced solubility and precipitation of dissolved iron and other metals. Also during the treating, sulfides in the cond mineral material or oxidized, thereby releasing gold for subquent recovery.
申请人：James A. Brierley,Fritz-Peter Sawyer
地址：Highlands Ranch CO US,Spring Creek NV US
国籍：US,US
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代理机构：Marsh Fischmann & Breyfogle LLP
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