Precipitation of Cyanide as Cu_2Fe(CN)_6 Compounds from Cyanidation and Detoxification Circuits

机译：从氰化和解毒回路中析出氰化物作为Cu_2Fe（CN）_6化合物

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Cyanide is a significant cost in gold processing, as well as an environmentally sensitive issue. In has been suggested that precipitation of cyanide from leach liquors as copper-iron-cyanide compounds such as Cu_2Fe(CN)_6 may account for part of the total cyanide consumption. This may be especially true for ores that are irch in both copper and iron minerals. Ammonia addition has been sown to decrease the cyanide consumption by copper. Cu_2Fe(CN)_6.xNH_3 precipitates have also been postualted to from during conventional cyanide detoxification processes, using oxidants such as SO_2/air, with ammonia arising as a breakdown product from the oxidation of free cyanide.

机译：氰化物是黄金加工的巨大成本，也是对环境敏感的问题。已经提出，从浸出液中以铜-铁-氰化物如Cu_2Fe（CN）_6沉淀氰化物可能占氰化物总消耗量的一部分。对于同时含铜和铁矿物质的矿石而言，尤其如此。已播种氨，以减少铜消耗的氰化物。 Cu_2Fe（CN）_6.xNH_3沉淀物也已在常规的氰化物解毒过程中使用氧化剂（如SO_2 /空气）进行了后处理，其中氨是游离氰化物的氧化分解产物。

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《International Congress on Mineral Processing and Extractive Metallurgy 11 - 13 September 2000 Melbourne, Victoria》|2000年|p.201-206|共6页
会议地点 Melbourne(AU);Melbourne(AU)
作者
M.D. Adams; J.H. Kyle;
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原文格式 PDF
正文语种 eng
中图分类冶金工业;
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Precipitation of Cyanide as Cu_2Fe(CN)_6 Compounds from Cyanidation and Detoxification Circuits

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