CYANIDE REMEDIATION: CURRENT AND PAST TECHNOLOGIES

CYANIDE REMEDIATION: CURRENT AND PAST TECHNOLOGIES
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发表时间：
1995
期刊：
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影响因子：
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通讯作者：
C. Young;T. S. Jordan
C. Young;T. S. Jordan
中科院分区：
其他
文献类型：
--
作者：
C. Young;T. S. Jordan

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Cyanide (CN) is a toxic species that is found predominantly in industrial effluents generated by metallurgical operations. Cyanide's strong affinity for metals makes it favorable as an agent for metal finishing and treatment and as a lixivant for metal leaching, particularly gold. These technologies are environmentally sound but require safeguards to prevent accidental spills from contaminating soils as well as surface and ground waters. Various methods of cyanide remediation by separation and oxidation are therefore reviewed. Reaction mechanisms are given throughout. The methods are compared in regard to their effectiveness in treating various cyanide species: free cyanide, thiocyanate, weak-acid dissociables and strong-acid dissociables.