氰离子( CN -)浓度是氰化浸金生产工艺的关键参数。针对氰化浸金工艺中氰离子浓度在线分析技术进行了研究,包括检测原理、分析装置的设计、滴定分析算法、取样技术等,成功研发了基于电位滴定原理的氰离子浓度在线分析仪,并进行了工业试验。试验结果表明,该仪器完全满足了氰化浸金生产中氰离子浓度在线分析的需要,为优化浸出条件提供了数据基础。
Cyanide ion ( CN-) concentration is one of the key process parameters in cyanide leaching of gold . This paper studied the online analysis technology of cyanide ion concentration in cyanide leaching of gold ,including the detection principle and implementation ,the design and development of the analysis device ,titration analysis algo-rithm,sampling technology research ,etc.,successfully developed cyanide ion concentration online analyzers based on the principle of potentiometric titration , and completed the industrial test .The test showed that the instrument fully meets the measurement needs of cyanide leaching in gold production ,and provides a detection basis for the leaching optimization .
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