When a method called the cyanide process was invented, men made fortunes buying dumps of rock abandoned as commercially worthless and putting them through the new method.

当一种名为氯化工艺的方法问世之后，人们通过购买一堆没有任何商业价值的矿石，然后利用这种新方法进行提炼，同样可以赚得盆满钵盈。

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A new method of handling cyanide wastewater produced in roasting-cyanidation process was proposed in the paper.

研究提出了一个焙烧—氰化工艺中含氰废水处理的新方法。

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After analyzing the experimental result for the affecting factors, the project that using the method of intermittence reaction to treat the cyanide wastewater is proposed.

对实验的结果进行了影响因素分析，提出了采用间歇式方法处理含氰废水的工艺方案。

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The method, which is said to have no discharge and no effluence, is considered cost-competitive with cyanide if the ore contains sulfites, Faucher said, but can be used with oxidized and mixed ores.

FORBES: Firm Uses Cyanide--Free Method To Leach Gold, Other Metals