To satisfy the demand of new technique of high pressure nontoxic gold leaching the automatic control system of field parameters based on IPC is investigated.
针对高压改性石硫合剂提金新工艺的要求，研究了基于IPC的现场参数的自动控制系统。
If the leaching system of ore gold is in the nonequilibrium state, it possesses not only higher leach rate but also less consumption of thiourea.
如浸取矿金的体系也处非平衡状态，则不但浸取速度快，而且硫脲消耗少。
The thermodynamic criterion and the equilibrium constant criterion of the gold leaching with iodide were proposed. The leaching system of gold with iodine-iodide was thermodynamically analyzed.
通过推导碘化物浸金过程的热力学判据，提出碘化物浸金的平衡常数判据，对碘-碘化物浸金体系进行了热力学分析。
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