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堆浸法提金
堆浸是将开采出来的矿石转运到预先备好的堆场上筑堆,或直接在堆存的废石或低品位矿石上,用氰化浸出液进行喷淋或渗滤,使溶液通过矿石而产生渗滤浸出作用,氰化浸出液多次循环,反复喷淋矿堆,然后收集浸出液,再用活性炭吸附法或金属锌置换法处理。国外用堆浸法处理的矿古金品位一般为1~3g/t,金的回收率50%~80%,银回收率30%~50%。
Heap leaching process
堆浸是将开采出来的矿石转运到预先备好的堆场上筑堆,或直接在堆存的废石或低品位矿石上,用氰化浸出液进行喷淋或渗滤,使溶液通过矿石而产生渗滤浸出作用,氰化浸出液多次循环,反复喷淋矿堆,然后收集浸出液,再用活性炭吸附法或金属锌置换法处理。国外用堆浸法处理的矿古金品位一般为1~3g/t,金的回收率50%~80%,银回收率30%~50%。
Heap leaching is a Ore Transshipment will be mined to pre prepared yard on the heap, or directly in the storage of waste or low grade ores, spray or infiltration by cyanide leaching solution, the solution generated by the ore leaching cycle times, cyanide leaching solution, repeated spraying ore heap leaching, then collect liquid, then active carbon adsorption method or metal zinc replacement method. Foreign use of heap leaching ore processing the TCI bit is generally 1 ~ 3g/t, the gold recovery rate 50% ~ 80%, silver recovery rate is 30% ~ 50%.