During practical production, the gold is always enwrapped and affected by charry material and metal sulfide, so it is hard to pick up the gold from ore smoothly via routine technics.

• 实际生产中,由于金被包裹以及碳质物和金属硫化物的影响,常规浸出工艺往往不能直接将矿石中的金顺利提取出来。