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Since the gold rush in the 1970s, gold extraction has been popular all the time. With the depletion of easily separated gold resources, the modern gold extraction technology is developing towards the extraction of gold from refractory gold deposits. At present, the most commonly used gold extraction method is gold cyanidation . More than 80% of the gold mines use gold cyanidation method to extract gold.What are the methods for gold cyanidation? What's the difference among these methods? What kind of ore can be gold cyanidation used in ? Now let’s take a look at the commonly used gold cyanidation methods. Commonly used gold cyanidation methods include carbon in pulp, carbon in leaching, pool leachingand heap leaching. Though there is only one word difference literally between them, there are huge differences in the actual process. The pool leaching method is more suitable for ore that has a certain degree of oxidation and requires a longer leaching time. It can also be used

Ball mill  is an indispensable equipment in the beneficiation operation, because it is necessary to grind the ore to a suitable particle size to extract high-grade concentrate from the ore. Needless to say, choosing a suitable ball mill, from the pre-purchase consultation, to the smooth installation of the ball mill, the test run, takes a lot of time and effort. Moreover, the price of ball mills is relatively expensive among many mineral processing equipment. Therefore, after successfully purchasing a billiard mill, it is necessary to carry out daily maintenance and servicing of the ball mill, and the replacement of the ball mill liner is one of the essential maintenance work. Under normal conditions, if it is not improperly operated and maintained, the ball mill will not be easily damaged. Of course, the ball mill will work for a long time, and the barrel and the lining of the ball mill will also wear. When the lining wear depth is serious, which will seriously affect the effici