Function Of Activated Carbon For Gold Mining - Austro Carbon. Activated carbon for mining industry is commonly utilized in the absorption of golden cyanide complexes in gold processing. This procedure can be put on the crystal clear answer via a fluidized bed column or take part in the process of leaching on the tank along with also the separation
Ethanol is then used to desorb the gold from the activated carbon. In the gold recovery process, a 6×12 coconut shell is used. Coconut shell especially is preferred as it is harder and will handle the abuse of the process. General Carbon carries a GC 6×12-GM specially developed for the gold mining
Coconut shell-based carbons are the most commonly selected type of activated carbon for gold recovery. This type of carbon boasts numerous characteristics that make it ideal for use in gold recovery, including superior hardness and pore structure. Reactivating Activated Carbon. One of the many benefits to using activated carbon is that it is reusable.
The carbon in pulp method is only used where tank leaching is utilized for the recovery of gold from the ores and this is not the case in most large gold mines today, since heap leaching is the lowest cost method for recovering gold from ores containing from a few grams to 5 or 6 grams per ton.
Mining The best known appli ion for activated carbons in the mining sector is for the extraction and recovery of gold Au , although it is also used for some other precious metals. In the gold recovery industry, there are three main methods for extraction of the metal, all of which use granular activated carbon in the recovery of gold from cyanide leachate solutions:
Activated carbon is an adsorbent that increases the concentration of gold in the solution phase. For example, an ore containing 3 g/t is leached, mixed with carbon, which loads to 3 000 g/t, a concentration up of 1 000 times. Initially the gold is leached using cyanide, lime and oxygen.
Carbon-in-column is mostly used to recover gold and silver from heap leach solutions which are often high in solids content. This method involves the gold cyanide solution flowing through a series of fluidised bed columns in an up-flow configuration.