Mining

With the price of gold skyrocketing and increasing more than 100% in last 5 years, the gold extraction industry has to manage extraction of gold from ores of diminishing quality. The quality of these ores are different depending on the location and type of mines. As a result the process of gold extraction becomes very challenging. Also the extraction solutions have to be cutomised for every mine to provide a cost effective and operationally smooth experience keeping environmental responsibility in mind. Alchemi Carbons Granular Activated Carbon (GAC) products efficiently remove gold, copper, nickel, zinc, uranium and precious, rare earth and base metals from ore, waste and reclaimed streams.

In a mine, any gold that is not adsorbed by activated carbon will be lost. In order to ensure the highest possible gold yield, selection of the right activated carbon product is crucial.
Alchemi Carbons R&D team and technical have great knowledge of all applicable procedures and provide assistance in choosing the right product and process for your industry. They continue to find more opportunities for mine operators and metallurgists.

In gold winning, activated carbon is used to extract the gold cyanide complex. Coconut shell based activated carbons are suited to this application because of their excellent adsorption characteristics, extreme hardness and good regenerability. Alchemi Carbons product line can be used in -

Carbon-In-Pulp (CIP) : Gold pulp is mixed with sodium cyanide, then is contacted with activated carbon in a series of agitated adsorption tanks to solubilise the gold.

Carbon-In-Column (CIC) : Dilute cyanide solution percolate over a heap of crushed ores and is then pumped through activated carbon columns.

Carbon-In-Leach (CIL) : for Heap leaching: Similar to CIP but leaching and adsorption occur in a single unit process operation.

This table shows a selection of Mining applications and our standard activated carbon grades. In cases where you have a special process or special quality demands, other products may be recommended.

PRODUCT NAME PRODUCT CATEGORY DATASHEET SDS CONTACT
A 2
B 2
C 2