In gold refining, cyanide is used to dissolve gold from ore, forming a cyanide solution. The solution is then passed activated carbon tank to adsorb the gold. Coconut shell activated carbon is preferred over other forms of activated carbon in gold refining due to its high adsorption capacity, low ash content, and low levels of impurities such as sulfur, which can interfere with the recovery process.
Coconut shell activated carbon is also biodegradable and renewable, making it a sustainable option for gold refining. The spent carbon can be regenerated and reused, reducing waste and costs associated with disposal.
