Francis Lawrence Bosqui has written:

'Practical notes on the cyanide process' -- subject(s): Cyanide process

i would like to know about the making process of cyanide copper salt

The process that uses cyanide to extract gold from ore is called cyanidation or the cyanide leaching process. It involves treating the ore with a weak cyanide solution, which dissolves the gold and forms a soluble complex. The gold is then recovered from the solution by various methods such as carbon adsorption, precipitation, or electro-winning.

heap leaching

The process for removing gold from gold ore is cyanide leaching. The short version of this process: grind the gold ore to a fine powder, then mix it with an aqueous solution of sodium cyanide.