First, the kinetic models for the processes of gold cyanidation and gold . The CIL process takes place in large continuous stirred tank reactors (CSTRs) where.
Nov 18, 2015 . A reaction between gold and cyanide solution in the presence of oxygen . stirred tanks are usually the type of vessels used for this process.
Cyanide Leach Process - pH. Mining: Gold . (>10.5pH) so that free cyanide (CN-) will dissolve the gold in the ore. High grade ore is typically reserved for agitated leaching. loaded carbon through a stripping vessel at elevated pH.
best reactant addition strategy in a cascade of agitated leaching tanks is not available . ematical model of the gold cyanidation process, calibrated with a set of.
Gravity separation; Flotation; Cyanidation; Refractory ore processing; Alternative lixiviants . Agitated tank leaching; Heap leaching; Carbon adsorption recovery.
This document provides a general overview of the use of cyanide in the gold . The cyanide solution is fed from the storage tank into the metallurgical process . The gold is recovered by means of either heap leaching or agitated pulp leaching.
Apr 18, 2016 . This is a gold extraction process called cyanidation where carbon is . The evaluation of agitated tank leaching verses CIP and CIL circuits is.
leach tanks, adsorption tanks, tailing storage facility surfaces and return water dams. The calculated model . 2.1 Cyanide in gold processing. 3. 2.2 Tailings storage ... Effect of stirring on the volatilisation rate (Lye et al, 2004)....... 40.
May 16, 2008 . Tank leaching can be performed as a batch process but is normally operated as a . In a continuous stirred tank reactor (CSTR) series leaching is . and to liberate the gold for subsequent recovery by cyanide leaching the.