LeachStar is an advanced control suite designed specifically for gold circuits. It incorporates leading technology to optimise the performance of various process units found on gold circuits, including thickeners, leaching circuits and carbon circuits.
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The LeachStar suite of controllers, from Mintek, increases plant performance and improves safety by deploying:
LeachStar Advanced Process Control works in conjunction with a Cynoprobe and C2 Meter to help reduce cyanide consumption by 20 per cent.
LeachStar provides a number of advantages:
When thickeners are located between unit operations, such as between milling and leaching, they present an opportunity to be used in an integrated control strategy. It is possible to significantly stabilise individual thickeners as well as downstream circuit operation by employing an effective thickener control and optimisation solution.
The LeachStar Thickener Controller provides the following benefits:
Cyanide is a significant operating cost. Its effective use requires a dosage rate related to the operating conditions on the plant and the pH of the solution must be held in the correct range. Furthermore, cyanide represents probably the most significant health and safety risk on gold circuits. Safe control of the cyanide dosage is imperative.
The following cyanidation-related control and estimation modules are available as LeachStar modules on StarCS:
Carbon-in-pulp plants offer the potential for excellent recoveries of gold, but the operating conditions must be correct. Upsets to the plant must be detected early enough so that the appropriate action can be taken.
Apart from the cyanide and pH controllers already mentioned (and applicable to adsorption control) the LeachStar control suite also includes a carbon management strategy that moves carbon upstream.
Discover the benefits that LeachStar offers by implementing a comprehensive approach to cyanide management.
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