Many jurisdictions have strict regulations controlling the destruction of cyanide and metal cyanide in tailings prior to discharge into the environment. Additionally, the cost of treating cyanide can represent an important part of the total operating costs incurred during gold recovery. A bankable, cost-effective solution to cyanide destruction is a major consideration from the early planning stages of a gold metallurgical plant.
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SGS is respected as a technological leader in the destruction of cyanide. We provide globally recognized bankable and cost-effective solutions to cyanide destruction while ensuring compliance with local regulations. SGS offers a number of different processes for cyanide destruction. Our metallurgists consider several factors before recommending the best option for your particular application:
- Environmental regulations that specify the allowable concentration limits in the tailings
- The unique chemical composition of the tailings from your operation
- Detoxification techniques in relation to their ability to treat certain species
- Reagent consumption and cost
SGS has extensive experience with the several most effective methods of cyanide destruction. Our experts work with you to select the method that is most appropriate for your operations. The advantages and limitations for our most commonly used methods are listed below. Please see the asset Cyanide Destruction for advantages and limitations of other common processes.
SGS can offer expert advice in all aspects of cyanide leaching, recovery and destruction. Contact us early in your project to discuss possible solutions to the use, recovery and destruction of cyanide in your tailings to ensure that you can satisfy environmental regulations and ultimately improve your bottom line.