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SART Process for Gold Operations
SART process technical document (pdf)
Many of the known gold deposits in the world are in areas rich with copper, zinc, and other base metals. This can create a metallurgical challenge for gold extraction when cyanide-leachable base metals are present, resulting in reduced gold yields and increased processing costs.
The SART process (sulphidization-acidification-recycle-thickening), developed jointly by SGS Lakefield and Teck Corporation, can remove the metallurgical interference of leachable copper and zinc, and regenerate cyanide so that it can be recycled to the gold operation.
BioteQ has proven experience with SART process design, construction, and operations. Our SART plants:
- Selectively recover copper or zinc from gold leach solutions. The metals are recovered in a high-grade form that can be sold to a refinery, and recycled into useful products. This reduces copper- and zinc-cyanide complexes and the associated environmental impact, maximizes resource recovery at the site, and creates an additional revenue source.
- Improve gold yields and purity of the gold dore.
- Reduce operating costs for the gold process by reducing the volume of cyanide required for gold extraction. Up to 95% of cyanide can be regenerated and recycled.