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Cycladex to make cyanidation obsolete

Private company Cycladex aims to make the use of cyanidation to process gold obsolete with a revolutionary new flowsheet that promises to obviate community concerns and objections to mining projects. It also promises lower capex, lower opex, lower water usage and lower overall environmental footprint founder Roger Pettman told Mining Journal at the Mines and Money conference in New York.

Cycladex to make cyanidation obsolete Cycladex to make cyanidation obsolete Cycladex to make cyanidation obsolete Cycladex to make cyanidation obsolete Cycladex to make cyanidation obsolete

Is the end of cyanidation nigh?

The patent-protected flowsheet uses the same front-end as traditional cyanidation-based processing, but where cyanidation oxidises the gold to make gold cyanide, the Cycladex process leaches gold from