COBALT CAPTURE
While the cobalt in platinum group metals (PGMs) ore is destroyed during conventional PGM processing, the new Kell technology can put an end to all that. The lower-temperature hydrometallurgical process developed by the Pallinghurst group saves cobalt from destruction at a time when the cobalt price is set for a good run and the platinum mining business is in need of every co-product credit it can lay its hands on. Kell also reduces mining-to-refining time to a week, instead of one month plus, uses less than a fifth of the electricity needed for smelting, replaces a smelting plant that costs $1-billion with a modular hydrometallurgical plant that costs $100-million, widens mining scope by throwing chrome-ore content caution to the wind and eliminates all pungent and toxic sulphur dioxide emissions. Just what the doctor ordered for the slumping PGMs business.
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