Dewatering: Thickening, Filtering, CCD, Water Treatment & Tailings Disposal

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Chloride removal absorbents (1 reply)

Oberstorm

8 years ago

Oberstorm 8 years ago

I read that in the processing of metal ores HCl is employed. Does this mean that later on there is a need to remove any remnants? Do chloride removal absorbents find any application within this industry?

Sandeep Bisht

8 years ago

Sandeep Bisht 8 years ago

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HCl is extremely corrosive to most materials of construction...likely dissolution in sulphuric, caustic or ammonia for base metals & cyanide for precious metals; in the mineral processing world, generally zero discharge entails recycle of solutions to process from tailings; chlorides may be treated in waste waters if they are above groundwater discharge limits which I believe are ~250-mg/L...RO/SX technologies are commonly used for Cl removal; if you have a cheaper & more effective mousetrap.

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