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

Dewatering: Thickening, Filtering, CCD, Water Treatment & Tailings Disposal 2017-04-04T06:57:46+00:00
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Chloride removal absorbents (1 reply)

2 years ago
Oberstorm 2 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
2 years ago
Sandeep Bisht 2 years ago

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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