Canadian miner develops environmentally friendly way to produce potash – by Valentina Ruiz Leotaud (Mining.com – October 11, 2020)

https://www.mining.com/

A Canadian company has developed a new, environmentally friendlier mechanism to produce potash without generating salt tailings and requiring no surface brine ponds.

According to Saskatoon-based Gensource Potash (TSX-V: GSP), the absence of tailings eliminates decommissioning risks, while not having ponds removes the single largest negative environmental impact of conventional potash mining.

The extraction method that Gensource has created injects a hot salt (NaCl) brine into horizontal caverns in the ore body, which selectively dissolves potash, (KCl) leaving salt in place.

The KCI-rich brine is then processed (KCI ‘drops out’ through cooling crystallization) and the NaCl brine is reheated and re-circulated back to the cavern to repeat the process.

For the rest of this article: https://www.mining.com/canadian-miner-develops-environmentally-friendly-way-to-produce-potash/

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