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Salt Lake Potash completes construction of SOP brine evaporation pond

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World Fertilizer,

Salt Lake Potash Ltd has commenced pumping the Williamson Pit brine into a commercial scale Sulphate of Potash (SOP) brine evaporation pond (Williamson Ponds) at its Lake Way Project in Western Australia.

Construction of the Williamson Ponds has recently been completed, with pond dimensions of 2.5 km by 0.5 km. These ponds have been designed to receive the 1.2GL of high-grade SOP brine from the Williamson Pit mine, with de-watering of the pit now underway. The de-watering is scheduled to complete in 3Q19.

Given the super-saturated nature of the Williamson Pit brines, precipitation of salts started immediately upon pumping into the evaporation pond. The company will be able to harvest first salts from the Williamson Ponds which are expected to be utilised as initial feed stock for processing.

Salt Lake Potash’s Chief Executive Officer, Mr Tony Swiericzuk, said:

“It is very pleasing to see the high-grade Williamson Pit brines being pumped into the commercial scale SOP evaporation ponds. It’s a real milestone in the development of our Lake Way Project and a first in the development of an exciting new industry for Western Australia. Importantly, construction of the Williamson Ponds has provided the team with invaluable data on both methodology and costs, which will feed into the BFS that is now well advanced and due to be completed during the September quarter.”

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