Salt Lake Potash has confirmed the start of commissioning for a sulphate of potash (SOP) processing facility at its Lake Way Project near the Wiluna complex in Western Australia.

SO4 LakeWayThe company retained GR Engineering for the plant’s engineering, procurement and construction (EPC) contract. 

“First time potassium rich harvest salts, precipitated from lake aquifer brine, have been fed into [the] SOP plant,” the company said.

“First harvest salts have been successfully fed into the feed hopper, conveyed to the surge bin, run through the lump breaker and then into the attritioning feed tank at the front-end of the process plant,” officials said of the current work.

Over the coming weeks, the utilities, conversion circuit, flotation circuits, crystallisers and dryer will all be commissioned. First production and SOP sales are on schedule for the June quarter. Plant designer Wood Group as well as vendors Veolia and Broadbent, among others, will be assisting in the commissioning process. 

Salt Lake, which powered the commissioning with 2-MW diesel generators, said it will continue the units’ use to advance commissioning in the coming weeks. Additionally, gas supply lines and a delivery station for its 10-MW power station are fully commissioned and power-on has been set for late April.

“Commencing commissioning of Australia’s first sulphate of potash processing plant is a major milestone for SO4 and testament to the hard work of our owners’ team and GR Engineering Services,” said CEO Tony Swiericzuk.

“It is exciting to see the vision that was first conceived in late 2018 come to fruition less than two and a half years later. First SOP sales and revenue are now well within sight.”

Lake Way has a 20-year expected lifespan.

Source: Salt Lake Potash

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