Veolia Water Technologies Paves The Way for Soluble Fertilizer Revolution in Australia

By : Krishna Anindyo | Thursday, May 21 2020 - 08:09 IWST

Veolia Water Technologies
Veolia Water Technologies

INDUSTRY.co.id - Perth-based Salt Lake Potash Ltd. is developing the Lake Way potash mining project to produce 245,000 tons per year of SOP (K2SO4) from dry salt lake deposits in the Northern Goldfields region of Western Australia. To recover low-cost high-grade SOP, the production uses solar evaporation to concentrate the hypersaline, potassium-rich brines for salt harvesting.

To further process these solids, Veolia will design and supply two HPD crystallizers: one to grow 32 tons of high-purity potassium sulfate crystals every hour, the other to recycle 54 tons per hour of solids to yield the maximum potassium recovery.

More performance, less risk. As part of this contract, Veolia provided bench-scale testing at Veolia’s Phillip J. Stewart Technology center in Plainfield, Illinois (USA). The results validated the feed chemistry, simulated the optimal flowsheet design, and confirmed process performance projections that helped to de-risk the project.

To accelerate this fast-track project and achieve the delivery schedule, Veolia staged the progress to advance the basic engineering and testing simultaneously. These actions not only optimized capital investments but also lowered operating costs through a system design that minimizes fouling and cleaning requirements.

With its HPD technologies tailored to growing fully-soluble crystals, Veolia helps global fertilizer producers to optimize their recovery operations and the value of its product portfolio with a focus on enhancing environmental sustainability as well as energy and resource efficiencies.

Fresh produce on the rise. With the rapid growth of a global middle class come shifts in dietary patterns towards more varied fresh food and vegetable consumption. Most of these high-value crops are chloride-intolerant which drives the demand for specialty agricultural inputs such as chloride-free SOP fertilizer.

Perhaps more important for fertilizer producers is that these trends, along with a stronger emphasis on sustainable agriculture and its benefits on human health and the environment, offer considerable growth opportunities.

In the Asia Pacific region, the demand for premium fertilizers such as SOP is thriving thanks to the expansion of micro-irrigated, green-house grown horticulture, particularly in Australia and China that top the list of countries with the largest harvested area dedicated to certified organic farming.

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