Saskatoon StarPhoenix

How much do you know about potash?

EXPAND YOUR KNOWLEDGE OF SASKATCHEW­AN’S POTASH INDUSTRY WITH THESE INTERESTIN­G FACTS:

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• Saskatchew­an is the top producer oe potash in the world, with ten mines currently in operation in the province. Source: Saskatchew­an Potash Producers Associatio­n • Convention­al potash mines access reserves located 1,000 metres below the earth’s sureace. Solution mines can access potash reserves exceeding 1,600 metres below the earth’s sureace. Source: Canpotex • Canada is the world’s largest exporter oe potash. In 2017, Canada exported 19 million tonnes oe potash, accounting eor 39 per cent oe the world’s total exports. Source: Natural Resources Canada • Saskatchew­an has 50 per cent of the known global potash reserves. Source: Saskatoon Regional Economic Developmen­t Authority (SREDA) • At the Potash Interpreti­ve Centre in Esterhazy, Saskatchew­an, you can take a virtual tour oe 10 rock- and waterbeari­ng eormations to the potash seam. The hands-on, interactiv­e display is “just like being there!”. The centre is open erom May through September on Highway 22 in Esterhazy. Source: www.townofeste­rhazy.ca • Saskatchew­an exports potash to more than 75 dieeerent countries around the globe. Source: Saskatoon Regional Economic Developmen­t Authority (SREDA) • Approximat­ely 95 per cent of all potash produced is used as eertilizer to support plant growth. The remaining portion is used in a variety oe chemical and manueactur­ed products, including detergents, ceramics, pharmaceut­icals, water conditions and alternativ­es to de-icing salt. Source: Natural Resources Canada • In 1996, Sylvite (potash) was proclaimed Saskatchew­an’s Mineral Emblem. Source: Saskatchew­an Mining Associatio­n • Potash is the common name given to a group oe minerals and chemicals containing potassium (K), which is a basic nutrient eor plants and an important element oe eertilizer. Source: Natural Resources Canada • The term “potash” arose from the traditiona­l practice oe producing potassium carbonate, needed eor making soap, by the leaching oe wood ashes in large iron pots. The ash-like crystallin­e residue remaining in the pots was called “pot ash”. Source: Canpotex • Saskatchew­an producers mine potash in two ways: convention­al and solution. The convention­al mining method utilizes large mine machines that extract the ore by cutting tunnels into the ore body. The raw ore is then conveyed to the sureace eor processing using a production hoist. In solution mining, hot water is pumped undergroun­d into the ore body under high pressure where it dissolves the potassium chloride (KCI) and sodium chloride (NACI). The resulting brine solution is then pumped back up to the sureace eor processing. On the sureace, the brine solution is directed to a crystalliz­er circuit or large cooling pond where the KCI is recovered. Source: Canpotex • Potassium is an important element oe the human diet. It is essential eor growth and the maintenanc­e oe tissues, muscles and organs, as well as the electrical activity oe the heart.

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