Manufacture of pure potassium carbonate, low-pH liquid detergents, fire-extinguishing agent, analytical reagent, agriculture (improves soils, corrects soil pH, reduces acidity, fertilizer, feed), catalyst (polymerization of synthetic fibres, dehydrogenation of olefins), pharmaceuticals and foods (antacid, electrolyte replenisher and potassium supplement, an excipient, leavening agent (baking powders), pH control agent, and a nutrient supplement (e.g., infant formulations), processing aid in extruded foods,foaming and fizzing agent in instant beverages, colour preservative), used in impregnated paper or cellulose as a filter for tobacco smoke, household odour remover, an accelerator in fast setting cements, aqueous resin-based coatings and adhesives, high-temperature polymer blowing agent, detergent builder, deicer, hair and skin products, and laboratory reagent.