By using zeolite production new technology - potash manufacturer Appropriate chemical industry
potash increasing role in the Chinese market, is involved in all of a lot of inorganic chemical industry, production technology of potassium carbonate manufacturer also has been seeking better, and have achieved some results.
potash factory developed a new production process & ndash; Method of zeolite, the production process is based on natural zeolite as the medium of ion exchange in seawater substitute potassium chloride as a source of potassium, adsorption and elution, evaporation, extraction, crystallization, etc to the preparation of potassium carbonate.
first, potash producer will water at room temperature through ion exchange sodium type zeolite column, zeolite by sodium type zeolite into potassium type zeolite, zeolite and after salt water elution into type sodium; Potash manufacturer then after elution solution by ammonia ion zeolite column for potassium ion adsorption again, zeolite column from ammonia into potassium, reoccupy ammonium bicarbonate solution under a certain temperature into the zeolite column, in a solution of out zeolite column contains ammonium ion and potassium, sodium, and at the same time converts type zeolite by potassium ammonium type, according to this method, continuous loop processing.
in the end, this solution will analysis of sodium bicarbonate, manufacturers will be dry in this by-product sodium carbonate can be obtained. Is higher, at the same time, the concentrate of the potassium sodium potassium carbonate solution after add a small amount of extraction solvent, blow into the carbon dioxide can get potassium hydrogen carbonate crystallization, after separation, washing, burning in calciner, can get the finished product.
potash factory production process by the zeolite method of low cost, wide raw material sources, the environmental pollution-free advantages of prominent, widely used in China's coastal areas, it has very broad prospects.