potassium+hydrogen+carbonate
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Gypsum, ammonium hydrogen carbonate and potassium chloride were used as raw materials in this research, to produce potassium sulfate, potassium ammonium chloride and calcium carbonate.
以石膏、碳酸氢铵和氯化钾为原料，生产硫酸钾、氯化铵钾和碳酸钙，原料综合利用充分，经济效益好。
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