The dolomite is calcined to form the mixture of calcium oxide and magnesia,then the mixture is extracted by ammonium chloride solution and ammonium sulfate solution respectively.

• 通过对煅烧后的白云石中所含的氧化钙和氧化镁,分别采用氯化铵溶液和硫酸铵溶液进行浸提,使其中的钙、镁得到较好的分离。