The principle and process of producing light magnesium oxide from dolomite with CO 2 and NH 3 method was introduced.The optimal technological parameters were obtained by the orthogonal tests.

• 本文介绍了碳氨法白云石生产轻质氧化镁的原理和工艺过程,并通过正交实验优化了工艺条件,可为工业化设计提供依据。