1. Abstract: The preparing technology of transparent magnesium carbonate and its operating conditions were discussed.

2. The synthesis process of light magnesium carbonate from low - grade magnesite by carbonation method is described.

3. The preparing technology of transparent magnesium carbonate and its operating conditions are discussed.

4. The reaction mechanism of carbonation for the production of light magnesium carbonate from dolomite is discussed.

5. Through experiment, the suitable process parameters that produced spherical magnesium carbonate were obtained.

6. The synthesis of magnesium pyruvate from pyruvate acid with magnesium carbonate was studied.

7. Securoc C10. This new flame retardant is based on hydrated calcium magnesium carbonate.

8. The synthesis principle, method and influential factor of spherical magnesium carbonate were discussed in this paper.