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Preparation technology of food grade heavy magnesium carbonate

Hebei Messi Biology Co., Ltd. stated that heavy magnesium carbonate is one of the important components of food additives and can affect the performance of flour. Heavy magnesium carbonate was prepared according to the metathesis reaction. The effects of raw material concentration, reaction temperature, reaction time and other conditions on magnesium carbonate grains were studied, and the crystal morphology was characterized by visual inspection and weighing.

Heavy magnesium carbonate is also called basic magnesium carbonate. Its chemical formula is 3MgCO3·Mg(OH)2·4H2O. It is mainly used in the food, cosmetics and pharmaceutical industries. In recent years, heavy magnesium carbonate has been widely used in flour improvers. As an auxiliary ingredient, it can improve the dispersion and fluidity of flour improvers and is an anti-caking and loosening agent. At present, the domestic demand for heavy magnesium carbonate is increasing year by year, showing good development prospects. The heavy magnesium carbonate produced under appropriate conditions is white granular crystals with uniform size, high packing density and good fluidity. It is an ideal food additive.

Magnesium Carbonate Heavy Powder

Hebei Messi Biology Co., Ltd. stated that it used cheap brine and soda ash as raw materials and used the principle of metathesis reaction to prepare heavy magnesium carbonate crystals. It focused on studying the effects of raw material concentration, reaction temperature, reaction cycle, etc. on the product crystals, and adopted Characterize the product particle morphology by visual inspection, weighing and other means. Using brine and soda ash as raw materials, using the principle of metathesis reaction, and controlling the concentration of raw materials, reaction temperature, and reaction time, heavy magnesium carbonate crystals with uniform particles and good fluidity were prepared. After weighing, the mass fraction of magnesium oxide was calculated. It is 40%~43%, which meets the requirements of food additives.

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