Superiority:
The bitter brine after crystallization of sodium chloride is concentrated, and after extracting potassium chloride and bromine, it can be made into a halogen sheet with a relative density of 1.7059 (15.5 ° C). The main components are: MgC12 46.8%, CaCl2 3.42%, NaCl 0.36%. CaSO4 0.43%. Then, after removing bromine by vacuum, the mixture is evaporated to 140 ° C under normal pressure to remove impurities, and then, there is a needle crystal of magnesium chloride hexahydrate after cooling, and after separation, the product is obtained by recrystallization.
Magnesium chloride can also be obtained by dissolving magnesium oxide or magnesium carbonate in hydrochloric acid.
MgCO3+2HCl→MgCl2+H2O+CO2↑
Details:
Upstream raw material hydrochloric acid-->bromine-->magnesium oxide-->potassium chloride-->calcium hypochlorite-->magnesium chloride-->magnesium carbonate-->calcium chloride (hexahydrate)-->octadecylamine -->Salt brine
Downstream products Acidic alumina-->magnesium oxide-->lactic acid-->magnesium carbonate-->magnesium chloride-->3-cyclopropyl-1H-pyrazole-5-amino-->ammonium paratungstate-->2-( 3-piperidine)-1-, 3-4-sodium methyl ester-->resin, glass cloth-->thiophene-2-thioformamide-->(light) basic magnesium carbonate, hexahydrate- ->Active Magnesium Hydroxide-->Magnesium Gluconate-->Cotton Fabric Finishing Agent-->Drying Agent