Preparation of sodium percarbonate

Details Preparation of sodium percarbonate Preparation of sodium percarbonate

1977-10-25

1979-03-27

Thomas, Earl C.

Chemistry of inorganic compounds

Carbon or compound thereof

Oxygen containing

C01B 1510

Patent

active

041465717

ABSTRACT:
Sodium percarbonate is prepared from a reaction mixture of an Mg.sup.++ containing hydrogen peroxide solution, sodium hexametaphosphate and an aqueous sodium carbonate suspension containing sodium chloride and/or sodium sulfate, wherein the initial reaction mixture contains only 3-50%, by weight, of the soda suspension while the remainder of the reactants are added subsequently. The mixture is continuously stirred until the level of peroxide remains constant, and the crystalline percarbonate is then separated.

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