Process for the preparation of sodium percarbonate as regular rh

Details Process for the preparation of sodium percarbonate as regular rh Process for the preparation of sodium percarbonate as regular rh

1977-03-23

1978-10-03

Thomas, Earl C.

Chemistry of inorganic compounds

Carbon or compound thereof

Oxygen containing

C01B 1510

Patent

active

041184653

ABSTRACT:
A process for the preparation of sodium percarbonate is disclosed in which concentrated hydrogen peroxide is caused to act generally in the presence of a crystallization modifier on a fluid suspension of sodium carbonate decahydrate in a substantially saturated solution of sodium carbonate, the sodium carbonate decahydrate being in a quantity such that the enthalpy of its dissolution compensates for the enthalpy of crystallization or formation of the sodium percarbonate or other exothermic phenomena. The process is applicable to obtaining sodium percarbonate, of which the elementary particle is a regular rhombohedric crystal.

REFERENCES:
patent: 1036316 (1912-08-01), Ormandy et al.
patent: 3883640 (1975-05-01), Smart

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