Process for preparing stable sodium percarbonate

Details Process for preparing stable sodium percarbonate Process for preparing stable sodium percarbonate

1976-02-26

1977-05-24

Vertiz, O. R.

Chemistry of inorganic compounds

Carbon or compound thereof

Oxygen containing

8107, 252 95, 252186, 423265, C01B 302, C01B 3100, D06L 942, C01B 326

Patent

active

040256090

ABSTRACT:
Sodium percarbonate is stabilized by a metal chelating agent which will produce a chelate compound insoluble or slightly soluble in water. Such metal chelating agent is dispersed in the reaction mixture with the aid of a surface active agent when sodium carbonate and hydrogen peroxide are reached and the crystals of sodium percarbonate are separated out.

REFERENCES:
patent: 1002854 (1911-09-01), Liebknecht
patent: 2624655 (1953-01-01), Greenspan
patent: 3053633 (1962-09-01), Dunlop et al.
patent: 3402128 (1968-09-01), Pucta et al.
patent: 3661789 (1972-05-01), Corey et al.
patent: 3860694 (1975-01-01), Jayawant
patent: 3951840 (1976-04-01), Fujino et al.

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