Process for the production of sodium percarbonate by atomization

Details Process for the production of sodium percarbonate by atomization Process for the production of sodium percarbonate by atomization

1974-08-15

1977-04-19

Thomas, Earl C.

Chemistry of inorganic compounds

Carbon or compound thereof

Oxygen containing

C01B 1510

Patent

active

040188744

ABSTRACT:
Processes for the preparation of alkali metal percarbonate which comprise separately spraying into a reaction chamber a hot aqueous solution of sodium hydroxide and an aqueous solution of hydrogen peroxide and introducing a hot gas containing air and carbon dioxide to obtain sodium percarbonate, the product having a mean particle diameter between 0.1 and 0.5 mm, an apparent density between 0.2 and 1 g/cm.sup.3, and an active oxygen content between 7 and 15.3 percent, the sodium percarbonate being particularly adapted for use in domestic laundry products.

REFERENCES:
patent: 2167997 (1939-08-01), Reichert
patent: 2541733 (1951-02-01), Young
patent: 3463618 (1969-08-01), Harris et al.

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