High-density sodium perborate and method of preparation

Details High-density sodium perborate and method of preparation High-density sodium perborate and method of preparation

1979-03-12

1980-07-08

Hearn, Brian E.

Chemistry of inorganic compounds

Boron or compound thereof

Oxygen containing

423266, 423274, C01B 1512

Patent

active

042117593

ABSTRACT:
A sodium perborate (NaBO.sub.2, H.sub.2 O.sub.2, 3H.sub.2 O) product having approximately spherical particles of size between about 250 and 600 microns, a bulk density between about 0.75 and 1.05 Kg./liter and a superior resistance to abrasion and impact, is prepared by a method comprising crystallization from a supersaturated aqueous solution of sodium perborate in the presence of an anionic surfactant and in the absence of alkaline metal silicates.

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Kirk et al. Encyclopedia of Chemical Technology, 2nd Edition Interscience, N. Y. vol. 19 pp. 511, 515-517, 520-524, 526.

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