Process for the production of granular sodium perborate monohydr

Details Process for the production of granular sodium perborate monohydr Process for the production of granular sodium perborate monohydr

1986-05-15

1990-01-16

Doll, John

Chemistry of inorganic compounds

With additive

For stabilizing crystal size or shape

2521863, 252385, 423267, 423274, 423275, 423277, 423279, 423280, 423281, C01B 1512

Patent

active

048942111

ABSTRACT:
The invention relates to a process for the production of granular sodium perborate monohydrate having good mechanical strength. The process is characterized in that sodium silicate having an SiO.sub.2 /Na.sub.2 O molar ratio comprised within the range of from 0.4 to 2.0 is added to granular sodium perborate tetrahydrate while this is being kept in movement and the so processed perborate tetrahydrate is dried until perborate monohydrate is obtained.

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Julius Grant editor, Hackh's Chemical Dictionary, 3rd edition, McGraw-Hill Book Company, Inc. New York, 1944, p. 771.

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