Preparation of granular compositions

Details Preparation of granular compositions Preparation of granular compositions

1993-03-09

1994-04-26

Langel, Wayne

Chemistry of inorganic compounds

Boron or compound thereof

Oxygen containing

23313R, 71 61, 71 6405, 423280, C01B 3512, C22B 114

Patent

active

053064780

ABSTRACT:
A process for preparing granular water soluble alkali metal borate compositions by agitating a finely divided feedstock comprising a water soluble alkali metal borate and optionally boric acid, the molar ratio of alkali metal oxide to boric oxide in the feedstock being from about 0.1 to 0.5:1, optionally heating the agitated feedstock particles, contacting the agitated feedstock particles with an aqueous granulating agent to agglomerate feedstock particles, and recovering a granular borate composition having an average particle size of at least 250 micro meters. The resultant granulated product has a higher bulk density and better water dissolution rate than the feedstock particles.

REFERENCES:
patent: 1961073 (1934-05-01), Newman
patent: 2094881 (1937-10-01), Gale
patent: 4256479 (1981-03-01), Harrison
patent: 4681748 (1987-07-01), Doetsch et al.
patent: 4857286 (1989-08-01), Mazzinghi
patent: 4968500 (1990-11-01), Bertsch-Frank et al.
patent: 5094827 (1992-03-01), Bertsch-Frank et al.

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