Process for the preparation of alkyl sulfate powder having a hig

Details Process for the preparation of alkyl sulfate powder having a hig Process for the preparation of alkyl sulfate powder having a hig

1993-08-16

1995-05-02

Chan, Nicky

Organic compounds -- part of the class 532-570 series

Organic compounds

Sulfate esters

C07C30504

Patent

active

054121361

ABSTRACT:
A process for the preparation of alkyl sulfate powders, which entails spraying an aqueous solution or dispersion of alkyl sulfates into a head part of a spraying tower through single-component nozzles under pressure sufficient to form a spray mist, and drying the resulting spray mist in co-current manner using an inert gas at a temperature sufficient to afford a powder having a bulk density of at least 300 g/l.

REFERENCES:
patent: 4482470 (1984-11-01), Reuter et al.
Database WPI, Derwent Publications Ltd., AN-79-70925B, JP-A-54 106 428, Aug. 21, 1979.
Patent Abstracts of Japan, vol. 1, No. 84, (C-77), JP-A-52 46 025, Dec. 4, 1977.
Chemical Abstracts, vol. 92, 1980, AN 24764c, Norihiro ONO, et al., "Granulation Of Higher Alkyl Sulfates", p. 143.

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