Process of spray drying nonionic surfactant-containing detergent

Details Process of spray drying nonionic surfactant-containing detergent Process of spray drying nonionic surfactant-containing detergent

1977-02-07

1978-11-21

Pitlick, Harris A.

Compositions

Electrically conductive or emissive compositions

Metal compound containing

252528, 252542, 252547, 252DIG1, C11D 1835, C11D 1102

Patent

active

041265866

ABSTRACT:
The problem of autoxidation of detergent powders containing relatively large amounts of nonionic surfactants is reduced by incorporating in the crutcher slurry a compound containing a positively charged nitrogen atom. Such compounds should be present in an amount of from 1/2 to 6% of the resultant spray-dried powder. If desired they can be incorporated into the slurry by injection into the high pressure line to the spray-drying tower. Typical compounds containing positively charged nitrogen atoms are quaternary ammonium or organic heterocycle salts, amine oxides and betaines, although quaternary ammonium salts are preferred.

REFERENCES:
patent: 3403107 (1968-09-01), Myerly
patent: 3607763 (1971-09-01), Salmen et al.
patent: 3703480 (1972-11-01), Grand
patent: 3741913 (1973-06-01), Waag
patent: 3843563 (1974-10-01), Davies et al.

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