Process for manufacture of detergent powder

Details Process for manufacture of detergent powder Process for manufacture of detergent powder

1984-10-25

1985-10-29

Lieberman, Paul

Compositions

Compositions containing a single chemical reactant or plural...

Organic reactant

252110, 252117, 252132, 159 05, 159 06, 159 08, 159 481, 159DIG10, 159DIG14, 202 90, 202236, 159 404, 159 405, 159 407, C11D 1102

Patent

active

045499780

ABSTRACT:
A process for manufacturing detergent powder containing heat-sensitive components is disclosed. The process involves preparation of two separate crutcher slurries, one containing the relatively heat-stable components which is sprayed in a conventional manner and a second containing heat-sensitive components which is sprayed into the spray-drying tower at a level lower than the level at which the drying air is injected. Desirably the second slurry is sprayed in a direction which includes an upward component, so as to lengthen the pathway of the sprayed droplets.

REFERENCES:
patent: 3629951 (1971-12-01), Davis et al.
patent: 3629955 (1971-12-01), Davis et al.
patent: 4261793 (1981-04-01), Nakamura et al.
patent: 4274974 (1981-06-01), Kerkhoven

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