Claims
- 1. A process for the preparation of a crisp, free-flowing detergent powder which contains each in an effective amount for structuring the powder, a phosphate salt up to 6% by weight calculated as phosphorus, and up to 4% by weight sodium silicate, which process comprises the steps of
- (a) forming an aqueous crutcher slurry comprising from about 2% to 25% anionic and from about 3% to 20% nonionic surfactant,
- (b) conducting pressurized slurry to spray nozzles, and
- (c) spray-drying the slurry to detergent powder, wherein the slurry comprises from 1 to 5% by weight, based on the spray-dried powder, of a water-soluble succinate salt.
- 2. A process according to claim 1, wherein the water-soluble succinate salt is incorporated into the slurry prior to pressurizing.
- 3. A process according to claim 1, wherein the water-soluble succinate salt is incorporated into the pressurized slurry prior to spray-drying.
- 4. A process according to claim 1, wherein the water-soluble succinate salt comprises completely or partially neutralized sodium succinate.
- 5. A process according to claim 1 wherein the nonionic surfactant is present from about 3% to 10% by weight.
Priority Claims (1)
Number |
Date |
Country |
Kind |
8108969 |
Mar 1981 |
GBX |
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Parent Case Info
This is a continuation application of Ser. No. 358,997 filed Mar. 17, 1982, now abandoned.
US Referenced Citations (9)
Foreign Referenced Citations (1)
Number |
Date |
Country |
1365674 |
Sep 1974 |
GBX |
Continuations (1)
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Number |
Date |
Country |
Parent |
358997 |
Mar 1982 |
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