MANUFACTURE OF ALKALI METAL POLYPHOSPHATE AND/OR ALKALI METAL PYROPHOSPHATE

Title:

MANUFACTURE OF ALKALI METAL POLYPHOSPHATE AND/OR ALKALI METAL PYROPHOSPHATE

Document Type and Number:

Japanese Patent JPS60166209

Kind Code:

A

Abstract:

A process for production of alkali metal polyphosphates and/or pyriphosphates from an alkali metal orthophosphate comprises acidifying said orthophosphate with sulphuric acid, and then either (a) heating the reaction mixture to produce the desired products, and recovering said products from the reaction mixture, or (b) separating an intermediate from the reaction mixture, and heating the intermediate to form a desired product. The products are suitable for incorporation into detergents and soap powders.

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Inventors:

GURIFUISU TOOMASU

Application Number:

JP998685A

Publication Date:

August 29, 1985

Filing Date:

January 24, 1985

Export Citation:

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Assignee:

GURIFUISU TOOMASU

International Classes:

C01B25/41; C01B25/42; C11D3/06; (IPC1-7): C01B25/41; C01B25/42

Attorney, Agent or Firm:

Hideto Asamura

Previous Patent: JPS60166208

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