Title: Sodium tripolyphosphate producing method with associated ammonia water product
Application Number: 94103076 Application Date: 1994.03.18
Publication Number: 1132721 Publication Date: 1996.10.08
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: C01B25/30,C01C1/00
Applicant(s) Name: Wang Changzhi Address:
Inventor(s) Name:
Attorney & Agent:
Abstract:
     Ammonium phosphate, or mono-ammonium phosphate, or diammonium hydrogen phosphate reacts with sodium hydroxide and phosphoric acid to prepare pentasodium tripolyphosphate by high-temp polymerization and the ammonia gas decomposed from said reaction is absorbed by water to obtain ammonia water, or reacts with different acids to obtain various ammonium salts.
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