Title: Method for producing phosphate coproducing ammonium salt by metathesis
Application Number: 93120789 Application Date: 1993.12.08
Publication Number: 1104998 Publication Date: 1995.07.12
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: C01B25/30,C01B25/38,C01C1/02,C01C1/16
Applicant(s) Name: Wang Changzhi, Wang Changzhi Address: 830009
Inventor(s) Name: Wang Changzhi
Attorney & Agent:
Abstract:
     By this metathesis process, sodium tripolyphosphate, sodium hexametaphosphate, sodium pyrophosphate, trisodium phosphate, potassium tripolyphosphate, potassium hexametaphosphate, tripotassium phosphate, potassium pyrophosphate, calcium hydrogen phosphate, magnesium dihydrogen phosphate and ammonia water or ammonium salt as by-product may be produced with diammonium hydrogen phosphate or ammonium dihydrogen phosphat as main raw material, sodium chloride, potassium chloride, calcium oxide and magnesium oxide. Its advantages include stable quality, safe production and low cost.
Time: 5
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