Title: Method for producing mixed fertilizer of potassium ammonium sulfate
Application Number: 94110996 Application Date: 1994.05.17
Publication Number: 1098079 Publication Date: 1995.02.01
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: C05C3/00,C05D1/02
Applicant(s) Name: Changsha Inst. of Chemical Mine Design, Ministry o Address: 410117
Inventor(s) Name: Li Qixin
Attorney & Agent: WANG QIXIA
Abstract:
     The process for producing fertilizer of potassium ammonium sulfate with potassium chloride and sulfuric acid includes putting potassium bisulfate and ammonia or ammonium bicarbonate or ammonium carbonate into ammoniation tank containing saturated mother liquid of potassium ammonium sulfate for ammoniation, and centrifugal separation to obtain binary mixed fertilizer. The recovery of potassium in raw material reaches 100%. It may be mixed with P and N fertilizers to obtain ternary mixed fertilizer.
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