Title: Long-acting ammonium nitrate and method for preparation thereof
Application Number: 97111891 Application Date: 1997.07.03
Publication Number: 1204633 Publication Date: 1999.01.13
Approval Pub. Date: Granted Pub. Date: 2002.08.07
International Classifi-cation: C05C1/00,C05G3/08
Applicant(s) Name: Shenyang Applied Ecology Inst., Chinese Academy of Address: 110015
Inventor(s) Name: Li Ronghua, Liu Zijiang
Attorney & Agent: wang huimin
Abstract:
     A long-acting ammonium nitrate in the form of eutectics is prepared through such steps as dissolving dicyandiamide in water or ammonia water, pumping it into reactor for synthesizing ammonium nitrate, fully mixing with reaction solution in reactor, concentration, cocrystallizing dicyandiamide and ammonium nitrate, dewateing and drying, and features durable fertility, high utilization rate of N (increased by 5-8%), less gas exhausted as green-house effect, and high yield of crops.
Time: 4
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