|Table of Contents|

Investigation on the decomposition process of hydroxyl ammonium nitrate solution by thermal analysis(PDF)

《火箭推进》[ISSN:1672-9374/CN:CN 61-1436/V]

Issue:
2020年05期
Page:
66-72
Research Field:
研究与设计
Publishing date:

Info

Title:
Investigation on the decomposition process of hydroxyl ammonium nitrate solution by thermal analysis
Author(s):
SHEN Lianhua; XIANG Kai; BAO Shiguo; JIANG Rongpei; SUN Haiyun; FANG Tao
(Beijing Key Laboratory of Research and Application for Aerospace Green Propellant, Beijing Institute of Aerospace Testing Technology,Beijing 100074,China)
Keywords:
hydroxyl ammonium nitrate;  thermal decomposition;  catalytic;  kinetics
PACS:
V312
DOI:
-
Abstract:
In order to study the decomposition performance of hydroxyl ammonium nitrate,the thermal decomposition and catalytic decomposition of the hydroxyl ammonium nitrate(HAN)solution were investigated by using the TG-DSC technology.The decomposition kinetic of HAN solution was researched by testing at different heating rate and the major gas phase products were measured by MS and FTIR.The results showed that the peak temperature of catalytic decomposition and thermal decomposition were 109.8 ℃ and 155.6 ℃ respectively.The peak temperature of catalytic decomposition was decreased by 45.8 ℃ compared to the peak temperature of thermal decomposition.The activation energy of the thermal decomposition and catalytic decomposition were 110.6 kJ/mol and 87.8 kJ/mol respectively by Kissinger and Fly-Wall-Ozawa equation.The addition of catalyst could reduce decomposition activation energy of HAN-water solution and make the decomposition temperature reduced.The major gas phase products were NO, N2 and N2O.A possible mechanism of catalytic decomposition was proposed.

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Last Update: 2020-10-20