Thermal decomposition characteristics of expired single-based propellant using a lab-scale tube furnace and a thermo-gravimetric analysis reactor

Sang Shin Park, In Sik Hwang, Myung Soo Kang, Hyo Jae Jeong, Jungho Hwang

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

The Republic of Korea has a plan to construct an incineration facility for expired propellant from munitions including 155, 105 mm, and 8 in. howitzer shells. It is important to understand thermal characteristics of the propellant before designing the incineration facility. In this study, the ingredients of a propellant sample were analyzed using liquid chromatography–mass spectrometry, and the temporal mass loss of the sample was measured using thermo-gravimetric analysis in an argon atmosphere up to a temperature of 350 °C at different heating rates of 10, 20, and 30 °C min−1. The mass of the sample started decreasing at a temperature of about 180 °C and was fully decomposed when the temperature reached about 210 °C. Using a first-order model to describe the reaction kinetics, we obtained a pre-exponential factor of 2.09 × 1039 min−1 and an activation energy of 335.77 kJ mol−1 for the sample. In order to understand product gas compositions, another thermal decomposition experiment was carried out using a lab-scale tube furnace under an argon atmosphere up to a temperature of 350 °C. Gas compositions were analyzed using gas chromatography and gas detecting tubes. Residual ash compounds were analyzed using X-ray fluorescence.

Original languageEnglish
Pages (from-to)657-665
Number of pages9
JournalJournal of Thermal Analysis and Calorimetry
Volume124
Issue number2
DOIs
Publication statusPublished - 2016 May 1

Fingerprint

propellants
Propellants
thermal decomposition
furnaces
Thermogravimetric analysis
Furnaces
Pyrolysis
reactors
tubes
incinerators
Incineration
Argon
Gases
gas composition
Ashes
argon
South Korea
atmospheres
Temperature
temperature

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Physical and Theoretical Chemistry

Cite this

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abstract = "The Republic of Korea has a plan to construct an incineration facility for expired propellant from munitions including 155, 105 mm, and 8 in. howitzer shells. It is important to understand thermal characteristics of the propellant before designing the incineration facility. In this study, the ingredients of a propellant sample were analyzed using liquid chromatography–mass spectrometry, and the temporal mass loss of the sample was measured using thermo-gravimetric analysis in an argon atmosphere up to a temperature of 350 °C at different heating rates of 10, 20, and 30 °C min−1. The mass of the sample started decreasing at a temperature of about 180 °C and was fully decomposed when the temperature reached about 210 °C. Using a first-order model to describe the reaction kinetics, we obtained a pre-exponential factor of 2.09 × 1039 min−1 and an activation energy of 335.77 kJ mol−1 for the sample. In order to understand product gas compositions, another thermal decomposition experiment was carried out using a lab-scale tube furnace under an argon atmosphere up to a temperature of 350 °C. Gas compositions were analyzed using gas chromatography and gas detecting tubes. Residual ash compounds were analyzed using X-ray fluorescence.",
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Thermal decomposition characteristics of expired single-based propellant using a lab-scale tube furnace and a thermo-gravimetric analysis reactor. / Park, Sang Shin; Hwang, In Sik; Kang, Myung Soo; Jeong, Hyo Jae; Hwang, Jungho.

In: Journal of Thermal Analysis and Calorimetry, Vol. 124, No. 2, 01.05.2016, p. 657-665.

Research output: Contribution to journalArticle

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AU - Hwang, Jungho

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