Study on the stability of nitroglycerine spent acid |
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| Authors: | Kai-Tai Lu Peng-Chu Lin |
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| Institution: | 1. Key Laboratory for Green Chemical Technology of State Education Ministry, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, PR China;2. National Engineering Research Center for Distillation Technology, Tianjin 300072, PR China;3. Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, PR China;1. Department of Chemistry and Biochemistry, New Mexico State University, Las Cruces, NM 88003,USA;2. Department of Chemistry, Queen’s University, Kingston, ON K7L 3N6, Canada;1. Institute of Petroleum Engineering (IPE), School of Chemical Engineering, College of Engineering, University of Tehran, Tehran, Iran;2. Department of Petroleum Engineering, Islamic Azad University, Science and Research Branch, Tehran, Iran;3. Department of Petroleum Engineering, Petroleum University of Technology (PUT), Ahwaz, Iran;1. LETIAM, EA7357, IUT Orsay, Université Paris Saclay, rue Noetzlin, 91405 Orsay, France;2. Laboratoire SMS-EA3233, Université de Rouen Normandie, F76821, Mont Saint Aignan, France;3. Faculté de Pharmacie, Université Paris Descartes, 4 avenue de l''observatoire, 75006 Paris, France;1. Department of the Key Laboratory of Applied Surface and Colloid Chemistry, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi’an, Shaanxi 710062, China;2. College of Environmental and Chemical Engineering, Xi’an Polytechnic University, Xi’an 710048, China;3. Textiles and Materials College, Xi’an Polytechnic University, Xi’an 710048, China |
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| Abstract: | Nitroglycerine has been widely used as an ingredient of explosives and propellants for a long time. It is produced by the glycerine nitration reaction. Many explosions have occurred during handling or storing spent acid after separating nitroglycerine from the reactor in nitroglycerine factories. Safety charts have been constructed by various authors in order to cope with these hazards. In this investigation we construct enthalpy diagrams that correspond with the safety charts produced by earlier researchers. These can be used to evaluate the variation of heat and the safety composition during the handling of spent acid. Furthermore, this study uses practical operating conditions at nitroglycerine factories to evaluate the stability of spent acids in storage. |
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