Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 80: Issue 2
Thermal hazard analysis of hydrazine and nitric acid mixtures
Authors:
A. Miyake Department of Safety Engineering, Yokohama National University Hodogaya-ku, Yokohama 240-8501, Japan

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A. Kimura Department of Safety Engineering, Yokohama National University Hodogaya-ku, Yokohama 240-8501, Japan

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T. Ogawa Department of Safety Engineering, Yokohama National University Hodogaya-ku, Yokohama 240-8501, Japan

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Y. Satoh Tokai Reprocessing Center, Tokai Works, Japan Nuclear Cycle Development Institute, Muramatsu Tokai, Ibaraki 319-1184, Japan

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M. Inano Tokai Reprocessing Center, Tokai Works, Japan Nuclear Cycle Development Institute, Muramatsu Tokai, Ibaraki 319-1184, Japan

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Pages:
515–518
Online Publication Date:
03 May 2005
Publication Date:
01 May 2005
Article Category:
Research Article
DOI:
https://doi.org/10.1007/s10973-005-0686-6
Keywords:
DSC; hydrazine; mixing hazard; nitric acid; super-CRC
Restricted access

Summary In order to obtain a better understanding of the thermal hazard of hydrazine and nitric acid mixtures which are used in PUREX (Plutonium and Uranium Recovery by Extraction) process during recycling of spent fuel in nuclear plant, DSC and small scale reaction calorimetry super-CRC were carried out for the mixtures in various conditions. From the DSC analysis the apparent activation energy of hydrazine monohydrate in SUS 303 crucible was determined to be 96 kJ mol-1. The mixing hazard of hydrazine monohydrate with nitric acid was measured with super-CRC and the results suggested that the concentration and the mass of nitric acid had a strong influence on the mixing heat of reaction of the system.

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Cover Journal of Thermal Analysis and Calorimetry
Journal of Thermal Analysis and Calorimetry
Print ISSN:
1388-6150
Online ISSN:
1572-8943

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation		 1969
Volumes
per Year		 1
Issues
per Year		 24
Founder Akadémiai Kiadó
Founder's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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