Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 96: Issue 3
Runaway effects of nitric acid on methyl ethyl ketone peroxide by TAM III tests
Authors:
J.-M. Tseng Central Taiwan University of Science and Technology Department of Safety, Health and Environmental Engineering 666, Buzih Road, Beitun District Taichung Taiwan 40601 ROC

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M.-Y. Liu Chien-Kuo Technology University Department of General Education 1, Chieh-Shou N. Road Changhua Taiwan 50094 ROC

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S.-L. Chen National Kinmen Institute of Technology Department of Construction Engineering 1, University Road Jinning, Kinmen Taiwan 89250 ROC

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W.-T. Hwang Kao-Yuan University Department of Information Management 1821, Jhongshan Road Lujhu, Kaohsiung Taiwan 82151 ROC

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J.-P. Gupta Indian Institute of Technology Department of Chemical Engineering Kanpur 208016 UP India

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C.-M. Shu National Yunlin University of Science and Technology Department of Safety, Health and Environmental Engineering 123, University Road, Sec. 3, Douliou Yunlin Taiwan 64002 ROC

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Pages:
789–793
Online Publication Date:
19 Jun 2009
Publication Date:
01 Jun 2009
Article Category:
Research Article
DOI:
https://doi.org/10.1007/s10973-009-0029-0
Keywords:
Methyl ethyl ketone peroxide (MEKPO); Nitric acid; Runaway reactions; Thermal activity monitor III (TAM III); Time to maximum rate (TMR)
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Abstract  

Methyl ethyl ketone peroxide (MEKPO) is an unstable material above certain limits of temperature, decomposing into chain reactions by radicals. The influence of runaway reactions on this basic characteristic was assessed by evaluating kinetic parameters, such as activation energy (Ea), frequency factor (A), etc., by thermal activity monitor III (TAM III). This was done under three isothermal conditions of 70, 80, and 90 °C, with MEKPO 31 mass% combined with nitric acid (HNO3 6 N) and sodium nitrate (NaNO3 6 N). Nitric acid mixed with MEKPO gave the maximum heat of reaction (△Hd) and also induced serious reactions in the initial stage of exothermic process under the three isothermal temperatures. The time to maximum rate (TMR) also decreased when HNO3 was mixed with MEKPO. Thus, MEKPO combined with HNO3 6 N forms a very hazardous mixture. Results of this study will be provided to relevant plants for alerting their staff on adopting best practices in emergency response or accident control.

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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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