Thermal Runaway Risk of Semibatch Processes: Esterification Reaction with Autocatalytic Behavior

Lei Ni, Juncheng Jiang, M. Sam Mannan, Ahmed Mebarki, Mingguang Zhang, Xuhai Pan, Yong Pan

Research output: Contribution to journalArticlepeer-review

25 Scopus citations

Abstract

The present paper deals with thermal runaway risk of esterification reaction in semibatch reactor. It identifies thermal runaway conditions for the esterification of 2-butanol (2B) and propionic anhydride (PA) with sulfuric acid (SA). The autocatalytic kinetic model of esterification of 2B and PA with SA was obtained by the experiments. A new boundary diagram was proposed for the autocatalytic parallel reactions. Then, the combined boundary diagram considering the target temperature and maximum allowable temperature was used to define the critical conditions for the thermal runaway. The conditional probability of thermal runaway for esterification of 2B and PA with SA was calculated by Monte Carlo simulations.

Original languageEnglish
Pages (from-to)1534-1542
Number of pages9
JournalIndustrial and Engineering Chemistry Research
Volume56
Issue number6
DOIs
StatePublished - 15 Feb 2017

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