Process safety assessment of semibatch nitration of naphthalene with mixed acid to 1-nitronaphthalene

Jun Liang, Lei Ni, Peihong Wu, Hang Yao, Qiang Chen, Gang Fu, Juncheng Jiang

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

In this study, different calorimetric and analytical techniques were used to evaluate the thermal behavior of the preparation of 1-nitronaphthalene through the nitration of naphthalene with mixed acid. Differential scanning calorimetry and adiabatic calorimetry revealed that 1-nitronaphthalene lacks thermal decomposition characteristics. The results of reaction calorimetry, high-performance liquid chromatography, and the density function theory method were combined to analyze the reaction mechanism. An expanded Stoessel criticality diagram was developed to evaluate the process safety of the semibatch nitration reaction. The results revealed a higher degree of risk than that obtained when using the traditional Stoessel criticality diagram. Kinetics parameters of the reaction were investigated.

Original languageEnglish
Article numbere17679
JournalAIChE Journal
Volume68
Issue number7
DOIs
StatePublished - Jul 2022

Keywords

  • expanded Stoessel criticality diagram
  • kinetics study
  • nitration reactions
  • process safety assessment
  • thermal behavior

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