An influence of the inert gas on the operation and design of a multi-tubular reactor

Sang Eon Han, Jaehoon Choe, Kwang Ho Song, In Won Kim

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The heat transfer effect of carbon dioxide inert gas on a multi-tubular reactor was investigated on three partial oxidation systems such as the partial oxidation of butane to maleic anhydride, o-xylene to phthalic anhydride and propylene to acrolein using a numerical simulation. The heat removal capacity of carbon dioxide inert gas was larger than that of nitrogen resulting in higher conversions when operating the multi-tubular reactor. While the multi-tubular reactor is designed for o-xylene partial oxidation using a carbon dioxide inert gas, the diameter of the reaction tube can be increased up to 1.8 times comparing with that of the reaction tube using a nitrogen inert gas due to efficient heat transfer, which shows 3.2 times productivity gains. The phase diagrams of inlet and coolant temperatures also show that the workable or safe ranges of reactant inlet and coolant temperatures are larger with a carbon dioxide gas.

Original languageEnglish
Pages (from-to)301-305
Number of pages5
JournalJournal of Industrial and Engineering Chemistry
Volume9
Issue number3
Publication statusPublished - 2003 Dec 1
Externally publishedYes

Fingerprint

Noble Gases
Inert gases
Carbon Dioxide
Carbon dioxide
Xylene
Coolants
Oxidation
Nitrogen
Maleic Anhydrides
Heat transfer
Acrolein
Butane
Maleic anhydride
Propylene
Phase diagrams
Gases
Productivity
Temperature
Computer simulation
2-xylene

Keywords

  • Heat transfer
  • Inert gas
  • Multi-tubular reactor
  • Partial oxidation reaction

ASJC Scopus subject areas

  • Chemical Engineering(all)

Cite this

An influence of the inert gas on the operation and design of a multi-tubular reactor. / Han, Sang Eon; Choe, Jaehoon; Song, Kwang Ho; Kim, In Won.

In: Journal of Industrial and Engineering Chemistry, Vol. 9, No. 3, 01.12.2003, p. 301-305.

Research output: Contribution to journalArticle

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