Process optimization study on the carbonylation of methyl acetate

Baohe Wang; Baomin Ge; Jing Zhu; Lina Wang

doi:10.1016/j.cjche.2018.01.024

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Process optimization study on the carbonylation of methyl acetate

Catalysis, Kinetics and Reaction Engineering | Updated：2026-01-06

- Process optimization study on the carbonylation of methyl acetate
- Chinese Journal of Chemical Engineering Vol. 26, Issue 9, Pages: 1937-1942(2018)
- Affiliations：
  
  Key Laboratory for Green Chemical Technology of Ministry of Education, Research and Development Center of Petrochemical Technology, Tianjin University,Tianjin,China,300072
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2018.01.024
  CLC：
- Published：2018
- Accepted：
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Baohe Wang, Baomin Ge, Jing Zhu, Lina Wang. Process optimization study on the carbonylation of methyl acetate[J]. Chin.J.Chem.Eng., 2018, 26(9): 1937-1942.
DOI：

Baohe Wang, Baomin Ge, Jing Zhu, Lina Wang. Process optimization study on the carbonylation of methyl acetate[J]. Chin.J.Chem.Eng., 2018, 26(9): 1937-1942. DOI： 10.1016/j.cjche.2018.01.024.

摘要

Abstract

Acetic anhydride is the important organic chemical raw material

and is used widely in chemical industry

pharmaceutical industry

dyes

spices and other fields. In this paper

the process of carbonylation of methyl acetate in rhodium iodine catalyst system was studied

and the suitable reaction conditions were determined. At the same time

the kinetic model was established. The optimum reaction conditions were as follows:the reaction pressure was 5 MPa

the hydrogen content was 8%

the amount of iodomethane was 15%

the amount of lithium iodide was 3%

the reaction temperature was 150℃ and the reaction time is 3 h. Under the above reaction conditions

the selectivity of the reaction is close to 100% and the conversion is as high as 92%. The macroscopic kinetic model of the reaction was established in the temperature range of 120℃-150℃. The reaction is an irreversible reaction without the formation of by-products and the dynamic equation is also given in the Conclusions section.

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