Evaluation of Catalysts and Optimization of Reaction Conditions for the Dehydration of Methyl Lactate to Acrylates

张金锋; 林建平; 许晓波; 岑沛霖

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Evaluation of Catalysts and Optimization of Reaction Conditions for the Dehydration of Methyl Lactate to Acrylates

Updated：2026-01-06

- Evaluation of Catalysts and Optimization of Reaction Conditions for the Dehydration of Methyl Lactate to Acrylates
- Chinese Journal of Chemical Engineering Vol. 16, Issue 2, Pages: 263-269(2008)
- Affiliations：
  
  Institute of Bioengineering, College of Materials Science and Chemical Engineering, Zhejiang University, Hang-zhou,China,310027
- Author bio：
- Funds：
- DOI：
  CLC：
- Published：2008
- Accepted：
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ZHANG Jinfeng, LIN Jianping, XU Xiaobo, CEN Peilin. Evaluation of Catalysts and Optimization of Reaction Conditions for the Dehydration of Methyl Lactate to Acrylates[J]. , 2008, 16(2): 263-269.
DOI：

ZHANG Jinfeng, LIN Jianping, XU Xiaobo, CEN Peilin. Evaluation of Catalysts and Optimization of Reaction Conditions for the Dehydration of Methyl Lactate to Acrylates[J]. , 2008, 16(2): 263-269. DOI：

摘要

Abstract

The production of acrylates from biomass-originated lactic acid is of extraordinary importance

to overcome the increasing worldwide shortage of petroleum.In this study

the catalytic dehydration of methyl lactate over a calcium sulfate catalyst

with various promoters

has been carried out to identify potential catalyst/promoter com-binations for acrylate production.The best catalyst for methyl acrylate formation in this study has been calcium sulfate

with cupric sulfate and phosphates as promoters.The optimal mass ratio of

(CaSO

(CuSO

(Na

HPO

):m(KH

)is 150.0:13.8:2.5:1.2.Effects of carrier gas

reaction temperature

feed concentration as well as contact time on the dehydration of methyl lactate have been investigated.With nitrogen as a carrier gas

a combined yield of acrylic acid and methyl acrylate is 63.9% from 60%(by mass)methyl lactate at 400℃ with 7.7 seconds contact time.

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