Synthesis of N-Butyl Acetate by Continuous Catalytic Distillation with Ionic Liquid [Hnmp]HSO4

Jiang Quan Ma; Xiao Bing Gan; Ke Nian Wei; Zhi Quan Hu

doi:10.4028/www.scientific.net/AMR.468-471.1243

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 468-471Synthesis of N-Butyl Acetate by Continuous...

Synthesis of N-Butyl Acetate by Continuous Catalytic Distillation with Ionic Liquid [Hnmp]HSO₄

Abstract:

N-methyl pyrrolidonium hydrosulfate ([Hnmp]HSO₄) was synthesized and characterized. N-butyl acetate was synthesized from acetic acid and n-butanol with [Hnmp]HSO₄ as catalyst in a catalytic rectification column 30 mm in diameter and 2.5 m in height. Effects of catalyst dosage, bottom temperature, feeding ratio of acetic acid to n-butanol, feeding method and reflux ratio on esterification and rectification were investigated. Under optimal condition which taking both energy cost and product quality into account: catalyst dosage was 0.5% of feed weight, bottom temperature was 120 °C, mole ratio of acetic acid to butanol was 1:1.2, acetic acid and butanol were mixed and fed above second section of packing, feeding rate was 150 mL/h and reflux ratio was 4, mass fraction of n-butyl acetate in bottom could reach 92.49 %.

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Periodical:

Advanced Materials Research (Volumes 468-471)

Pages:

1243-1246

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.468-471.1243

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Online since:

February 2012

Authors:

Jiang Quan Ma, Xiao Bing Gan, Ke Nian Wei, Zhi Quan Hu

Keywords:

Catalysis, Ionic Liquid (IL), N-Butyl Acetate, Reactive Distillation

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References

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