An acidic two-step hydrothermal process to enhance acetic acid production from carbohydrate biomass

Yan Fang, Xu Zeng, Peng Yan, Zhenzi Jing, Fangming Jin

研究成果: Article査読

16 被引用数 (Scopus)

抄録

An acidic two-step hydrothermal process to improve acetic acid production was investigated. In the first-step reaction, levulinic acid is formed in the presence of an acid catalyst. In the second-step reaction, the levulinic acid is converted into acetic acid via oxidation with newly supplied oxygen. The acetic acid yield from this two-step process was much higher than that without the acid catalysts in the first step. The acetic acid yield reached 23% with a purity of 47% from glucose and 26% with a purity of 52% from fructose. These yields were achieved at a reaction temperature of 523 K, a reaction time of 300 s, and pH 0.5 with HCl as an acid catalyst for the first step and at a reaction temperature of 523 K, a reaction time of 60 s, and an oxygen supply of 100% for the second step.

本文言語English
ページ(範囲)4759-4763
ページ数5
ジャーナルIndustrial and Engineering Chemistry Research
51
12
DOI
出版ステータスPublished - 2012 3 28

ASJC Scopus subject areas

  • 化学 (全般)
  • 化学工学(全般)
  • 産業および生産工学

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