Selective production of formic acid by hydrothermal alkaline oxidation of carbohydrates

J. Yun, G. Li, H. Enomoto, Fangming Jin

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Citations (Scopus)

Abstract

Formic acid is a familiar product in hydrothermal oxidation of carbohydrates and is an important organic compound. In this study, the production of formic acid from the hydrothermal oxidation of glucose with and without the addition of alkali was investigated with temperature varying from 250 to 300°C, reaction time varying from 30 s to 240 s, and oxygen supply varying from 60 % to 140 %. Results showed that the highest yield of formic acid was only about 24 % in hydrothermal oxidation of glucose without the addition of alkali. It is very interest that the oxidation of glucose with the addition of alkali showed a high selective and effective for the production of formic acid. An excellent formic acid yield of about 74 % was achieved, which occurred at 250°C for 60 s with 120 % oxygen supply and the KOH concentration of 1.25 M.

Original languageEnglish
Title of host publicationWATER DYANMICS
Subtitle of host publication4th International Workshop on Water Dynamics
Pages143-146
Number of pages4
DOIs
Publication statusPublished - 2007 May 11
Event4th International Workshop on Water Dynamics - Sendai, Japan
Duration: 2006 Nov 72006 Nov 8

Publication series

NameAIP Conference Proceedings
Volume898
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Other

Other4th International Workshop on Water Dynamics
CountryJapan
CitySendai
Period06/11/706/11/8

Keywords

  • Alkaline
  • Biomass
  • Carbohydrates
  • Formic acid
  • Hydrothermal reaction

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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