Formation of lactic acid from cellulosic biomass by alkaline hydrothermal reaction

X. Yan, F. Jini, A. Kishita, H. Enomoto, K. Tohji

研究成果: Conference contribution

3 被引用数 (Scopus)

抄録

Glucose, as a model compound of cellulosic biomass, was used as a test material. Ca(OH)2 and NaOH were selected as alkali. Results showed that both NaOH and Ca(OH)2, can promote the formation of lactic acid in a hydrothermal reaction of glucose. In the case of the addition of NaOH, lactic acid was obtained with a good yield of 27% based on a carbon base at 300°C for 60 s with a NaOH concentration of 2.5 M. In the case of the addition of Ca(OH)2, the highest yield of lactic acid is 20%, which occurred at 300°C for 60 s with a Ca(OH)2 concentration of 0.32 M. The formation mechanisms of lactic acid from glucose were also discussed according to intermediate products identified. Lactic acid may be generated via formaldehyde, glycolaldehyde besides via the aldose having three carbon atoms in hydrothermal reaction which all formed by the reverse aldol condensation of hexoses.

本文言語English
ホスト出版物のタイトルWater Dynamics - 5th International Workshop on Water Dynamics
ページ50-53
ページ数4
DOI
出版ステータスPublished - 2008 3月 17
イベント5th International Workshop on Water Dynamics - Sendai, Japan
継続期間: 2007 9月 252007 9月 27

出版物シリーズ

名前AIP Conference Proceedings
987
ISSN(印刷版)0094-243X
ISSN(電子版)1551-7616

Other

Other5th International Workshop on Water Dynamics
国/地域Japan
CitySendai
Period07/9/2507/9/27

ASJC Scopus subject areas

  • 物理学および天文学(全般)

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