Search International and National Patent Collections

1. (WO2013159322) METHOD FOR PREPARING ACETIC ACID

Pub. No.:    WO/2013/159322    International Application No.:    PCT/CN2012/074802
Publication Date: Fri Nov 01 00:59:59 CET 2013 International Filing Date: Sat Apr 28 01:59:59 CEST 2012
IPC: C07C 51/16
C07C 53/08
Applicants: UNIVERSITY OF SCIENCE AND TECHNOLOGY OF CHINA
中国科学技术大学
FU, Yao
傅尧
LI, Jiang
李江
Inventors: FU, Yao
傅尧
LI, Jiang
李江
Title: METHOD FOR PREPARING ACETIC ACID
Abstract:
The present invention relates to a method for preparing acetic acid. The method comprises the oxidation reaction of levulic acid, wherein the raw materials containing levulic acid or derivatives thereof and an oxidant are reacted under the conditions capable of generating acetic acid, so as to obtain a crude product containing acetic acid. The raw material containing levulic acid or derivatives thereof can be obtained by acid hydrolysis of biomass-based carbohydrate. The present invention also relates to a method for preparing acetic acid directly from raw materials of biomass. The method comprises the steps of: acid hydrolyzing the raw materials of biomass to acid hydrolysates in the presence of an acid, and reacting the acid hydrolysates containing levulic acid with an oxidant under the conditions capable of generating acetic acid, so as to obtain the crude product containing acetic acid.