Partial wet oxidation of unsaturated carboxylic acids for the improvement in the cold flow properties of biodiesel fuel

Fangming Jin, Kohei Kawasaki, Atsushi Kishita, Kazuyuki Tohji, Heiji Enomoto

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

Abstract

In order to investigate hydrothermal oxidation of unsaturated carboxylic acids, oleic acid and linoleic acid were oxidized at 573K with an insufficient oxygen supply. On the basis of intermediate oxidation products identified by GC/MS and HPLC analyses and the free-radical reaction mechanism, the hydrothermal oxidation pathways of unsaturated carboxylic acids are discussed. The rupture at carbon-carbon double bond by the addition of a peroxide radical to the double bond may be a major mechanism. The mechanism may also lead to the rupture of carbon-carbon bond at the single bond near to the double bond. Subsequently, the oxidation of the formed saturated mono- and di-carboxylic acids and aldehydes proceeded with the consecutive oxidation of higher to lower molecular weight carboxylic acids. If these substances converted to low molecular weight esters in a manufacturing process of biodiesel fuel(BDF), produced BDF was expected that the depression of cloud point and the improvement of other cold flow properties.

Original languageEnglish
Title of host publication234th ACS National Meeting, Abstracts of Scientific Papers
Publication statusPublished - 2007 Dec 31
Event234th ACS National Meeting - Boston, MA, United States
Duration: 2007 Aug 192007 Aug 23

Publication series

NameACS National Meeting Book of Abstracts
ISSN (Print)0065-7727

Other

Other234th ACS National Meeting
CountryUnited States
CityBoston, MA
Period07/8/1907/8/23

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)

Fingerprint Dive into the research topics of 'Partial wet oxidation of unsaturated carboxylic acids for the improvement in the cold flow properties of biodiesel fuel'. Together they form a unique fingerprint.

  • Cite this

    Jin, F., Kawasaki, K., Kishita, A., Tohji, K., & Enomoto, H. (2007). Partial wet oxidation of unsaturated carboxylic acids for the improvement in the cold flow properties of biodiesel fuel. In 234th ACS National Meeting, Abstracts of Scientific Papers (ACS National Meeting Book of Abstracts).