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Microwave-assisted Esterification of Tall Oil Fatty Acids with Methanol Using Lignin-based Solid Catalyst

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Kumar, H., & Alén, R. (2016). Microwave-assisted Esterification of Tall Oil Fatty Acids with Methanol Using Lignin-based Solid Catalyst. Energy and Fuels, 30(11), 9451-9455. https://doi.org/10.1021/acs.energyfuels.6b01718
Published in
Energy and Fuels
Authors
Kumar, Hemanathan |
Alén, Raimo
Date
2016
Discipline
Soveltava kemiaApplied Chemistry
Copyright
© 2016 American Chemical Society. This is a final draft version of an article whose final and definitive form has been published by ACS. Published in this repository with the kind permission of the publisher.

 
During alkaline pulping significant amounts of lignin, carbohydrates (mostly hemicelluloses), and extractives (tall oil soap and turpentine) are removed from wood feedstock. In this study, the catalytic esterification of fatty acids in tall oil with methanol to produce fatty acid methyl esters under microwave irradiation was performed at 100 °C for 10–60 min. A novel heterogeneous acid catalyst tested for this purpose was synthesized from the hardwood alkali lignin that was precipitated by acidification from the black liquor from soda-AQ pulping. The comparative reaction data were obtained by using other solid catalysts, Amberlyst 15, and p-toluenesulfonic acid. The results showed the highest esterification yields of 93, 88, and 80% with the p-toluenesulfonic acid, lignin-based, and Amberlyst 15 catalysts, respectively, at 100 °C with a reaction time of 60 min, and the corresponding yield without catalyst was 20%. It was also observed that the lignin-based catalyst could be easily recovered and reused without any notable deactivation. ...
Publisher
American Chemical Society
ISSN Search the Publication Forum
0887-0624
Keywords
esterification solid catalysts mikroaallot rasvahapot metanoli
DOI
https://doi.org/10.1021/acs.energyfuels.6b01718
URI

http://urn.fi/URN:NBN:fi:jyu-201611184663

Publication in research information system

https://converis.jyu.fi/converis/portal/detail/Publication/26264400

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