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Catalysts 2017, 7(6), 170; doi:10.3390/catal7060170

Mechanocatalytic Production of Lactic Acid from Glucose by Ball Milling

1
Agro-Environmental Protection Institute, Chinese Academy of Agricultural Sciences, No. 31, Fukang Road, Nankai District, Tianjin 300191, China
2
College of Environmental Science and Engineering, Nankai University, No. 94, Weijin Road, Nankai District, Tianjin 300071, China
*
Author to whom correspondence should be addressed.
Academic Editor: Christophe Len
Received: 13 April 2017 / Revised: 9 May 2017 / Accepted: 23 May 2017 / Published: 1 June 2017
(This article belongs to the Special Issue Catalysis of Biomass-Derived Molecules)
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Abstract

A solvent-free process was developed for the direct production of lactic acid from glucose in a mechanocatalytic process in the presence of Ba(OH)2, and a moderate lactic acid yield of 35.6% was obtained. Glucose conversion and lactic acid formation were favorable at higher catalyst/glucose mass ratios. However, at relatively lower catalyst/glucose mass ratios, they were greatly inhibited, and the promotion of fructose formation was observed. The mechanocatalytic process was applicable for various carbohydrates such as C5 sugars, C6 sugars, and disaccharides with 20–36% lactic acid yields achieved. This work provides a new pathway for the production of value-added chemicals from biomass resources. View Full-Text
Keywords: biomass; mechanochemical; glucose; lactic acid; ball milling; Ba(OH)2 biomass; mechanochemical; glucose; lactic acid; ball milling; Ba(OH)2
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Li, L.; Yan, L.; Shen, F.; Qiu, M.; Qi, X. Mechanocatalytic Production of Lactic Acid from Glucose by Ball Milling. Catalysts 2017, 7, 170.

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