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Lookup NU author(s): Professor Mike Green
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In an endeavour to understand the hydrogenolysis pathway of glycerol to lower alcohols over Ni on Al2O3 and SiO2 catalysts, the role of the intermediates (1,2-propanediol (1,2-PDO), 1,3-propanediol (1,3-PDO), ethylene glycol (EG) and ethanol) was investigated. Under the reaction conditions employed in this study, it was clear that the hydrogenolysis of the C-C and C-O bonds of glycerol takes place to a lesser extent as compared to dehydrogenation and dehydration which are seen as the dominating initial steps. Ethanol was produced in high selectivities (similar to 67%) with 1,2-propanediol as feed and 1-propanol (1-PO, similar to 80%) was the main product obtained when 1,3-propanediol was used as feed. Ethylene glycol gave methanol and methane as products, whereas ethanol gave methane and CO2 as major products.
Author(s): van Ryneveld E, Mahomed AS, van Heerden PS, Green MJ, Holzapfel C, Friedrich HB
Publication type: Article
Publication status: Published
Journal: Catalysis Science & Technology
Year: 2014
Volume: 4
Issue: 3
Pages: 832-837
Print publication date: 06/01/2014
ISSN (print): 2044-4753
ISSN (electronic): 2044-4761
Publisher: RSC Publications
URL: http://dx.doi.org/10.1039/c3cy00649b
DOI: 10.1039/c3cy00649b
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