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Catalysts 2017, 7(10), 308; doi:10.3390/catal7100308

Alcohol Dehydrogenation on Kraft Lignin-Derived Chars with Surface Basicity

1
Departamento de Ingeniería Química, Campus de Teatinos s/n, Universidad de Málaga, Andalucía Tech, 29010 Málaga, Spain
2
Laboratoire de Génie des Procédés et Chimie des Solutions, Université de Mustapha Stambouli de Mascara, Bp 763, Mascara 29000, Algeria
*
Authors to whom correspondence should be addressed.
Received: 27 September 2017 / Revised: 13 October 2017 / Accepted: 15 October 2017 / Published: 19 October 2017
(This article belongs to the Special Issue Catalytic Sustainable Processes in Biorefineries)
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Abstract

The properties of lignin and its potential as a renewable source make it an ideal precursor for carbon products. Specifically, the high content of Na observed in Kraft lignin makes this industrial by-product an interesting precursor for the preparation of catalysts for different applications. In this work, basic activated carbons with different textural properties and surface chemistry were obtained from Kraft lignin by direct carbonization at various temperatures. The influence of a further washing treatment and partial gasification with CO2 was also evaluated. The carbon catalysts were tested as catalysts for the alcohol decomposition reaction. In this sense, 2-propanol, a molecule widely used for testing the acidic-basic character of heterogeneous catalysts, was selectively transformed into acetone, meanwhile, ethanol and methanol yielded mainly acetaldehyde and formaldehyde, respectively. View Full-Text
Keywords: alcohol dehydrogenation; biomass; lignin; bio-char; CO2 gasification; activated carbon; sodium alcohol dehydrogenation; biomass; lignin; bio-char; CO2 gasification; activated carbon; sodium
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García-Mateos, F.J.; Moulefera, I.; Rosas, J.M.; Benyoucef, A.; Rodríguez-Mirasol, J.; Cordero, T. Alcohol Dehydrogenation on Kraft Lignin-Derived Chars with Surface Basicity. Catalysts 2017, 7, 308.

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