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Issue 1, 2016
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Hydrolysis of woody biomass by a biomass-derived reusable heterogeneous catalyst

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Abstract

Biomass is the sole carbon-based renewable resource for sustaining the chemical and fuel demands of our future. Lignocellulose, the primary constituent of terrestrial plants, is the most abundant non-food biomass, and its utilisation is a grand challenge in biorefineries. Here we report the first reusable and cost-effective heterogeneous catalyst for the depolymerisation of lignocellulose. Air oxidation of woody biomass (Eucalyptus) provides a carbonaceous material bearing an aromatic skeleton with carboxylic groups (2.1 mmol gāˆ’1) and aliphatic moieties. This catalyst hydrolyses woody biomass (Eucalyptus) to sugars in high yields within 1 h in trace HCl aq. Furthermore, after the reaction, the solid residue composed of the catalyst and insoluble ingredients of woody biomass is easily transformed back to fresh catalyst by the same air oxidation method. This is a self-contained system using woody biomass as both the catalyst source and substrate for realising facile catalyst preparation and recycling.

Graphical abstract: Hydrolysis of woody biomass by a biomass-derived reusable heterogeneous catalyst

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Supplementary files

Article information


Submitted
08 Sep 2015
Accepted
14 Oct 2015
First published
15 Oct 2015

This article is Open Access
All publication charges for this article have been paid for by the Royal Society of Chemistry

Chem. Sci., 2016,7, 692-696
Article type
Edge Article

Hydrolysis of woody biomass by a biomass-derived reusable heterogeneous catalyst

H. Kobayashi, H. Kaiki, A. Shrotri, K. Techikawara and A. Fukuoka, Chem. Sci., 2016, 7, 692
DOI: 10.1039/C5SC03377B

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