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Energies 2015, 8(3), 2165-2175; doi:10.3390/en8032165

The Impact of a Mild Sub-Critical Hydrothermal Carbonization Pretreatment on Umbila Wood. A Mass and Energy Balance Perspective

1
Department of Chemical Engineering, Faculty of Engineering, UEM—University Eduardo Mondlane, Av. de Moçambique Km 1.5, P.O. Box 257, Maputo 1100, Mozambique
2
Division of Energy and Furnace Technology, Department of Materials Science and Engineering, KTH-Royal Institute of Technology, Brinellvägen 23, S-100 44 Stockholm, Sweden
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Academic Editor: Thomas E. Amidon
Received: 8 October 2014 / Revised: 24 December 2014 / Accepted: 3 March 2015 / Published: 19 March 2015
(This article belongs to the Special Issue Bioenergy and Biorefining)
View Full-Text   |   Download PDF [419 KB, uploaded 19 March 2015]   |  

Abstract

Over the last years, the pretreatment of biomass as a source of energy has become one of the most important steps of biomass conversion. In this work the effect of a mild subcritical hydrothermal carbonization of a tropical woody biomass was studied. Results indicate considerable change in carbon content from 52.78% to 65.1%, reduction of oxygen content from 41.14% to 28.72% and ash slagging and fouling potential. Even though decarboxylation, decarbonylation and dehydration reactions take place, dehydration is the one that prevails. The mass and energy balance was affected by the treatment conditions than the severity of the treatment. View Full-Text
Keywords: hydrothermal carbonisation; pre-treatment; biomass; solid bio fuels hydrothermal carbonisation; pre-treatment; biomass; solid bio fuels
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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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MDPI and ACS Style

Cuvilas, C.A.; Kantarelis, E.; Yang, W. The Impact of a Mild Sub-Critical Hydrothermal Carbonization Pretreatment on Umbila Wood. A Mass and Energy Balance Perspective. Energies 2015, 8, 2165-2175.

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