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Journal ArticleDOI

Mechanisms of liquefaction and pyrolysis reactions of biomass

Ayhan Demirbas
- 01 Apr 2000 - 
- Vol. 41, Iss: 6, pp 633-646
TLDR
In the liquefaction process, the micellar-like broken down fragments produced by hydrolysis are degraded to smaller compounds by dehydration, dehydrogenation, deoxygenation and decarboxylation as mentioned in this paper.
About
This article is published in Energy Conversion and Management.The article was published on 2000-04-01. It has received 904 citations till now. The article focuses on the topics: Deoxygenation & Thermal depolymerization.

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Citations
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Journal ArticleDOI

Characteristics of hemicellulose, cellulose and lignin pyrolysis

TL;DR: In this article, the pyrolysis characteristics of three main components (hemicellulose, cellulose and lignin) of biomass were investigated using, respectively, a thermogravimetric analyzer (TGA) with differential scanning calorimetry (DSC) detector and a pack bed.
Journal ArticleDOI

Pyrolysis of Wood/Biomass for Bio-oil: A Critical Review

TL;DR: A review of the recent developments in the wood pyrolysis and reports the characteristics of the resulting bio-oils, which are the main products of fast wood pyrotechnics, can be found in this paper.
Journal ArticleDOI

Thermochemical biofuel production in hydrothermal media: A review of sub- and supercritical water technologies

TL;DR: Several biomass hydrothermal conversion processes are in development or demonstration as mentioned in this paper, which are generally lower temperature (200-400 °C) reactions which produce liquid products, often called bio-oil or bio-crude.
Journal ArticleDOI

Progress and recent trends in biofuels

TL;DR: A review of modern biomass-based transportation fuels such as fuels from Fischer-Tropsch synthesis, bioethanol, fatty acid (m)ethylester, biomethanol, and biohydrogen are briefly reviewed in this paper.
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A review of catalytic upgrading of bio-oil to engine fuels

TL;DR: In this article, two general routes for bio-oil upgrading have been considered: hydrodeoxygenation (HDO) and zeolite cracking, where zeolites, e.g. HZSM-5, are used as catalysts for the deoxygenization reaction.
References
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Journal ArticleDOI

Characterization and stability analysis of wood-derived bio-oil

TL;DR: The stability characteristics of a bio-oil, produced by the high pressure liquefaction of aspen wood were studied by observing the changes in its physical properties, composition and distillation characteristics with time.
Journal ArticleDOI

Pyrolysis of a wood-derived material. Effects of moisture and ash content

TL;DR: In this article, the influence of moisture on the thermal degradation of wood waste was investigated by pyrolyzing ground samples in a batch fluid-bed reactor at between 320 and 470 °C in helium at 101-104 kPa.
Journal Article

Mechanism of Thermal Decomposition of Lignin

TL;DR: Differential thermal analysis of milled wood Lignin and lignin carbohydrate complex at different heating rates showed three exothermic peaks as discussed by the authors, and the heating rate is the factor that affects their sharpness and position.
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Effect of flame retardants on pyrolysis and combustion of α‐cellulose

TL;DR: In this article, the effects of low concentrations of flame retardants on pyrolysis and combustion of α-cellulose were investigated, and it was shown that flame retardant treatment significantly reduced the intensity of combustion and increased the yield of chars.
Journal ArticleDOI

Hydrogen-donor solvents in biomass liquefaction

TL;DR: In this article, the liquefaction of pure number61-cellulose with hydrogen-donor solvents such as tetralin and 2-propano was studied in a batch autoclave system under both inert and hydrogen atmospheres.
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