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Biomass Fast Pyrolysis 2020

A special issue of Energies (ISSN 1996-1073).

Deadline for manuscript submissions: closed (20 November 2020) | Viewed by 9410

Special Issue Editors


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Guest Editor
Department of Chemical and Environmental Engineering, University of the Basque Country UPV/EHU, Nieves Cano 12, 01006 Vitoria-Gasteiz, Spain
Interests: waste valorization; biomass; sewage sludge; pyrolysis; gasification; spouted bed technology; bio-oil
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Special Issue Information

Dear Colleagues,

The depletion of fossil fuels and the environmental awareness associated with their impact is promoting the development of processes aimed at the production of fuels and chemicals from renewable sources. In this scenario, fast pyrolysis is a promising thermochemical route for the full-scale production of renewable fuels and chemicals from biomass. Moreover, fast pyrolysis allows on to convert low-density biomass into bio‐oil, which is a denser liquid that can be stored and transported. Although great attention has been paid to this process, fundamental aspects, such as the reaction mechanism, reactor design, and product final applications, remain unsolved. In fact, the direct utilization of crude bio-oil is hindered by its poor quality (water and oxygen contents, viscosity, low energy content, and corrosiveness). Several strategies have been proposed in order to improve the quality of the products obtained from biomass fast pyrolysis. Thus, catalytic fast pyrolysis (either in situ or in line) is an interesting alternative for enhancing bio-oil quality and selectively producing valuable chemicals (such as aromatics and light olefins). In addition, the co-pyrolysis of biomass with other wastes (plastics and tires) also allows for the improvement of bio-oil properties, especially those involving heating value and water content.

Dr. Gartzen Lopez
Dr. Jon Alvarez
Guest Editors

Manuscript Submission Information

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Keywords

  • biomass pyrolysis
  • bio-oil
  • catalytic pyrolysis
  • co-pyrolysis
  • fast pyrolysis
  • pyrolysis kinetics
  • upgrading
  • biochar
  • pyrolysis mechanism

Published Papers (1 paper)

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Research

17 pages, 3026 KiB  
Article
Composition, Ageing and Herbicidal Properties of Wood Vinegar Obtained through Fast Biomass Pyrolysis
by Juan Luis Aguirre, Juan Baena, María Teresa Martín, Leonor Nozal, Sergio González, José Luis Manjón and Manuel Peinado
Energies 2020, 13(10), 2418; https://doi.org/10.3390/en13102418 - 12 May 2020
Cited by 36 | Viewed by 8884
Abstract
Lignocellulosic biomass pyrolysis could be an economically feasible option for forest management as it reduces the need to burn litter and helps in fire prevention thus avoiding the release of carbon dioxide and other greenhouse gases into the atmosphere. This study characterises wood [...] Read more.
Lignocellulosic biomass pyrolysis could be an economically feasible option for forest management as it reduces the need to burn litter and helps in fire prevention thus avoiding the release of carbon dioxide and other greenhouse gases into the atmosphere. This study characterises wood vinegar (WV) obtained via a continuous fast pyrolysis process in terms of its composition, ageing and herbicidal properties. The aqueous WV fraction had a moisture content of 84% in weight and contained more than 200 compounds. Acetic acid, hydroxyacetaldehyde and hydroxyacetone were the major components. No significant differences were found in WV composition according to the starting material (poplar, pine, pruning litter, forest waste). No residual aromatic polycyclic compounds that could be harmful to the environment were detected. In a series of climate-controlled glass chamber experiments, the WV proved to be as effective an inhibitor of seed germination and seedling growth as a contact herbicide acting against weeds, especially through aerial contact. Sprayed WV concentrations of 50, 75 and 100 vol. % were effective against all plant species tested. This product could therefore be of commercial interest and help make biomass pyrolysis economically viable, once environmental exposure limits and the safe application for agricultural and urban use of this product have been established. Full article
(This article belongs to the Special Issue Biomass Fast Pyrolysis 2020)
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