Lignocellulose biomass pyrolysis for bio-oil production: A review of biomass pre-treatment methods for production of drop-in fuels

Kumar, R., Strezov, V., Weldikidan, H., He, J., Singh, S., Kan, T., and Dastjerdi, B. (2020) Lignocellulose biomass pyrolysis for bio-oil production: A review of biomass pre-treatment methods for production of drop-in fuels. Renewable and Sustainable Energy Reviews, 123. 109763.

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Abstract

Bio-oil upgrading can be achieved mainly via three types of methods that are biomass pre-treatment, catalytic upgrading and downstream bio-oil upgrading. The article aim is to review the different physicochemical biomass pre-treatment methods used to improve the physiochemical properties of the bio-oils produced from pyrolysis of treated biomass. Biomass pre-treatment could be classified as physical, thermal, chemical and biological methods. The physical methods, such as grinding and densification improve the biomass particle size and density, affecting the heat flow and mass transfer during pyrolysis, while thermal methods, such as torrefaction, decrease the activation energy of the pyrolysis process and increase the amount of hydrocarbons in the produced bio-oil. The chemical methods generally remove the minerals and alkali metals from the biomass, improve its calorific value and enhance other biomass properties. The biomass pre-treatment methods can be integrated with catalytic pyrolysis to enhance the total carbon yield and aromatic hydrocarbons in the bio-oil. This article provides review of the basic principles of the methods, important parameters that affect biomass properties, highlights the key challenges involved in each treatment method and suggests possible future recommendations to further understand the influence of the pre-treatment methods on bio-oil upgrading. In the last section, the effect of integrated catalytic pyrolysis and pre-treatment methods on bio-oil upgrading is provided.

Item ID: 72642
Item Type: Article (Research - C1)
ISSN: 1879-0690
Copyright Information: © 2020 Elsevier Ltd. All rights reserved.
Research Data: https://www.sciencedirect.com/science/article/pii/S1364032120300599
Date Deposited: 23 Jun 2022 02:39
FoR Codes: 40 ENGINEERING > 4004 Chemical engineering > 400402 Chemical and thermal processes in energy and combustion @ 100%
SEO Codes: 17 ENERGY > 1708 Renewable energy > 170801 Biofuel energy @ 100%
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