Hydrothermal Treatment of Vegetable Oils and Fats Aiming at Yielding Hydrocarbons: A Review

According to the International Air Transport Agency (IATA), the aviation industry causes 2% of GHG emissions. As a result, goals such as improving aircraft efficiency by 1.5% per year and achieving carbon-neutral growth by 2020 were established. In this circumstance, fuels produced from biomass seem...

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Bibliographic Details
Published in:Catalysts 2020-08, Vol.10 (8), p.843
Main Authors: Zanon Costa, Carolina, Falabella Sousa-Aguiar, Eduardo, Peixoto Gimenes Couto, Maria Antonieta, Souza de Carvalho Filho, José Faustino
Format: Article
Language:English
Subjects:
Advantages
Air transportation
Alternative energy sources
Analysis
Biodiesel fuels
Biofuels
Biogas
Biomass
Biomass energy
Carbon
Catalysts
Catalytic cracking
Chemical processes
Chemical reactions
Fats
Fatty acids
Fuels
Hydrocarbons
Hydrothermal treatment
Literature reviews
Methods
Oils & fats
Pyrolysis
R&D
Reaction time
Reforming
Research & development
Transesterification
Triglycerides
Vegetable oils
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Summary:According to the International Air Transport Agency (IATA), the aviation industry causes 2% of GHG emissions. As a result, goals such as improving aircraft efficiency by 1.5% per year and achieving carbon-neutral growth by 2020 were established. In this circumstance, fuels produced from biomass seem to be a promising route. There are many routes available to convert biomass into renewable fuels such as pyrolysis, hydroprocessing, transesterification, hydrothermal processes, and steam reforming. In this study, one reports a review of hydrothermal technologies. This review reports recent information about hydrothermal processes using water in sub- and supercritical states. This article introduces some concepts of the hydrothermal processes, advantages, and different types of feedstock adopted. The parameters which have an influence on hydrothermal processes such as temperature, pressure, particle size, catalyst, biomass/water ratio, and reaction time are illuminated. Water characteristics in sub- and supercritical conditions are discussed as a highly reactive medium to increase the affinity for the extraction of value-added compounds. Additionally, this review splits and details the reaction schemes that take place under hydrothermal conditions. Finally, it introduces recent research and development (R&D) trends in the hydrothermal process of fatty acids and triglycerides.
ISSN:2073-4344
2073-4344
DOI:10.3390/catal10080843