About this Research Topic
The lack of fossil fuels and the increasing contamination of the environment boosted new research in the Waste to Fuels field. Thermochemical processes such as pyrolysis, gasification, etc. have been recently investigated to convert different types of the waste into fuels. However, the obtained fuel, either gas or liquid, has sub-optimal properties and needs upgrading; in this context, catalytic processes are highly investigated to improve fuel specifications. It is worth to note that during the conversion of the waste to fuel, gas/liquid and char are also obtained as by-products. The process condition, feedstock type, the use of catalyst, etc. have significant effect on the quality of the fuel and by-products.
Thermochemical processes to convert waste into fuels are not mature yet, and they require techno-economic optimization. The high price of the obtained fuel makes it indeed non-competitive with fossil fuels: in literature, the price of the liquid fuel is estimated 0.5 USD per liter, while in real conditions, it becomes higher than 2.0 USD. In addition, catalysts that have been tested so far could not stand for a long time and are deactivated by the formation of coke. Therefore, there is a need for fundamental studies in this field. The goal of this Research Topic is to enhance waste to fuel processes to industrial-scale application.
Topics of interest include, but are not limited to the following areas:
· Waste to fuels through thermochemical processes
· Waste to fuels through biological processes
· Fuel upgrade from different feedstocks
· Techno-economic study of the biorefinery processes
· Biochar as a fuel
Keywords: Waste; Fuels; Environment; Thermochemical; Biological
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