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Título
A Techno-Economic Appraisal of Green Diesel Generation through Hydrothermal Liquefaction, Leveraging Residual Resources from Seaweed and Fishing Sectors
Autor
Facultad/Centro
Área de conocimiento
Título de la revista
Water
Número de la revista
17
Datos de la obra
Sierra Fernández, C.; Rosales Asensio, E.; Segrego Morales, E.; Gómez Marín, N.; Pullido Alonso, A. (2023). A Techno-Economic Appraisal of Green Diesel Generation through Hydrothermal Liquefaction, Leveraging Residual Resources from Seaweed and Fishing Sectors. Water, 15(17), https://doi.org/10.3390/W15173061
Editor
MDPI
Fecha
2023
Resumo
[EN] This study examines the economic viability of an emerging technology for potential up-
scaling and commercialization in a specific location: the village of New Stuyahok, Alaska. The
proposed technology is hydrothermal liquefaction, which utilizes kelp macroalgae and fishing waste
as feedstock. These materials were chosen due to their easy availability in the village and their
alignment with the local economy. The economic evaluation is based on the net present value
(NPV) and sensitivity models. Different feedstock ratios (on a dry basis), such as 100:0, 50:50, and
30:70 of kelp and fishing waste, respectively, were evaluated to determine the optimal combination.
The results indicated that the process is economically viable only when a high proportion of fish-
ing waste is used. This can be ascribed to the constrained output yield of the kelp biomass and
the relatively negligible influence exerted by alginate production on the NPV. However, the ratio
50:50 appears to be economically promising if the costs can be reduced by at least 13.5% or the
benefits can be increased by 12.1%. Nevertheless, government support could play a crucial role in
expediting the implementation of this technology once it becomes market-ready. This means being
practical, scalable, and economically viable, enabling reduced investments or increased benefits that
signify its readiness. Utilizing such a tool offers valuable insights into the framework of the proposed
technology and the use of local natural resources
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