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Techno-economic study of the storage of fluctuating renewable energy in liquid hydrocarbons

König, Daniel Helmut and Freiberg, Marcel and Dietrich, Ralph-Uwe and Wörner, Antje (2015) Techno-economic study of the storage of fluctuating renewable energy in liquid hydrocarbons. Fuel – The Science and Technology of Fuel and Energy, 159, pp. 289-297. Elsevier. doi: 10.1016/j.fuel.2015.06.085. ISSN 0016-2361.

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Liquid hydrocarbons are considered as an option to store renewable energy while decoupling the supply and demand of renewable resources. They can also be used as transportation fuel or as feedstock for the chemical industry and are characterized by a high energy density. A process concept using renewable energy from fluctuating wind power and CO2 to produce liquid hydrocarbons was modeled by a flowsheet simulation in Aspen Plus. The capacity of the plant was set to 1 GWLHV of hydrogen input, using water electrolysis, reverse water–gas shift reaction (RWGS) and Fischer–Tropsch (FT) synthesis. A feed of 30 t/h of H2 generated 56.3 t/h (12,856 bbl/d) of liquid hydrocarbons. A Power-to-Liquid efficiency of 44.6% was calculated for the base case scenario. Net production cost ranged from 12.41 $/GGE to 21.35 $/GGE for a system powered by a wind power plant with a full load fraction of about 47%, depending on the assumed electricity feedstock price and electrolyzer capital cost. For systems with full load fractions between 70% and 90%, the production cost was in the range of 5.48 $/GGE to 8.03 $/GGE.

Item URL in elib:https://elib.dlr.de/97168/
Document Type:Article
Title:Techno-economic study of the storage of fluctuating renewable energy in liquid hydrocarbons
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
König, Daniel Helmutdaniel.koenig (at) dlr.deUNSPECIFIED
Freiberg, Marcelmarcel.freiberg (at) dlr.deUNSPECIFIED
Dietrich, Ralph-Uweralph-uwe.dietrich (at) dlr.deUNSPECIFIED
Wörner, Antjeantje.woerner (at) dlr.deUNSPECIFIED
Journal or Publication Title:Fuel – The Science and Technology of Fuel and Energy
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In ISI Web of Science:Yes
DOI :10.1016/j.fuel.2015.06.085
Page Range:pp. 289-297
Keywords:Power-to-Liquid, Renewable energy, energy storage, Fischer-Tropsch synthesis, Techno-economic analysis, Synthetic fuels
HGF - Research field:Energy
HGF - Program:Efficient Energy Conversion and Use (old)
HGF - Program Themes:Energy-efficient Processes (old)
DLR - Research area:Energy
DLR - Program:E EV - Energy process technology
DLR - Research theme (Project):E - Thermochemical Processes (old)
Location: Stuttgart
Institutes and Institutions:Institute of Engineering Thermodynamics > Thermal Process Technology
Deposited By: König, Daniel Helmut
Deposited On:27 Jul 2015 14:28
Last Modified:31 Jul 2019 19:53

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