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Solar thermochemical production of hydrogen: Steady-state and dynamic modeling of a Hybrid- Sulfur Process coupled to a solar tower

Bayer-Botero, Nicolas and Guerra Niehoff, Alejandro and Thomey, Dennis and Roeb, Martin and Sattler, Christian and Pitz-Paal, Robert (2014) Solar thermochemical production of hydrogen: Steady-state and dynamic modeling of a Hybrid- Sulfur Process coupled to a solar tower. In: Proceedings WHEC 2014. WHEC 2014, 15.-20.Jun. 2014, Gwangju, Korea.

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Official URL: http://www.whec2014.com/eng/index.php?lang=eng

Abstract

Thermo-chemical cycles for water splitting are considered as a promising alternative of emission-free routes of massive hydrogen production – with potentially higher efficiencies and lower costs compared to low temperature electrolysis of water. The hybrid-sulphur cycle was chosen as one of the most promising cycles from the ‘sulphur family’ of processes. Specific attention is put to the dynamics of the process. The process is separated into two different parts – one in steady-state, the other one imposed by transients. This allows considering concepts of coupling such a process to a concentrating solar system and analyse them with respect to energy and mass flows. Process efficiencies are calculated based on conservative assumptions revealing the most important development tasks for the future.

Item URL in elib:https://elib.dlr.de/91427/
Document Type:Conference or Workshop Item (Speech)
Title:Solar thermochemical production of hydrogen: Steady-state and dynamic modeling of a Hybrid- Sulfur Process coupled to a solar tower
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Bayer-Botero, NicolasDLR SF-SOLUNSPECIFIED
Guerra Niehoff, Alejandroalejandro.guerra (at) dlr.deUNSPECIFIED
Thomey, Dennisdennis.thomey (at) dlr.deUNSPECIFIED
Roeb, MartinMartin.roeb (at) dlr.deUNSPECIFIED
Sattler, Christianchristian.sattler (at) dlr.deUNSPECIFIED
Pitz-Paal, Robertrobert.pitz-paal (at) dlr.deUNSPECIFIED
Date:16 June 2014
Journal or Publication Title:Proceedings WHEC 2014
Refereed publication:No
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:thermochemical cycle hybrid sulphur flow sheet solar Tower volumetric Receiver sulphuric acid
Event Title:WHEC 2014
Event Location:Gwangju, Korea
Event Type:international Conference
Event Dates:15.-20.Jun. 2014
HGF - Research field:Energy
HGF - Program:Renewable Energies
HGF - Program Themes:Concentrating Solar Systems (old)
DLR - Research area:Energy
DLR - Program:E SF - Solar research
DLR - Research theme (Project):E - Solar Process Technology (old)
Location: Köln-Porz
Institutes and Institutions:Institute of Solar Research > Solare Verfahrenstechnik
Deposited By: Sattler, Prof. Dr. Christian
Deposited On:05 Nov 2014 15:27
Last Modified:05 Nov 2014 15:27

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