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High temperature hydrogen production: Design of a 750 KW demonstration plant for a two step thermochemical cycle

Säck, Jan Peter and Breuer, Stefan and Cotelli, Paolo and Houaijia, Anis and Lange, Matthias and Wullenkord, Michael and Spenke, Carsten and Roeb, Martin and Sattler, Christian (2016) High temperature hydrogen production: Design of a 750 KW demonstration plant for a two step thermochemical cycle. Solar Energy, 135, pp. 232-241. Elsevier. DOI: 10.1016/j.solener.2016.05.059 ISSN 0038-092X

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Abstract

The present work describes the study of a solar reactor for a two-step solar thermo-chemical water splitting cycle concerning the EU-project Hydrosol Plant, which aims to build a plant at the end of 2016 on a solar tower at the Plataforma Solar de Almería with a thermal input power of 750 kW to produce 3 kg/week of hydrogen. The process applies nickel-ferrite as reactive species, which works optimally at 1100 �C for the water splitting step and at 1400 �C for the regeneration step. This material is provided in form of monoliths which are used in cars as catalytic converter. On the platform three reactors are placed to reach a volume of about 0.3 m3 of active material inside the reactor chambers. During the operations two of these will be regenerated while one will work on water splitting, to reach a quasi-continuous hydrogen production. The design concept of the reactor is taken from the SOLREF reactor, which was originally developed by DLR for methane reforming at 900 �C and 10 bar. The scheme and the layout of the plant to feed the reactors have been studied, too. A thermodynamic model for the regeneration step has been also developed to check if the thermal power demand of the three reactors can be supplied by the defined thermal input power. The differences to the other HYDROSOL Projects are: The Upscaling from 100 kW to 750 kW, the usage of monoliths completely made of nickel-ferrite and the control strategy with three reactors instead of two.

Item URL in elib:https://elib.dlr.de/104614/
Document Type:Article
Title:High temperature hydrogen production: Design of a 750 KW demonstration plant for a two step thermochemical cycle
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Säck, Jan PeterJan.Saeck (at) dlr.deUNSPECIFIED
Breuer, StefanStefan.Breuer (at) dlr.deUNSPECIFIED
Cotelli, PaoloPaolo.Cotelli (at) dlr.deUNSPECIFIED
Houaijia, AnisAnis.Houaijia (at) dlr.deUNSPECIFIED
Lange, MatthiasMatthias.Lange (at) dlr.dehttps://orcid.org/0000-0003-4747-0010
Wullenkord, MichaelMichael.Wullenkord (at) dlr.deUNSPECIFIED
Spenke, Carstencarsten.spenke (at) dlr.deUNSPECIFIED
Roeb, MartinMartin.Roeb (at) dlr.deUNSPECIFIED
Sattler, ChristianChristian.Sattler (at) dlr.dehttps://orcid.org/0000-0002-4314-1124
Date:31 May 2016
Journal or Publication Title:Solar Energy
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:135
DOI :10.1016/j.solener.2016.05.059
Page Range:pp. 232-241
Publisher:Elsevier
ISSN:0038-092X
Status:Published
Keywords:Solar power tower Thermochemical cycle Hydrogen Receiver–reactor Heat losses
HGF - Research field:Energy
HGF - Program:Renewable Energies
HGF - Program Themes:Solar Fuels
DLR - Research area:Energy
DLR - Program:E SF - Solar research
DLR - Research theme (Project):E - Solar Fuels (old)
Location: Jülich , Köln-Porz
Institutes and Institutions:Institute of Solar Research > Solare Verfahrenstechnik
Deposited By: Sattler, Prof. Dr. Christian
Deposited On:16 Jun 2016 16:35
Last Modified:16 Jun 2016 16:35

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