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Use of High Temperature Process Heat for Solar Materials Conversion

Roeb, Martin and Richter, Christoph and Sattler, Christian (2012) Use of High Temperature Process Heat for Solar Materials Conversion. In: Proceeding of SASEC 2012. 1st Southern African Solar Energy Conference - SASEC 2012, 21.-23. Mai 2012, Stellenbosch, South Africa.

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Water is a raw material in all important processes for hydrogen production. It is used together with carbonaceous material like natural gas in reforming process and it is used as the only raw material in water electrolysis and in thermo-chemical cycle. Hydrogen as an energy carrier is only sustainable if it helps reducing CO2 emissions and if it is generated by applying renewable resources. The paper gives an overview on how concentrating solar technologies can be applied to reduce greenhouse gas emissions compared to conventional processes like steam reforming of methane or to totally avoid such emissions by using solar generated heat to power thermochemical cycles for water splitting. The probable first step to do this would be the integration of established technologies like SMR with solar energy. Secondly one has to proceed successively to renewable carbon free hydrogen production. The application of a solar driven reforming process is already at the edge to be competitive and has the potential to open the gate to the hydrogen economy. Thermo-chemical cycles for hydrogen production exclusively from water represent the long-term option.

Item URL in elib:https://elib.dlr.de/77819/
Document Type:Conference or Workshop Item (Speech, Paper)
Title:Use of High Temperature Process Heat for Solar Materials Conversion
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Date:23 May 2012
Journal or Publication Title:Proceeding of SASEC 2012
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:solar fuels, thermochemical cycles, solar tower, reforming
Event Title:1st Southern African Solar Energy Conference - SASEC 2012
Event Location:Stellenbosch, South Africa
Event Type:international Conference
Event Dates:21.-23. Mai 2012
HGF - Research field:Energy
HGF - Program:Renewable Energies
HGF - Program Themes:E SF - Solar research (old)
DLR - Research area:Energy
DLR - Program:E SF - Solar research
DLR - Research theme (Project):E - Solare Verfahrenstechnik (old)
Location: Köln-Porz
Institutes and Institutions:Institute of Solar Research > Solare Verfahrenstechnik
Deposited By: Roeb, Dr.rer.nat. Martin
Deposited On:20 Nov 2012 17:16
Last Modified:20 Nov 2012 17:16

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