Solar Steam Reforming of Methane (SSRM) Program Proposals
Within the intended development work to supply solar HT process heat to industrial processes, especially chemical processes, the steam reforming process is considered suitable in particular.
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A. KALT
DFVLR, KOLN
M. Becker (ed.), Solar Thermal Energy Utilization © Springer-Verlag Berlin Heidelberg 1987
Contents
1.
Program Scope
181
2.
Objectives
181
2. 1 2.2 2. 3
Technical Objectives Economical Objectives International Co-operation
181 182 182
3.
Approach
182
3.1 3.2 3. 3
Phasin;g Proposal Development Work Risk Areas
182 183 187
4.
Schedule and Milestones
188
5.
Required Funds
189
6.
Figures
190
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179 -
Solar Steam Reforming of Methane (SSRM) Program Proposals
1.
Program Scope
Within the intended development work to supply solar HT process heat to industrial processes, especially chemical processes, the steam reforming process is considered suitable in particular. This is because that process o
is an endothermic process,
is relatively flexible and can be
considered as an example process o
leads to a product which can be used to produce fuels as well as other chemical products
o
is a part of the
1
Adam/Eve Process
1
which allows energy transport
via a chemical heat pipe o
is well-known
o
has a broad application, and
o
because methane as a raw material is available in several solar areas.
This program shall advance the development of a solar steam reforming process and make available the required hardware as well as gain system experience. Subsystems and components shall be developed and promising systems studied theoretically and experimentally. Hereby, the percentage of supplied solar energy shall be as high as meaningful.
2.
Objectives
2.1. Technical Obiectives Currently available hardware - especially the reformer itself - as well as hardware under development shall be investigated in respect to its suitability for solar methane reforming.
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181 -
Necessary development efforts on component and subsystem level shall be defined. New developed hardware shall then be experimentally investigated, separately and in combination with other required hardware. In order to cover system aspects complete solar steam reforming systems shall be investigated. Operational experience shall be gained during extended operation time. 2.2.
Economic~l
Objectives
Future solar methane reforming plants as well as other systems possibly generated by this program have finally to be economically competitive to other -conventional- solutions. Therefore, basic economic aspects have to be considered from the very beginning within this development program. The
study of economical aspects 1 ike basic costs, needs, etc. shall be included in the program. 2.3.
operational
International_Cooper~~ion
Solar methane reforming is of interest to several participating countries. Therefore, an international cooperation and a task sharing are aspired.
3. Approach 3.1. Phasing Hardware for solar methane steam reforming (SSRM) is not available from the shelf. Some subsystems are under development like a HT solar receiver (8000 C, gas-cooled). Other subsystem designs could be modified like the Adam and Eve reformer. Generally, subsystem development is necessary before a complete solar
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