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Titel:
Evaluation tool for selection and optimisation of hydrogen demonstration projects : application to a decentralised renewable hydrogen system
 
Auteur(s):
 
Gepubliceerd door: Publicatie datum:
ECN 1998
 
ECN publicatienummer: Publicatie type:
ECN-RX--98-017 Artikel wetenschap tijdschrift
 
Aantal pagina's:
14  

Gepubliceerd in: Paper, to be presented at the 12th World Hydrogen Energy Conference, Buenos Aires, Argentina, 22-26 June 1998 (), , , Vol., p.-.

Samenvatting:
As part of the International Energy Agency Hydrogen ImplementingAgreement, an evaluation tool to assist in the design, operation and optimisation of hydrogen demonstration facilities is under development. Using commercially available flowsheet simulation software (ASPEN- Plus) as the integrating platform, this tool is designed to provide system developers with a comprehensive data base or library of component models and an integrating platform through which these models may be linked. By combining several energy system components a conceptual design of a integrated hydrogen energy system can be made. As a part of the tool and connected to the library are design guidelines which can help finding the optimal configuration in the design process. The component categories considered include: production, storage, transport, distribution and end use. Many component models have already been included in the initial test platform. The use of the tool will be illustrated by presenting the results of a specific sample system that has been designed and assessed with use of the tool. The system considered is a decentralized renewable hydrogen system in which the hydrogen is produced by biomass gasification or pyrolysis, the produced hydrogen is transported through a pipeline or with a tank truck. The storage options that are considered are liquid hydrogen and compressed gas. The hydrogen is dispensed through a refueling station. Several options for integration are conceivable; i.e. storage of the hydrogen can take place centrally or district heat of a gasification unit can be used to generate electricity for liquefaction, etc. With use of the tool several configurations with different components and various integration options have been examined. Both the results of the modeling effort and an assessment of the evaluation tool will be presented. 5 refs.


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