Cel
The emission of carbon dioxide and other pollutant gases from fossil fuel-fired power stations contribute to the man-made greenhouse effect. The project concentrates on studies and investigations of technologies to reduce or eliminate such emissions from coal-fired power generation systems.
The objectives of this project are to develop a process for
cost-effective and energy-efficient hydrogen recovery from coal-derived gases as a means of carbon dioxide control by combining the water gas shift and hydrogen separation steps in one catalytic (ceramic) membrane reactor unit. The specific aim of Phase I is to prove the feasibility of such a process development.
Conventional approaches for CO2 control in Integrated Gasification Combined Cycle power plants (IGCC) generally consist of a separate multistage shift reactor to convert CO with steam to CO2 and H2 followed by a low temperature CO2 removal process.
A promising approach lies in the combination of the water gas shift reaction with continuous hydrogen separation from the reaction mixture. By using selective membranes, combined with a catalyst active to the shift reaction, the equilibrium production of H2 from coal gas can be enhanced, resulting in system simplification and decreased steam/CO ratio. This should lead to a lower efficiency penalty and is thus considered to be an economically attractive alternative.
Within the project six tasks can be
1. System Integration studies: IGCC-WIHYS system configurations will be evaluated and an estimation will be given of the total system efficiency and cost effectivity of CO2 control with WIHYS in the chosen design point.
2. Catalyst Research: Catalysts and catalytic membranes will be screened and investigated in a small scale research reactor.
3. Membrane research: Fabrication and characterisation of (catalytic) gas separation membranes.
4. Modelling: Different membrane reactor options will be scouted. Furthermore models, which can describe the flow and heat and mass transfer phenomena in the membrane reactor, are built.
5. WIHYS Laboratory Reactor: An "optimum" reactor will be designed and constructed according to the most promising configurations, from a materials and engineering point of view. In order to prove the feasibility of the principle, experiments will be performed. Data gathered concerning reactor performance, will be used for the drafting of a preliminary full scale process design.
6. Process Evaluation: A preliminary conceptual process design, including investment and running cost estimation, will be prepared in order to evaluate the full-scale implications of the process. The technical feasibility of the process development will be evaluated.
Dziedzina nauki
Zaproszenie do składania wniosków
Data not availableSystem finansowania
CSC - Cost-sharing contractsKoordynator
PETTEN
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