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BIO-H2 Résumé de rapport

Project ID: ERK6-CT-1999-00012
Financé au titre de: FP5-EESD
Pays: Italy

Production of clean hydrogen for fuel cells by reformation of bioethanol - BIO-H2

The BIO-H2 project's main results include the four following ones concerning the development of catalytic materials:

- Development of catalytic materials for the reformation of bioethanol:

In contrast to methanol, the reformation of ethanol has not been studied to any appreciable extend. It should be noted that reforming of ethanol could lead to wasteful production of methane. This is why it is not a simple matter to take the catalysts for methanol reforming and use these for ethanol. There is a great need, therefore, to synthesise, characterise and test catalytic materials for ethanol reforming, exhibiting high activity, high selectivity towards H2 formation, resistance to poisoning by S- and N- containing species, and long-term thermal stability at temperatures in the range of 700-1000 degrees C. The catalyst is deposited on ceramic foams in order to obtain the optimum catalytic surface.

- Development of catalytic materials for the Water Gas Shift reaction:
Screening and selection of commercial and proprietary water-gas-shift catalysts is carried out in order to fit the operating reactor conditions (temperature and pressure of the effluent of the primary reformer).

- Development of catalytic materials for the Selective Oxidation of CO:

Based on expertise on the design of catalysts for the selective oxidation of CO in the presence of a large excess of H2 at low temperatures and patent literature data, screening and selection of catalysts for the purification of the H2-rich gas via selective oxidation of CO is carried out by considering the CO tolerance of chosen fuel cell. Testing and catalyst optimisation is done in a microreactor using realistic gas mixture.

- Development of catalytic materials for the post combustion reactor:

Based on literature and partners experience, the post combustion step has been investigated on metal-based catalysts. The various compositions of the effluents from the fuel cell and the ageing (sintering) is considered in view of optimising both the heat production and recovery and the catalyst life time and possible regeneration.

Reported by

CRF - Centro Ricerche Fiat SCpA
Strada Torino 50
10043 Orbassano
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