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Content archived on 2024-05-15

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

CORDIS provides links to public deliverables and publications of HORIZON projects.

Links to deliverables and publications from FP7 projects, as well as links to some specific result types such as dataset and software, are dynamically retrieved from OpenAIRE .

Deliverables

This result of the BIO-H2 project lists commercially available processes and hints on the latest technologies. It also provides a complete description of ethanol production and consumption in every country in the world. Ethanol production from lignocellulosic biomass. The project has collected data on the biomass availability in Europe - meaning biomass availability as energy crops, industrial crops, agricultural residues and domestic waste. The project also provides a detailed bibliographic study on the technologies and processes under development worldwide for the conversion of lignocellulosics into ethanol. A brief discussion on the key aspects on the economics of these processes highlights the near term viability of producing ethanol this way. Concerning bio-ethanol production, the goal of this result is not to develop new technologies but to optimise and integrate existing knowledge with the new part of the process. The experimental activities that have been carried out are: - Optimisation of biomass pretreatment by steam explosion (SE); - Optimisation of the simultaneous saccharification and fermentation of steam exploded biomass; included the detoxification procedures and SO2 preadsorption effect. - Simulation of the overall process at the industrial scale and techno-economic analysis. An evaluation of costs and a LCA of ethanol production has been provided.
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.

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