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High purity hydrogen has been obtained by “steam-iron” process from lighter fractions of synthetic bio-oils of different compositions in a single fixed bed reactor operating cyclically. This process in closely related to chemical looping producing and purifying hydrogen in a single reactor. The feedstock consisted of a blend of four model compounds representing the lighter fractions of a bio-oil....
Hydrogen production plus purification has been studied by the joint use of methane dry reforming (MDR) and the reduction–oxidation of iron oxides (Steam-Iron Process or SIP) within the same reactor. The raw material studied has been an equimolar mixture of CH4 and CO2 simulating the composition of a biogas exempt of any other contaminant. The study has been mainly carried out by thermogravimetry,...
Mechanical mixtures of nickel oxide and iron oxide doped with small quantities of ceria and alumina (2wt%), have been tested as suitable solids to jointly produce and purify hydrogen from an equimolar mixture of CH 4 and CO 2 simulating a desulfurized biogas. Since the solid mixture constitutes a reactant within the system, most part of the experiments has been carried out in a thermogravimetric...
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