首页|Tuning the co-catalyst loading for the optimization of thermo-photocatalytic hydrogen production over Cu/TiO2
Tuning the co-catalyst loading for the optimization of thermo-photocatalytic hydrogen production over Cu/TiO2
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NSTL
We have optimized the H2 production by methanol thermo-photocatalytic reforming in the gas phase using Cu/TiO2 catalyst by tuning metal loading.Metal co-catalyst has been deposited by means of chemical reduction deposition.We have stated that thermo-and thermo-photocatalytic process leads to a notable H2 production at 200 ℃.By in-situ FTIR studies we evidenced that formate formation follows a different evolution depending on the reforming experiment.These surface formate would lead to CO formation through dehydration reaction.At higher Cu content the low CO selectivity denote that water-gas-shift reaction would predominate and exalt H2 yield.Thus,different optimum Cu content is found for each reforming experiment.While for the photocatalytic reforming Cu/TiO2(2 wt%)is the best catalyst of the series,we should increase the Cu content to Cu/TiO2(5 wt %)to achieve the optimum performance for thermo-photocatalytic reforming of methanol.
NSTL
