Abstract
Hydrogen production by oxidative steam reforming of methanol (OSRM) was investigated over CuOZnO-based catalysts promoted by Au, which were prepared by using co-precipitation and deposition–precipitation and were characterized by X-ray powder diffraction (XRD), H2-temperature programmed reduction (TPR), induced coupled plasma mass analyzer (ICP-MS), and transmission electron microscopy (TEM). We found that the reducibility of CuOZnO-based catalyst could be improved with increasing Au loading, which induced better performance at temperatures lower than 200°C. In addition, through calcination pretreatment, the residual chloride on the catalyst could be removed, which might expose more Au on the surface and result in a decrement of CO selectivity.
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