Pt and Pd catalysts supported on Al2O3 modified with rare earth oxides in the hydrogenation of tetralin, in the presence of thiophene

Deposition of Monodisperse Platinum Nanoparticles of Controlled Size on Different Supports

“…The size of supported Pt nanoparticles increases non linear with increasing the H 2 PtCl 6 concentration, abruptly at low amount of hexacloroplatinic acid and slightly at higher precursor concentration. It is noticeable that for larger particles the value of standard deviation is bigger, but it is always less than 15% of mean size of the parti- γ-Al 2 O 3 , that is in agreement with data published in literature [29]. …”

Recovery of spent alumina-supported platinum catalyst and reduction of platinum oxide via plasma sintering technique

“…988,46.678,68.158,81.568 and 86.308 (2u,Fig. 4) and the index to {1 1 1}, {2 0 0}, {2 2 0}, {3 1 1}, and {2 2 2} planes (Liu et al, 2008) of the Pt face-centered cubic (fcc) crystal structure which was consistent with the reported data (see Table 2, Brandão et al, 2008;Liu et al, [ ( ) T D $ F I G ] Wang et al, 2009a,b). Based on the X-ray power diffraction (XRD) identified result, the spinel platinum was provided and formed in the presence of high temperature plasma sintering procedure for long time.…”

Hydrogenation of Aromatic Hydrocarbons in Gasoline Fractions Over Supported Catalysts Under Pressure

“…In the oil refining industry, hydrogenation processes are carried out under harsh conditions (high temperature and hydrogen pressure) on metal oxide catalysts, where Co, Mo, Ni, Cu, W and other transition metals are used as the metal. Catalytic systems based on platinum group metals, especially Pt, Pd, Rh and Ru are the most effective and selective catalysts for hydro -dehydrogenation reactions [11][12][13][14][15][16][17][18][19][20].…”