Nano al2o3 - PowerPoint PPT Presentation
NOVEL COATINGS BY DSC
Nano WC-12Co. Nano Al 2 O 3 -13TiO 2. Load= 50N. Sliding Velocity= 5.53m/sec Load= 50N. SLIDING WEAR PERFORMANCE. MICROHARDNESS. ABRASIVE WEAR PERFORMANCE. NOVEL COATINGS BY DSC.
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Recherches associées pour Nano al2o3
,Al2O3,
Hydrogenation of Unsaturated Compounds to Irradiation-Quantum Pd/- Al2O3 and Pt/-Al2O3
In the present research, we have made a survey on the influence of γ-rays (60Co sources) on the activity and selectivity of Pd/γ-Al2O3 (0, 5-5% Pd) in the reaction of liquid phase hydrogenation of cyclohexene, nitrobenzol and phenylacetylene. The samples Pd/γAl2O3 have been prepared by impregnating method γ-Al2O3 , previously calcined at 500°C for 4 hours with an aqueous solution of palladium chloride, followed by drying at 250°C. The resulting samples were recovered in a hydrogen stream for 2 hours at 500°C. The hydrogenation of unsaturated compounds was conducted in a thermo stated glass reactor-a catalyst \"duck\" in 96% ethanol at 10, 20, 30 and 40℃ with simultaneous measuring of the catalyst potential during the reaction relative to the saturated calomel halfcell.
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