Steam reforming of ethanol in the membrane reactor using the Pd77Ag23 membrane was evaluated in Ni/CeO2 and Co/CeO2 at atmospheric pressure. At 673 K, the H2 yield in the Pd77Ag23 membrane reactor over Co/CeO2 was found to be higher than that over Ni/CeO2, although the H2 yield over Ni/CeO2 exceeded that over Co/CeO2 at 773 K. This difference was owing to their reaction mechanism. At 773 K, the...

A unique nanocomposite of CeO2 nanoparticles and Ce-doped manganese oxide nanofibers having a crystalline cryptomelane-type octahedral molecular sieve (KMn8O16·nH2O, abbreviated as OMS-2) structure (denoted CeO2-CeOMS-2) was prepared by the reaction Ce(NO3)3 KMnO4 at 90 °C. CeO2-CeOMS-2 shows extremely high photothermocatalytic activity, very low selectivity for acetaldehyde (an unfavorable byp...

Aloe vera is an economic crop due to the presence of a gel-like substance inside leaves, which contains polysaccharides, vitamins, proteins, fats, and amino acids. There ongoing need for this plant its products diverse food pharmaceutical industries. To meet good agricultural practices, we studied effect manure application (0%, 10%, 20% v/v soil) foliar with distilled water, salicylic acid (SA,...

Bimetallic catalysts are often more active and/or selective than their monometallic counterparts. The behaviour of such is frequently strongly dependent on the molar ratio two elements as well nanoparticle size and interaction with support material. X-ray photoelectron spectroscopy (XPS) an excellent surface analytical technique for probing electronic properties catalytic systems. When a mixtur...

The activity of reducible metal oxide Sm2O3, CeO2, and ZnO as Ni nanoparticles support was investigated for CO2 methanation reaction. carried out between 200 °C to 450 with the optimum catalytic observed at °C. reducibility catalysts has been comparatively studied using H2-Temperature Reduction Temperature (TPR) method. H2-TPR analysis also elucidated formation surface oxygen vacancies temperat...

AbstractIn this study, the stress analysis of YBCO/CeO2/YSZ/CeO2/Ni architextured materials under cryogenic conditions was carried out for coated conductor applications. YBCO/CeO2/YSZ/CeO2 multilayer films were fabricated on Ni tape substrate using reel-to-reel sol-gel and Pulse Laser Deposition (PLD) systems. The microstructural evolution of high temperature superconducting YBCO film and buffe...

Ni–CeO2–ZrO2 Catalysts for Water Gas Shift Reaction: Effect of CeO2