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Ferromagnetic elements Fe, Ni and Co were immobilized on the porous SiO 2 to catalyze the hydrogen generation from aqueous alkaline NaBH 4 (sodium borohydride). The porous SiO 2 was prepared by silica-surfactant self-assembly and the ferromagnetic catalyst was prepared by chemical reduction. The ferromagnetic catalysts were characterized using TG/DTA (Thermogravimetry/differential...
A recyclable and reusable Ru/Al 2 O 3 catalyst is prepared for hydrogen generation from the hydrolysis process of alkaline sodium borohydride (NaBH 4 ) solution. The hydrogen generation rate by the hydrolysis and methanolysis of alkaline NaBH 4 was explored as a function of NaOH concentration. Meantime, the byproducts derived from the spent alkaline NaBH 4 solution...
Novel composites of porous SiO 2 -LP and SiO 2 -HP supports are synthesized by the silica–polyethylene glycol monooleyl ether surfactant self-assembly method to obtain a large surface area. Cobalt is immobilized in the supports by incipient wetness impregnation. A stable and active Co/SiO 2 catalyst is examined using FE-SEM, BET and XRD. Further, the catalyst is tested for...
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