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Aluminum oxide catalyst is a kind of catalyst used in petroleum industry, industrial and automobile catalysis to decompose organic sulfur in acidic gas to obtain claus and is also suitable for the recovery of sulfur from refined oil plant, natural gas plant and coal gas. It has excellent performance in hydrolytic activity to claus, resistance to sulfation and heat stability etc.
The preparation method of aluminium oxide catalyst was improved. A copper aluminium oxide spinel (C11AI2O4) was prepared by the sol-gel method. The copper aluminium oxide spinel catalyst exhibited an excellent catalytic activity in hydrogenolysis of glycerol, and 90 % of glycerol was converted into 1,2-propanediol with the selectivity of 1.56. The morphological/structural properties of the catalyst were characterized by X-ray diffraction and high-resolution scanning electron microscopy.
Aluminium oxide (Al2O3), commonly known as alumina, is an inorganic compound with the formula Al2O3. It is a white odorless powder that is highly soluble in water and many organic solvents. The crystal structure of alumina is trigonal Bravais lattice with oxygen ions filling two-thirds of the octahedral interstices. It is one of the most common and inexpensive inorganic materials. Alumina is widely used as a catalyst support in industrial applications, such as hydrodesulfurization and some Ziegler-Natta polymerizations. It is also widely used as a raw material for the production of aluminium and as a component in ceramics, electrical insulators and resistors, paper, crucibles, refractories, and in some chemical processes. It is an amphoteric substance, meaning that it can act as an acid with a base and as a base with an acid.