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Characterization of Carbonaceous Compounds Deposited on NiMo Catalyst Used for Ultra Deep Hydrodesulfurization of Gas Oil by Means of Temperature-programmed Oxidation Method
Ultra deep hydrodesulfurization Catalyst deactivation Carbonaceous deposit
2009/7/24
Ultra deep hydrodesulfurization (HDS) of several types of gas oil were performed over NiMo catalyst under various conditions and the carbonaceous deposits on the spent catalysts were characterized by...
The Role of Brønsted and Lewis Acid Sites of Vanadyl Pyrophosphate Measured by Dimethylpyridine-temperature Programmed Desorption in the Selective Oxidation of Butane
Vanadyl pyrophosphate catalyst Acidic property Dimethylpyridine Temperature programmed desorption
2009/7/24
Acidic properties of three types of (VO)2P2O7 catalysts were investigated by temperature programmed desorption (TPD) using 3, 5- and 2, 6-dimethylpyridine as probes, and the selective oxidation of but...