Hydrodesulfurization and hydrodenitrogenation catalysts obtained from coal mineral matter. [Patent application]
Description: A hydrotreating catalyst is prepared from coal mineral matter obtained by low temperature ashing coals of relatively low bassanite content by the steps of: (a) depositing on the low temperature ash 0.25 to 3 grams of an iron or nickel salt in water per gram of ash and drying a resulting slurry; (b) crushing and sizing a resulting solid; and (c) heating the thus-sized solid powder in hydrogen.
Date: March 26, 1981
Creator: Hwai-der Liu, K. & Hamrin, C.E. Jr.
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