作者: David R. Johnson
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摘要: For a heavy hydrocarbonaceous feed, especially good hydrodemetalation and hydrodesulfurization are achieved, as well MCR reduction, using catalyst having 5 to 11 percent of its pore volume in the form macropores, surface area greater than 75 m2/g. Preferably has peak mesopore diameter 165A, determined by mercury porosimetry, an average 160A.