Gas oil hydrodesulfurization catalyst, hydrodesulfurization catalyst production method, and gas oil hydrotreating method

摘要

The catalyst of the present invention comprises at least one selected from the group consisting of Group 6 elements in a long-period periodic table in a composite oxide carrier containing a specific amount of alumina and a specific amount of HY zeolite having a specific crystallite diameter. A hydrodesulfurization catalyst supporting one or more metals selected from the group consisting of metals, Group 9 elements and Group 10 elements, phosphorus, and organic acids, wherein the catalyst standards are converted into oxides in terms of oxides. 10 to 40% by mass of Group 6 metal, 1 to 15% by mass of Group 9 and 10 metals, and 1.5 to 8% by mass of phosphorus, carbon derived from organic acid in terms of catalyst and element 0.8 to 7% by mass, and 0.2 to 1.2 mol of organic acid per mol of the metal of Group 9 element and Group 10 element, specific surface area, pore volume, And the average pore diameter in the pore distribution is within a certain range.