Jgc Catalysts & Chemicals Ltd.

Jx Nippon Oil Energy Corporation

Shogo Tagawa

Hiroyuki Seki

Masanori Yoshida

Tomoyasu Kagawa

Yoshiaki Fukui

Kenji Yamane

Kouichi Ohama

A hydrotreating catalyst includes a hydrogenation active metal supported on a alumina-phosphorus support and satisfies: a specific surface area being 100 m/g or more; a total pore volume measured by mercury intrusion being in a range 0.80-1.50 ml/g; a maximum value of pore distribution being present in a pore diameter range 10-30 nm; a ratio of a pore volume of pores with a pore diameter within a range of &#xb1;2 nm of a pore diameter at the maximum value to a pore volume of pores with a pore diameter in a range 5-100 nm being 0.40 or less; a pressure capacity being 10 N/mm or more; 0.4-10.0 mass % of phosphorus being contained in the catalyst in terms of POconcentration based on a total amount of the catalyst; and a hydrogenation active metal being at least one metal selected from metals of VIA and VIII groups of the periodic table.

Hydrogenation catalyst and method for producing same

The present invention provides a hydrodesulfurization catalyst that exhibits a high desulfurization activity when used in hydrotreatment of hydrocarbon oil, in particular straight-run gas oil. The catalyst includes at least one type of metal component selected from Groups VIA and VIII in the periodic table, supported on a silica-titania-alumina support where the total of the diffraction peak area indicating the crystal structure of anatase titania (101) planes and the diffraction peak area indicating the crystal structure of rutile titania (110) planes is &#xbc; or less of the diffraction peak area indicating the aluminum crystal structure ascribed to &#x3b3;-alumina (400) planes, as measured by X-ray diffraction analysis. The catalyst has (a) a specific surface area (SA) of 150 m/g or greater, (b) a total pore volume (PVo) of 0.30 ml/g or greater, (c) an average pore diameter (PD) of 6 to 15 nm (60 to 150 &#x212b;), and (d) the ratio of the pore volume (PVp) of pores having diameters within &#xb1;30 percent of the average pore diameter (PD) being 70 percent or greater of the total pore volume (PVo).

Hydrodesulfurization catalyst for hydrocarbon oil, process of producing same and method for hydrorefining

A hydrodesulfurization catalyst is produced by pre-sulfurizing a hydrodesulfurization catalyst Y including a support containing silica, alumina and titania and at least one metal component supported thereon and selected from VIA and VIII groups of the periodic table (comprising at least Mo), in which the total area of the diffraction peak area indicating the crystal structure of anatase titania (101) planes and the diffraction peak area indicating the crystal structure of rutile titania (110) planes in the support, measured by X-ray diffraction analysis being &#xbc; or less of the alumina diffraction peak area assigned to &#x3b3;-alumina (400) planes. The molybdenum is formed into molybdenum disulfide crystal disposed in layers on the support by the pre-sulfurization, and having an average length of longer than 3.5 nm and 7 nm or shorter in the plane direction and an average number of laminated layers of more than 1.0 and 1.9 or fewer.

Growing community of inventors

Kitakyushu, Japan

Shogo Tagawa