Cosmo Oil Co., Ltd.

Other

Petroleum Energy Center

Takeda Chemical Industries, Inc.

Sakai Chemical Industry Co., Ltd.

Japan As Represented by Director General of Agency of Industrial Science

Cosmo Research Institute

Research Association for Residual Oil Processing

Research Association for Petroleum Alternatives Development

Cosmo Oil Company & Petroleum Energy Center

Tomohiro Yoshinari

Kazushi Usui

Mitsunori Tabata

Katsumi Miyamoto

Sadao Takehara

Kazuhito Sato

Fujio Suganuma

Norbert Poellinger

Fritz Schueckler

Shinji Maegata

Takashi Suzuki

Tadao Nakatsuji

Hiromitsu Shimizu

Shigenori Nakashizu

Hatsutaro Yamazaki

Kinya Tawara

Ritsu Yasukawa

Motoi Sasaki

Yoshiaki Kintaichi

Takehiko Ito

Hideaki Hamada

Mitsuru Ohi

Hiroshi Tsuchida

Yasuo Yamamoto

Masaaki Kawatsuki

Takeshi Tomino

Takuo Suzuki

Kazuyoshi Kudoh

Tomoyuki Yogo

Chikara Sera

A catalyst for deep desulfurization of a mineral oil corresponding to kerosene, having a nickel component of nickel and nickel oxide, zinc oxide, and aluminum oxide The contents of the nickel component, and the aluminum oxide and the zinc oxide are defined. The nitrogen monoxide adsorption of the catalyst and the specific surface area are defined. The catalyst is obtained by carrying out an activation treatment. A process for producing the catalyst is given and, method of deep desulfurization is given.

Deep desulfurization catalyst, method for preparing the same and method for desulfurization using the same

D-mannitol having a specific surface area of not less than about 1 m /g is disclosed. The D-mannitol shows improved compressibility and is useful as an excipient.

D-mannitol and its preparation

A reduction purification method of a nitrogen oxide-containing exhaust gas by contacting said nitrogen oxide-containing exhaust gas with a catalyst in an oxidative atmosphere in which an excess amount of oxygen is present and in the presence of a least one reducing agent selected from the group consisting of a hydrocarbon and an oxygen-containing organic compound, wherein said catalyst comprises an alumina having supported thereon (a) tin and (b) at least one selected from the group consisting of ruthenium, palladium, rhodium and indium.

Reduction purification method of nitrogen oxide-containing exhaust gas

D-mannitol having a specific surface area of not less than about 1 m,/g is disclosed. The D-mannitol shows improved compressibility and is useful as an excipient.

A reduction purification method of a nitrogen oxide-containing exhaust gas by contacting said nitrogen oxide-containing exhaust gas with a catalyst in an oxidative atmosphere in which an excess amount of oxygen is present and in the presence of at least one reducing agent selected from the group consisting of a hydrocarbon and an oxygen-containing organic compound, wherein said catalyst comprises an alumina having supported thereon (a) tin and (b) at least one selected from the group consisting of ruthenium, palladium, rhodium and indium.

A process for removing nitrogen oxide from exhaust is disclosed, comprising contacting exhaust containing nitrogen oxide with an alumina catalyst which contains not more than 0.5% by weight of an alkali metal and/or an alkaline earth metal and has a total pore volume of from 0.48 to 1.2 cm.sup.3 .multidot.g.sup.-1 with 0.26 to 0.6 cm.sup.3 .multidot.g.sup.-1 of the total pore volume being formed of pores of not greater than 80 .ANG. or has a volume of pores formed of pores of not greater than 60 .ANG. of from 0.06 to 0.2 cm.sup.3 .multidot.g.sup.-l and which may have supported thereon tin in an oxidative atmosphere containing excess oxygen in the presence of a hydrocarbon or an oxygen-containing organic compound.

Removal of nitrogen oxide from exhaust gas

A catalyst composition for the hydrotreatment of hydrocarbon oils is disclosed. The composition comprises at least one metal compound having hydrogenating activity belonging to a Group VIB or Group VIII carried on a carrier comprising 2-35% by weight of zeolite and 98-65% by weight of alumina or an alumina-containing substance, wherein, (A) said alumina or alumina-containing substance (1) has a mean pore diameter of 60-125 angstrom and (2) contains the pore volume of which the diameter falls within .+-.10 angstrom of the mean pore diameter of 70-98% of the total pore volume, (B) said zeolite (3) has a mean particle size of 6 .mu.m or smaller and (4) contains particles of which the diameter is 6 .mu.m or smaller of 70-98% of all zeolite particles. It has both high hydrodesulfurization and high cracking capabilities at the same time, and can selectively crack the heavy fractions which have once been hydrotreated, yielding lighter fractions.

Catalyst composition for hydrotreating of hydrocarbons and hydrotreating

A catalyst composition for the hydrogenation of heavy hydrocarbon oil comprising at least one active ingredient for hydrogenation supported on a porous refractory oxide carrier and which has the following characteristics:

Catalyst composition for hydrogenation of heavy hydrocarbon oil and

A catalyst composition for the hydrogenation of heavy hydrocarbon oil, where the catalyst composition comprises at least one active ingredient for hydrogenation supported on a porous alumina carrier and has the following characteristics: (1) the total volume of the pores therein is from 0.4 to 1.0 ml/g; (2) the mean pore diameter of pores having a pore diameter of from 5 to 400 .ANG. is from 60 to 140 .ANG.; (3) the volume of pores having a pore size within .+-.25% of the mean pore diameter of pores having a pore diameter of from 5 to 400 .ANG. is from 60 to 98% of the volume of pores having a pore diameter of from 5 to 400 .ANG.; (4) the volume of pores having a pore diameter of from 400 to 5000 .ANG. is from 2 to 9% of the total volume of the entire pores; (5) the ratio (mm.sup.2 /mm.sup.3) of the outer surface area of a molded catalyst powder to the volume thereof is from 4 to 8; and (6) all points in the interior of the molded catalyst particle are positioned within 0.05 to 0.6 mm from the outer surface thereof. A process for producing the catalyst composition is also disclosed. Further, a process for hydrogenating heavy hydrocarbon oil, which comprises contacting the heavy hydrocarbon oil with the catalyst composition in the presence of hydrogen is disclosed.

A process for producing hydrocarbons which comprises bringing a gas mixture comprising hydrogen and carbon monoxide into contact with a catalyst comprising manganese oxide, alkali metal, sulfur, and ruthenium to produce hydrocarbons. The hydrocarbons formed are rich in olefins. When a catalyst prepared by combining the above described catalyst with crystalline zeolite is used, the hydrocarbons formed becomes rich in liquid hydrocarbons, particularly, a gasoline fraction.

Process for producing hydrocarbons

Growing community of inventors

Saitama, Japan

Tomohiro Yoshinari