Patents by Inventor Shinichiro Yanagawa
Shinichiro Yanagawa has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Patent number: 9394221Abstract: By selectively hydrogenating a feedstock containing two or more hydrocarbons selected from the group consisting of tricyclic aromatic hydrocarbons having an anthracene skeleton and tricyclic aromatic hydrocarbons having a phenanthrene skeleton to 1,2,3,4,5,6,7,8-octahydro bodies using, as a hydrogenation catalyst, a catalyst containing two or more active metals selected from the group consisting of nickel, molybdenum, cobalt, and tungsten and then, by oxidizing the 1,2,3,4,5,6,7,8-octahydro body using a metal oxide, a benzenetetracarboxylic acid can be efficiently manufactured.Type: GrantFiled: March 21, 2012Date of Patent: July 19, 2016Assignee: JX NIPPON OIL & ENERGY COMPANYInventors: Ryoji Ida, Shinichiro Yanagawa
-
Patent number: 9388096Abstract: A producing method of monocyclic aromatic hydrocarbons in which reaction products including monocyclic aromatic hydrocarbons are produced by bringing an oil feedstock and an aromatic production catalyst into contact with each other, the oil feedstock having a 10 volume % distillation temperature of more than or equal to 140° C. and a 90 volume % distillation temperature of less than or equal to 380° C., the method including the steps of: introducing the oil feedstock into a fluidized-bed reaction apparatus housing the aromatic production catalyst; bringing the oil feedstock and the aromatic production catalyst into contact with each other in the fluidized-bed reaction apparatus; and introducing steam into the fluidized-bed reaction apparatus based on the introducing amount of the oil feedstock per hour.Type: GrantFiled: May 24, 2012Date of Patent: July 12, 2016Assignees: JX Nippon Oil & Energy Corporation, CHIYODA CORPORATIONInventors: Shinichiro Yanagawa, Yasuyuki Iwasa, Susumu Yasui, Yoshishige Sugi, Atsushi Fukui, Atsuro Nagumo, Osamu Hirohata
-
Patent number: 9382174Abstract: A method for producing monocyclic aromatic hydrocarbons includes a cracking reforming reaction step of bringing an oil feedstock into contact with a catalyst for monocyclic aromatic hydrocarbon production containing a crystalline aluminosilicate, and causing the oil feedstock to react, thereby obtaining a product containing monocyclic aromatic hydrocarbons having 6 to 8 carbon atoms, a hydrogenation reaction step of hydrogenating a product produced in the cracking reforming reaction step, a monocyclic aromatic hydrocarbon recovery step of recovering monocyclic aromatic hydrocarbons having 6 to 8 carbon atoms separated from a hydrogenation product obtained in the hydrogenation reaction step and a recycling step of returning a heavy fraction having 9 or more carbon atoms separated from the hydrogenation product obtained in the hydrogenation reaction step to the cracking reforming reaction step.Type: GrantFiled: March 23, 2012Date of Patent: July 5, 2016Assignee: JX Nippon Oil & Energy CorporationInventors: Shinichiro Yanagawa, Ryoji Ida, Masahide Kobayashi, Yasuyuki Iwasa
-
Patent number: 9382173Abstract: Provided is a method for producing monocyclic aromatic hydrocarbons having 6 to 8 carbon atoms, the method including a cracking reforming reaction step of bringing feedstock oil into contact with a catalyst to effect a reaction; a step of purifying and recovering monocyclic aromatic hydrocarbons separated from the reaction step; and (1) a step of hydrogenating a heavy fraction separated from the reaction step; a dilution step of returning a portion of the hydrogenation product as a diluent oil to the hydrogenation step; and a step of returning the hydrogenation product to the reaction step; or (2) a step of adding a diluent to the heavy fraction separated from the reaction step; a step of hydrogenating the mixture; and a step of returning the hydrogenation product to the reaction step.Type: GrantFiled: March 23, 2012Date of Patent: July 5, 2016Assignees: JX Nippon Oil & Energy Corporation, CHIYODA CORPORATIONInventors: Shinichiro Yanagawa, Ryoji Ida, Yasuyuki Iwasa, Masahide Kobayashi, Susumu Yasui, Yoshishige Sugi, Atsushi Fukui, Atsuro Nagumo
-
Patent number: 9382484Abstract: In the production method of monocyclic aromatic hydrocarbons, oil feedstock having a 10 volume % distillation temperature of 140° C. or higher and a 90 volume % distillation temperature of 380° C. or lower is brought into contact with a catalyst for producing monocyclic aromatic hydrocarbons that includes a mixture containing a first catalyst which contains crystalline aluminosilicate containing gallium and/or zinc and phosphorus and a second catalyst which contains crystalline aluminosilicate containing phosphorus.Type: GrantFiled: December 28, 2011Date of Patent: July 5, 2016Assignee: JX Nippon Oil & Energy CorporationInventors: Shinichiro Yanagawa, Masahide Kobayashi, Yasuyuki Iwasa, Ryoji Ida
-
Patent number: 9255042Abstract: A producing method of monocyclic aromatic hydrocarbons from the oil feedstock having a 10 volume % distillation temperature of more than or equal to 140° C. and a 90 volume % distillation temperature of less than or equal to 380° C. by bringing into contact with an aromatic production catalyst includes the steps of: introducing the oil feedstock into a cracking and reforming reaction apparatus housing the aromatic production catalyst; bringing the oil feedstock and the aromatic production catalyst into contact with each other at the inside of the cracking and reforming reaction apparatus; heating the oil feedstock in advance before introducing the oil feedstock into the cracking and reforming reaction apparatus and forming a two-phase gas-liquid stream; separating the two-phase gas-liquid stream into a gas fraction and a liquid fraction; and introducing the gas fraction and the liquid fraction at different positions of the cracking and reforming reaction apparatus.Type: GrantFiled: May 24, 2012Date of Patent: February 9, 2016Assignees: JX Nippon Oil & Energy Corporation, CHIYODA CORPORATIONInventors: Shinichiro Yanagawa, Yasuyuki Iwasa, Susumu Yasui, Yoshishige Sugi, Atsushi Fukui, Atsuro Nagumo
-
Publication number: 20160024400Abstract: The method for producing a monocyclic aromatic hydrocarbon includes a cracking and reforming reaction step in which a catalyst for producing a monocyclic aromatic hydrocarbon containing crystalline aluminosilicate which has been subjected to a heat treatment in an atmosphere containing water vapor in advance is loaded into a fixed-bed reactor, and a feedstock oil having a 10 volume % distillate temperature of 140° C. or higher and a 90 volume % distillate temperature of 390° C. or lower is brought into contact with the catalyst to cause a reaction, so as to obtain a product containing a monocyclic aromatic hydrocarbon having 6 to 8 carbon atoms.Type: ApplicationFiled: February 21, 2014Publication date: January 28, 2016Inventors: Yasuyuki IWASA, Shinichiro YANAGAWA, Masahide KOBAYASHI
-
Patent number: 9243192Abstract: A method for producing aromatic hydrocarbons by bringing a feedstock derived from a fraction containing a light cycle oil produced in a fluid catalytic cracking into contact with a catalyst containing a crystalline aluminosilicate, wherein the proportion of the naphthene content within the feedstock is adjusted so as to be greater than the proportion of the naphthene content in the fraction containing the light cycle oil, and the contact between the feedstock and the catalyst is performed under a pressure within a range from 0.1 MPaG to 1.0 MPaG.Type: GrantFiled: March 26, 2010Date of Patent: January 26, 2016Assignee: JX NIPPON OIL & ENERGY CORPORATIONInventors: Shinichiro Yanagawa, Yuko Aoki, Kazuaki Hayasaka
-
Patent number: 9233892Abstract: A method for producing monocyclic aromatic hydrocarbons includes a step of introducing a feedstock oil into a cracking/reforming reactor, bringing the feedstock oil into contact with a catalyst, and causing the feedstock oil to react, a step of purifying and recovering the monocyclic aromatic hydrocarbons separated from the product produced in the reaction step, a step of hydrogenating a heavy fraction separated from the product, and a recycling step of returning a hydrogenation reactant of the heavy fraction to the cracking/reforming reaction step. In the recycling step, the hydrogenation reactant is introduced at a location different from an introduction location of the feedstock oil into the reactor so that a time during which the hydrogenation reactant is in contact with the catalyst in the reactor becomes shorter than a time during which the feedstock oil is in contact with the catalyst in the reactor.Type: GrantFiled: March 23, 2012Date of Patent: January 12, 2016Assignees: JX Nippon Oil & Energy Corporation, CHIYODA CORPORATIONInventors: Shinichiro Yanagawa, Masahide Kobayashi, Ryoji Ida, Susumu Yasui, Yoshishige Sugi, Atsushi Fukui, Atsuro Nagumo
-
Patent number: 9200217Abstract: The present invention provides a method for producing a gas oil composition which contains a cracked base gas oil with a poor oxidation stability but is enhanced in oxidation stability resulting in less sludge or deposit formation. The method comprises blending 0.5 to 15 percent by volume of a cracked reformed base oil having a total aromatic content of 80 to 100 percent by volume, a bicyclic aromatic content of 40 to 95 percent by volume, a 10 vol. % distillation temperature of 160 to 250° C. and a 90 vol. % distillation temperature of 260 to 330° C. and 10 to 70 percent by volume of a cracked base gas oil thereby producing a gas oil composition with an induction period of 60 minutes or longer, a sulfur content of 10 ppm by mass or less and a cetane number of 45 or greater.Type: GrantFiled: May 14, 2012Date of Patent: December 1, 2015Assignee: JX Nippon Oil & Energy CorporationInventors: Shunta Sagawa, Yasuyuki Iwasa, Shinichiro Yanagawa
-
Publication number: 20150322352Abstract: A catalyst is provided for production of monocyclic aromatic hydrocarbons having a carbon number of 6 to 8 from feedstock in which a 10 vol % distillation temperature is 140° C. or higher and a 90 vol % distillation temperature is 380° C. or lower. The catalyst contains crystalline aluminosilicate including large-pore zeolite having a 12-membered ring structure, and intermediate-pore zeolite having a 10-membered ring structure.Type: ApplicationFiled: July 16, 2015Publication date: November 12, 2015Inventors: Shinichiro YANAGAWA, Masahide KOBAYASHI, Kazuaki HAYASAKA
-
METHOD FOR PRODUCING OLEFIN AND MONOCYCLIC AROMATIC HYDROCARBON AND APPARATUS FOR PRODUCING ETHYLENE
Publication number: 20150275102Abstract: A method for producing an olefin and a monocyclic aromatic hydrocarbon of the present invention includes a cracking and reforming reaction step of obtaining a product containing an olefin and a monocyclic aromatic hydrocarbon by bringing a feedstock oil which is a thermally-cracked heavy oil obtained from an apparatus for producing ethylene which includes a cracking furnace and a product collection device that separates and collects an olefin and an aromatic hydrocarbon from a cracked product produced in the cracking furnace and which has a 90 volume % distillate temperature, as a distillation characteristic, of 390° C. or lower into contact with a catalyst and reacting the feedstock oil; and a product collection step of collecting the olefin and the monocyclic aromatic hydrocarbon respectively by treating the product obtained in the cracking and reforming reaction step using the product collection device in the apparatus for producing ethylene.Type: ApplicationFiled: October 25, 2013Publication date: October 1, 2015Applicant: JX NIPPON OIL & ENERGY CORPORATIONInventors: Shinichiro Yanagawa, Masahide Kobayashi, Yukihiro Yoshiwara -
METHOD FOR PRODUCING OLEFIN AND MONOCYCLIC AROMATIC HYDROCARBON AND APPARATUS FOR PRODUCING ETHYLENE
Publication number: 20150275103Abstract: A method for producing an olefin and a monocyclic aromatic hydrocarbon of the present invention includes a dicyclopentadiene removal treatment step of removing dicyclopentadienes having a dicyclopentadiene skeleton from a feedstock oil which is a thermally-cracked heavy oil obtained from an apparatus for producing ethylene and which has a 90 volume % distillate temperature, as a distillation characteristic, of 390° C. or lower; and a cracking and reforming reaction step of obtaining a product containing an olefin and a monocyclic aromatic hydrocarbon by bringing the feedstock oil having a content of dicyclopentadienes adjusted to 10% by weight or less by treating a part or all of the feedstock oil through the dicyclopentadiene removal step into contact with a catalyst and reacting the feedstock oil.Type: ApplicationFiled: October 25, 2013Publication date: October 1, 2015Inventors: Shinichiro Yanagawa, Masahide Kobayashi, Yukihiro Yoshiwara, Ryoji Ida -
Publication number: 20150259610Abstract: A method for producing a monocyclic aromatic hydrocarbon of the present invention includes a cracking and reforming reaction step of obtaining a product containing a monocyclic aromatic hydrocarbon having 6 to 8 carbon atoms by bringing a feedstock oil having a 10 volume % distillate temperature of 140° C. or higher and a 90 volume % distillate temperature of 390° C. or lower and a saturated hydrocarbon having 1 to 3 carbon atoms into contact with a catalyst for producing a monocyclic aromatic hydrocarbon containing crystalline aluminosilicate, which is loaded into a fixed-bed reactor, and reacting the feedstock oil and the saturated hydrocarbon.Type: ApplicationFiled: October 25, 2013Publication date: September 17, 2015Inventors: Shinichiro Yanagawa, Masahide Kobayashi, Yukihiro Yoshiwara
-
Publication number: 20140364667Abstract: A catalyst for producing monocyclic aromatic hydrocarbons of 6 to 8 carbon number from a feedstock oil having a 10 volume % distillation temperature of at least 140° C. and an end point temperature of not more than 400° C., or a feedstock oil having a 10 volume % distillation temperature of at least 140° C. and a 90 volume % distillation temperature of not more than 360° C., wherein the catalyst contains a crystalline aluminosilicate, gallium and/or zinc, and phosphorus, and the amount of phosphorus supported on the crystalline aluminosilicate is within a range from 0.1 to 1.9% by mass based on the mass of the crystalline aluminosilicate; and a method for producing monocyclic aromatic hydrocarbons, the method involving bringing a feedstock oil having a 10 volume % distillation temperature of at least 140° C. and an end point temperature of not more than 400° C., or a feedstock oil having a 10 volume % distillation temperature of at least 140° C.Type: ApplicationFiled: August 25, 2014Publication date: December 11, 2014Applicant: JX Nippon Oil & Energy CorporationInventors: Shinichiro Yanagawa, Masahide Kobayashi, Yuko Aoki, Kazuaki Hayasaka
-
Publication number: 20140364666Abstract: A catalyst for producing monocyclic aromatic hydrocarbons, used for producing monocyclic aromatic hydrocarbons of 6 to 8 carbon number from a feedstock oil having a 10 volume % distillation temperature of at least 140° C. and an end point temperature of not more than 400° C., wherein the catalyst contains a crystalline aluminosilicate, gallium and/or zinc, and phosphorus, the molar ratio between silicon and aluminum (Si/Al ratio) in the crystalline aluminosilicate is not more than 100, the molar ratio between the phosphorus supported on the crystalline aluminosilicate and the aluminum of the crystalline aluminosilicate (P/Al ratio) is not less than 0.01 and not more than 1.0, and the amount of gallium and/or zinc is not more than 1.2% by mass based on the mass of the crystalline aluminosilicate.Type: ApplicationFiled: August 22, 2014Publication date: December 11, 2014Inventors: Shinichiro Yanagawa, Masahide Kobayashi, Yuko Aoki, Kazuaki Hayasaka
-
Publication number: 20140319023Abstract: The present invention provides a method for producing a gas oil composition which contains a cracked base gas oil with a poor oxidation stability but is enhanced in oxidation stability resulting in less sludge or deposit formation. The method comprises blending 0.5 to 15 percent by volume of a cracked reformed base oil having a total aromatic content of 80 to 100 percent by volume, a bicyclic aromatic content of 40 to 95 percent by volume, a 10 vol. % distillation temperature of 160 to 250° C. and a 90 vol. % distillation temperature of 260 to 330° C. and 10 to 70 percent by volume of a cracked base gas oil thereby producing a gas oil composition with an induction period of 60 minutes or longer, a sulfur content of 10 ppm by mass or less and a cetane number of 45 or greater.Type: ApplicationFiled: May 14, 2012Publication date: October 30, 2014Applicant: JX NIPPON OIL & ENERGY CORPORATIONInventors: Shunta Sagawa, Yasuyuki Iwasa, Shinichiro Yanagawa
-
Patent number: 8846995Abstract: A method for producing monocyclic aromatic hydrocarbons of 6 to 8 carbon number from a feedstock oil having a 10 volume % distillation temperature of at least 140° C. and a 90 volume % distillation temperature of not more than 380° C., the method including: a cracking and reforming reaction step of obtaining a product containing monocyclic aromatic hydrocarbons of 6 to 8 carbon number from the feedstock oil, a refining and collection step of refining and collecting monocyclic aromatic hydrocarbons of 6 to 8 carbon number that have been separated from the product, a hydrogenation reaction step of hydrogenating a heavy fraction of 9 or more carbon number separated from the product, and a recycling step of returning the heavy fraction hydrogenation reaction product obtained in the hydrogenation reaction step to the cracking and reforming reaction step.Type: GrantFiled: March 25, 2011Date of Patent: September 30, 2014Assignee: JX Nippon Oil & Energy CorporationInventors: Shinichiro Yanagawa, Masahide Kobayashi
-
Publication number: 20140221714Abstract: A method for producing xylene from feedstock oil includes a cracking/reforming reaction step of bringing the feedstock oil into contact with a catalyst to produce monocyclic aromatic hydrocarbons; a separation/recovery step of separating and recovering, from a product obtained by the cracking/reforming reaction step, a fraction A containing monocyclic aromatic hydrocarbons having a 10 vol % distillation temperature of 75° C. or higher and a 90 vol % distillation temperature of 140° C. or lower, a xylene fraction containing xylene, and a fraction B containing monocyclic aromatic hydrocarbons having a 10 vol % distillation temperature of 145° C. or higher and a 90 vol % distillation temperature of 215° C. or lower; and a xylene conversion step of bringing a mixed fraction obtained by mixing the fractions A and B with each other into contact with a catalyst containing a solid acid to convert the mixed fraction into xylene.Type: ApplicationFiled: May 24, 2012Publication date: August 7, 2014Applicants: CHIYODA CORPORATION, JX NIPPON OIL & ENERGY CORPORATIONInventors: Shinichiro Yanagawa, Yuichiro Fujiyama, Yasuyuki Iwasa, Ryoji Ida, Susumu Yasui, Yoshishige Sugi, Atsushi Fukui, Akira Utatsu
-
Publication number: 20140200377Abstract: The present method for producing monocyclic aromatic hydrocarbons is a method for producing monocyclic aromatic hydrocarbons having 6 to 8 carbon atoms. This method includes a cracking and reforming reaction step of bringing oil feedstock into contact with a catalyst to cause a reaction and obtain a product containing monocyclic aromatic hydrocarbons having 6 to 8 carbon atoms and a heavy fraction having 9 or more carbon atoms, a purification and recovery step of purifying and recovering the monocyclic aromatic hydrocarbons having 6 to 8 carbon atoms separated from the product formed by the cracking and reforming reaction step, and a first returning step of returning at least a portion of toluene obtained by the purification and recovery step to the cracking and reforming reaction step.Type: ApplicationFiled: May 24, 2012Publication date: July 17, 2014Applicants: CHIYODA CORPORATION, JX NIPPON OIL & ENERGY CORPORATIONInventors: Shinichiro Yanagawa, Yasuyuki Iwasa, Ryoji Ida, Masahide Kobayashi, Susumu Yasui, Yoshishige Sugi, Atsushi Fukui, Akira Utatsu