Patents by Inventor Naoe Hino
Naoe Hino 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).
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Publication number: 20200254424Abstract: Provided are a mercury oxidation catalyst support structure with which a mercury oxidation reaction can be carried out while inhibiting the oxidation reaction for SO2 included in exhaust gas and a method for manufacturing the same. This mercury oxidation catalyst structure is characterized by vanadium being unevenly supported on the surface of the support structure. The method for manufacturing the mercury oxidation catalyst structure includes a step of incorporating an inactive support throughout from the inside to the surface of the structure using an inactive support-containing liquid and a step of immersing the structure having been subjected to the step in a liquid containing vanadium or applying the same liquid to the surface of the same structure, followed by drying and calcinating, thereby supporting vanadium on the inactive support present in the surface of the structure.Type: ApplicationFiled: October 5, 2017Publication date: August 13, 2020Inventors: Tsugumi NISHI, Emi SHONO, Susumu HIKAZUDANI, Naoe HINO
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Patent number: 10449493Abstract: A processing apparatus equipped with a catalyst-supporting honeycomb structure, which is characterized in that corrugated plate-like glass fiber papers having a functional catalyst supported thereon and flat plate-like glass fiber papers having the same functional catalyst supported thereon are alternately laminated without being bonded to each other, to form a catalyst-supporting honeycomb structure, and this catalyst-supporting honeycomb structure is packed in a casing.Type: GrantFiled: July 17, 2018Date of Patent: October 22, 2019Assignee: Hitachi Zosen CorporationInventors: Susumu Hikazudani, Naoe Hino, Seigo Yamamoto, Kana Shimizu
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Publication number: 20190193054Abstract: For a denitration catalyst used for a denitration treatment of a combustion exhaust gas, for example, from a coal-fired boiler or the like, such a denitration catalyst is provided that has a sufficient mechanical strength capable of retaining the catalyst shape, has a better catalyst performance than the ordinary denitration catalyst containing crystals of zirconium oxide, is low in production cost. In the denitration catalyst comprising, as a base material, a honeycomb structure consisting of an inorganic fiber sheet, titania, vanadium oxide and/or tungsten oxide, and a zirconium compound (except for crystalline zirconium dioxide) as a shape-retaining binder are supported on the honeycomb structure.Type: ApplicationFiled: March 4, 2019Publication date: June 27, 2019Inventors: Susumu Hikazudani, Naoe Hino, Seigo Yamamoto
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Patent number: 10138787Abstract: To provide a treatment device equipped with a catalyst-supporting honeycomb structure, the device being for use in, for example, an exhaust gas purification treatment, hydrogen production by ammonia decomposition or the like, and a method for producing the same. The catalyst-supporting honeycomb structure is produced by forming the inorganic binder-containing functional catalyst-supporting corrugated glass paper without removing an organic binder originally contained in the glass paper and by using the corrugated glass paper in combination with the inorganic binder-containing functional catalyst-supporting flat glass paper.Type: GrantFiled: September 24, 2013Date of Patent: November 27, 2018Assignee: Hitachi Zosen CorporationInventors: Seigo Yamamoto, Susumu Hikazudani, Naoe Hino, Fumiya Tubo, Tetsuo Kodama, Shunsuke Hiraiwa, Ryoichi Koumaru
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Publication number: 20180318762Abstract: A processing apparatus equipped with a catalyst-supporting honeycomb structure, which is characterized in that corrugated plate-like glass fiber papers having a functional catalyst supported thereon and flat plate-like glass fiber papers having the same functional catalyst supported thereon are alternately laminated without being bonded to each other, to form a catalyst-supporting honeycomb structure, and this catalyst-supporting honeycomb structure is packed in a casing.Type: ApplicationFiled: July 17, 2018Publication date: November 8, 2018Inventors: Susumu Hikazudani, Naoe Hino, Seigo Yamamoto, Kana Shimizu
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Patent number: 10052586Abstract: A processing apparatus equipped with a catalyst-supporting honeycomb structure, which is characterized in that corrugated plate-like glass fiber papers having a functional catalyst supported thereon and flat plate-like glass fiber papers having the same functional catalyst supported thereon are alternately laminated without being bonded to each other, to form a catalyst-supporting honeycomb structure, and this catalyst-supporting honeycomb structure is packed in a casing.Type: GrantFiled: December 4, 2012Date of Patent: August 21, 2018Assignee: Hitachi Zosen CorporationInventors: Susumu Hikazudani, Naoe Hino, Seigo Yamamoto, Kana Shimizu
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Patent number: 9802179Abstract: A method for processing an edge of a catalyst-supporting honeycomb structure in an exhaust gas denitration apparatus, in which an exhaust gas denitration apparatus equipped with a denitration catalyst-supporting honeycomb structure in which a corrugated plate-like inorganic fiber sheet and a flat plate-like inorganic fiber sheet, each supporting thereon a denitration catalyst containing a silica sol, titania particles, and ammonium metavanadate as a whole primary denitration catalyst layer, are alternately laminated, the edge of gas inlet side of the denitration catalyst-supporting honeycomb structure having the whole primary denitration catalyst layer is dipped in a denitration catalyst-containing slurry for edge processing composed of a silica sol, titania particles or kaolin particles, and ammonium metatungstate to form a coating layer of the denitration catalyst-containing slurry in the edge of the honeycomb structure, and this is dried and then calcinated to form an edge secondary denitration catalyst laType: GrantFiled: December 17, 2012Date of Patent: October 31, 2017Assignee: Hitachi Zosen CorporationInventors: Seigo Yamamoto, Susumu Hikazudani, Naoe Hino, Kana Shimizu
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Patent number: 9802155Abstract: The present invention provide a method for purifying exhaust gas in which nitrogen oxides (NOx) gas is removed from a combustion exhaust gas. The method for purifying exhaust gas according to the invention is characterized in that water vapor is further added to raw exhaust gas to be processed to increase the water vapor concentration in the exhaust gas and the resulting moisture-adjusted exhaust gas is introduced into a denitration catalyst layer. The water vapor concentration in the moisture-adjusted exhaust gas is preferably 22.0% by volume or less in the total of the water vapor originally contained in the raw exhaust gas and the added water vapor.Type: GrantFiled: July 18, 2014Date of Patent: October 31, 2017Assignee: Hitachi Zosen CorporationInventors: Tsugumi Nishi, Naoe Hino, Seigo Yamamoto, Susumu Hikazudani
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Publication number: 20160271587Abstract: For a denitration catalyst used for a denitration treatment of a combustion exhaust gas, for example, from a coal-fired boiler or the like, such a denitration catalyst is provided that has a sufficient mechanical strength capable of retaining the catalyst shape, has a better catalyst performance than the ordinary denitration catalyst containing crystals of zirconium oxide, is low in production cost. In the denitration catalyst comprising, as a base material, a honeycomb structure consisting of an inorganic fiber sheet, titania, vanadium oxide and/or tungsten oxide, and a zirconium compound (except for crystalline zirconium dioxide) as a shape-retaining binder are supported on the honeycomb structure.Type: ApplicationFiled: November 17, 2014Publication date: September 22, 2016Inventors: Susumu Hikazudani, Naoe Hino, Seigo Yamamoto
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Patent number: 9399207Abstract: Provided is a preparation method of a denitration catalyst for treating nitrogen oxides contained in exhaust gas discharged from gas turbines for generating plants, coil fired boilers, etc., in which the catalytic activity can be improved, and furthermore, an increase of the cost of producing the catalyst is not involved. The preparation method of a denitration catalyst used when reacting nitrogen oxides with reducing agent ammonia to decompose the nitrogen oxides into nitrogen and water, and including titanium oxide and vanadium as catalytic active ingredients thereof, is characterized in that the vanadium precursor is ammonium metavanadate powder, the ammonium metavanadate powder containing particles having a particle diameter of 10 ?m or less in a cumulative ratio of 20% or more. The ammonium metavanadate powder is preferably a reclaimed product including vanadium recovered from petroleum-based combustion ash such as heavy oil ash.Type: GrantFiled: February 2, 2012Date of Patent: July 26, 2016Assignee: Hitachi Zosen CorporationInventors: Susumu Hikazudani, Naoe Hino
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Publication number: 20160166989Abstract: The present invention provide a method for purifying exhaust gas in which nitrogen oxides (NOx) gas is removed from a combustion exhaust gas. The method for purifying exhaust gas according to the invention is characterized in that water vapor is further added to raw exhaust gas to be processed to increase the water vapor concentration in the exhaust gas and the resulting moisture-adjusted exhaust gas is introduced into a denitration catalyst layer. The water vapor concentration in the moisture-adjusted exhaust gas is preferably 22.0% by volume or less in the total of the water vapor originally contained in the raw exhaust gas and the added water vapor.Type: ApplicationFiled: July 18, 2014Publication date: June 16, 2016Applicant: HITACHI ZOSEN CORPORATIONInventors: Tsugumi Nishi, Naoe Hino, Seigo Yamamoto, Susumu Hikazudani
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TREATMENT DEVICE EQUPPED WITH CATALYST-SUPPORTING HONEYCOMB STRUCTURE, AND METHOD FOR PRODUCING SAME
Publication number: 20150330280Abstract: To provide a treatment device equipped with a catalyst-supporting honeycomb structure, the device being for use in, for example, an exhaust gas purification treatment, hydrogen production by ammonia decomposition or the like, and a method for producing the same. The catalyst-supporting honeycomb structure is produced by forming the inorganic binder-containing functional catalyst-supporting corrugated glass paper without removing an organic binder originally contained in the glass paper and by using the corrugated glass paper in combination with the inorganic binder-containing functional catalyst-supporting flat glass paper.Type: ApplicationFiled: September 24, 2013Publication date: November 19, 2015Applicant: Hitachi Zosen CorporationInventors: Seigo Yamamoto, Susumu Hikazudani, Naoe Hino, Fumiya Tubo, Tetsuo Kodama, Shunsuke Hiraiwa, Ryoichi Koumaru -
Publication number: 20150037222Abstract: A processing apparatus equipped with a catalyst-supporting honeycomb structure, which is characterized in that corrugated plate-like glass fiber papers having a functional catalyst supported thereon and flat plate-like glass fiber papers having the same functional catalyst supported thereon are alternately laminated without being bonded to each other, to form a catalyst-supporting honeycomb structure, and this catalyst-supporting honeycomb structure is packed in a casing.Type: ApplicationFiled: December 4, 2012Publication date: February 5, 2015Inventors: Susumu Hikazudani, Naoe Hino, Seigo Yamamoto, Kana Shimizu
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Publication number: 20150011379Abstract: A method for processing an edge of a catalyst-supporting honeycomb structure in an exhaust gas denitration apparatus, in which an exhaust gas denitration apparatus equipped with a denitration catalyst-supporting honeycomb structure in which a corrugated plate-like inorganic fiber sheet and a flat plate-like inorganic fiber sheet, each supporting thereon a denitration catalyst containing a silica sol, titania particles, and ammonium metavanadate as a whole primary denitration catalyst layer, are alternately laminated, the edge of gas inlet side of the denitration catalyst-supporting honeycomb structure having the whole primary denitration catalyst layer is dipped in a denitration catalyst-containing slurry for edge processing composed of a silica sol, titania particles or kaolin particles, and ammonium metatungstate to form a coating layer of the denitration catalyst-containing slurry in the edge of the honeycomb structure, and this is dried and then calcinated to form an edge secondary denitration catalyst laType: ApplicationFiled: December 17, 2012Publication date: January 8, 2015Applicant: HITACHI ZOSEN CORPORATIONInventors: Seigo Yamamoto, Susumu Hikazudani, Naoe Hino, Kana Shimizu
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Publication number: 20140018236Abstract: Provided is a preparation method of a denitration catalyst for treating nitrogen oxides contained in exhaust gas discharged from gas turbines for generating plants, coil fired boilers, etc., in which the catalytic activity can be improved, and furthermore, an increase of the cost of producing the catalyst is not involved. The preparation method of a denitration catalyst used when reacting nitrogen oxides with reducing agent ammonia to decompose the nitrogen oxides into nitrogen and water, and including titanium oxide and vanadium as catalytic active ingredients thereof, is characterized in that the vanadium precursor is ammonium metavanadate powder, the ammonium metavanadate powder containing particles having a particle diameter of 10 ?m or less in a cumulative ratio of 20% or more. The ammonium metavanadate powder is preferably a reclaimed product including vanadium recovered from petroleum-based combustion ash such as heavy oil ash.Type: ApplicationFiled: February 2, 2012Publication date: January 16, 2014Applicant: HITACHI ZOSEN CORPORATIONInventors: Susumu Hikazudani, Naoe Hino
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Patent number: 8133833Abstract: Disclosed are a slurry for the production of a denitration catalyst, which allows a catalytically active component to be present in the inner region of a ceramic fiber sheet so as to achieve extension of the catalyst life and also allows the production process to be shortened so as to reduce the production cost; a process for producing the slurry; a process for producing a denitration catalyst using the slurry; and a denitration catalyst produced by the process. The slurry of the invention for producing a denitration catalyst comprises a silica sol, titania particles, metavanadic acid particles supported on the titania particles, metatungstic acid particles, and an organic acid ammonium salt.Type: GrantFiled: February 16, 2009Date of Patent: March 13, 2012Assignee: Hitachi Zosen CorporationInventors: Susumu Hikazudani, Naoe Hino
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Publication number: 20110028309Abstract: Disclosed are a slurry for the production of a denitration catalyst, which allows a catalytically active component to be present in the inner region of a ceramic fiber sheet so as to achieve extension of the catalyst life and also allows the production process to be shortened so as to reduce the production cost; a process for producing the slurry; a process for producing a denitration catalyst using the slurry; and a denitration catalyst produced by the process. The slurry of the invention for producing a denitration catalyst comprises a silica sol, titania particles, metavanadic acid particles supported on the titania particles, metatungstic acid particles, and an organic acid ammonium salt.Type: ApplicationFiled: February 16, 2009Publication date: February 3, 2011Inventors: Susumu Hikazudani, Naoe Hino