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公开(公告)号:AU668614B2
公开(公告)日:1996-05-09
申请号:AU5266093
申请日:1993-12-22
Applicant: TOSOH CORP
Inventor: MIURA HIROSHI , KASAHARA SENSHI , AOYAMA HIDEKAZU , SEKIZAWA KAZUHIKO , ADACHI SHOJI
Abstract: Nitrogen oxides are removed from an oxygen rich exhaust gas containing nitrogen oxides and hydrocarbons by bringing the oxygen rich exhaust gas into contact with a catalyst composed of phosphorus and at least one active metal contained in a zeolite having a molar ratio of SiO2/Al2O3 of at least 15.
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公开(公告)号:DE69401036T2
公开(公告)日:1997-04-10
申请号:DE69401036
申请日:1994-06-23
Applicant: TOSOH CORP
Inventor: MIURA HIROSHI , KASAHARA SENSHI , AOYAMA HIDEKAZU , SEKIZAWA KAZUHIKO
Abstract: A method for removing nitrogen oxides from an oxygen-rich exhaust gas containing nitrogen oxides and hydrocarbons comprising bringing the oxygen-rich exhaust gas into contact with a catalyst comprising (1)(i) a zeolite containing an apatite compound and having an SiO2/Al2O3 molar ratio of at least 15 and (ii) at least one active metal or (2)(ii) a zeolite containing an apatite compound and having an SiO2/Al2O3 molar ratio of at least 15, (ii) an alkaline earth metal and (iii) at least one active metal.
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公开(公告)号:DE69401036D1
公开(公告)日:1997-01-16
申请号:DE69401036
申请日:1994-06-23
Applicant: TOSOH CORP
Inventor: MIURA HIROSHI , KASAHARA SENSHI , AOYAMA HIDEKAZU , SEKIZAWA KAZUHIKO
Abstract: A method for removing nitrogen oxides from an oxygen-rich exhaust gas containing nitrogen oxides and hydrocarbons comprising bringing the oxygen-rich exhaust gas into contact with a catalyst comprising (1)(i) a zeolite containing an apatite compound and having an SiO2/Al2O3 molar ratio of at least 15 and (ii) at least one active metal or (2)(ii) a zeolite containing an apatite compound and having an SiO2/Al2O3 molar ratio of at least 15, (ii) an alkaline earth metal and (iii) at least one active metal.
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公开(公告)号:CA2112190A1
公开(公告)日:1994-06-25
申请号:CA2112190
申请日:1993-12-22
Applicant: TOSOH CORP
Inventor: MIURA HIROSHI , KASAHARA SENSHI , AOYAMA HIDEKAZU , SEKIZAWA KAZUHIKO , ADACHI SHOJI
Abstract: Nitrogen oxides are removed from an oxygen rich exhaust gas containing nitrogen oxides and hydrocarbons by bringing the oxygen rich exhaust gas into contact with a catalyst composed of phosphorus and at least one active metal contained in a zeolite having a molar ratio of SiO2/Al2O3 of at least 15.
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公开(公告)号:CA2822788C
公开(公告)日:2018-11-13
申请号:CA2822788
申请日:2011-12-22
Applicant: TOSOH CORP
Inventor: ARIGA KO , AOYAMA HIDEKAZU , ITO YUUKI
IPC: C01B39/48
Abstract: The chabazite-type zeolite of the present invention has a SiO2/Al2O3 molar ratio of less than 15, and an average particle size from 1.0 µm to 8.0 µm. The chabazite-type zeolite of the present invention has excellent durability and heat resistance, and the copper- loaded chabazite-type zeolite has an improved NOx reduction rate at low temperatures compared to conventional copper- loaded chabazite-type zeolite.
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公开(公告)号:MX2013007022A
公开(公告)日:2013-12-06
申请号:MX2013007022
申请日:2011-12-22
Applicant: TOSOH CORP
Inventor: ITO YUUKI , ARIGA KO , AOYAMA HIDEKAZU
IPC: C01B39/48
Abstract: La zeolita tipo chabazita de la presente invención tiene una proporción molar de SiO2/Al2O3 de menos de 15, y un tamaño de partículas promedio desde 1.0 µm al 8.0 µm. La zeolita tipo chabazita de la presente invención tiene excelentes durabilidad y resistencia térmica, y la zeolita tipo chabazita cargada con cobre tiene una mejorada proporción de reducción de NOx a bajas temperaturas en comparación con zeolita tipo chabazita cargada con cobre convencional.
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公开(公告)号:MY184911A
公开(公告)日:2021-04-30
申请号:MYPI2018000189
申请日:2016-08-09
Applicant: TOSOH CORP
Inventor: ISHIKAWA TOMOYA , AOYAMA HIDEKAZU , YOSHIMITSU MITSUAKI , MAEHAMA SEIJI , MISHIMA TAKAYOSHI , TAKAMITSU YASUYUKI
Abstract: Provided is a production method by which an AEI zeolite is obtained without inducing a structural transformation in a crystalline aluminosilicate having a Y-structure and without using fluorine or phosphorus, the method including a crystallization step of crystallizing a composition containing an alumina source, a silica source, a structure directing agent, a sodium source, and water, a weight proportion of crystalline aluminosilicate relative to a total weight of the alumina source and the silica source being from 0 wt.% to 1 0 wt.%, and the crystallization step satisfying at least one of the following conditions: a molar ratio of hydroxide ion to silica in the composition is 0.45 or greater, the composition contains a cation represented by (CHJ)JRN+ (R represents an alkyl group having from l to 4 carbons, and the alkyl group may contain at least one substituent), and the crystallization time is 80 hours or longer.
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公开(公告)号:BR112013015583A2
公开(公告)日:2016-10-11
申请号:BR112013015583
申请日:2011-12-22
Applicant: TOSOH CORP
Inventor: AOYAMA HIDEKAZU , ARIGA KO , ITO YUUKI
IPC: C01B39/48
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公开(公告)号:CA2822788A1
公开(公告)日:2012-06-28
申请号:CA2822788
申请日:2011-12-22
Applicant: TOSOH CORP
Inventor: ARIGA KO , AOYAMA HIDEKAZU , ITO YUUKI
IPC: C01B39/48
Abstract: The chabazite type zeolite of the present invention has an SiO2/Al2O3 mol ratio of less than 15, and an average particle size of at least 1.0 µm and no more than 8.0 µm. The chabazite type zeolite of the present invention has outstanding durability and heat resistance, and, in addition, copper-carrying chabazite type zeolite raised the reduction percentage of NOx at low temperatures compared with prior copper-carrying chabazite type zeolite.
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公开(公告)号:DE69319707T2
公开(公告)日:1999-02-04
申请号:DE69319707
申请日:1993-12-23
Applicant: TOSOH CORP
Inventor: MIURA HIROSHI , KASAHARA SENSHI , AOYAMA HIDEKAZU , SEKIZAWA KAZUHIKO , ADACHI SHOJI
IPC: B01D53/94 , B01J29/072 , B01J27/18 , B01J27/185
Abstract: Nitrogen oxides are removed from an oxygen rich exhaust gas containing nitrogen oxides and hydrocarbons by bringing the oxygen rich exhaust gas into contact with a catalyst composed of phosphorus and at least one active metal contained in a zeolite having a molar ratio of SiO2/Al2O3 of at least 15.
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