KR20160025005A - 배기 가스 정화용 촉매 - Google Patents
배기 가스 정화용 촉매 Download PDFInfo
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- KR20160025005A KR20160025005A KR1020167002262A KR20167002262A KR20160025005A KR 20160025005 A KR20160025005 A KR 20160025005A KR 1020167002262 A KR1020167002262 A KR 1020167002262A KR 20167002262 A KR20167002262 A KR 20167002262A KR 20160025005 A KR20160025005 A KR 20160025005A
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- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/56—Platinum group metals
- B01J23/64—Platinum group metals with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/648—Vanadium, niobium or tantalum or polonium
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- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/9445—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
- B01D53/945—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific catalyst
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- B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
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- B01J23/20—Vanadium, niobium or tantalum
- B01J23/22—Vanadium
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- B01J23/46—Ruthenium, rhodium, osmium or iridium
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- B01J23/64—Platinum group metals with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/648—Vanadium, niobium or tantalum or polonium
- B01J23/6482—Vanadium
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- B01J23/56—Platinum group metals
- B01J23/64—Platinum group metals with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/648—Vanadium, niobium or tantalum or polonium
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- B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/56—Platinum group metals
- B01J23/64—Platinum group metals with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/648—Vanadium, niobium or tantalum or polonium
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- B01J35/19—Catalysts containing parts with different compositions
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- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/0234—Impregnation and coating simultaneously
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- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/024—Multiple impregnation or coating
- B01J37/0244—Coatings comprising several layers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
- F01N3/28—Construction of catalytic reactors
- F01N3/2803—Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support
- F01N3/2807—Metal other than sintered metal
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- B01D2255/1021—Platinum
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Abstract
Description
도 2 는 배기 가스 정화용 촉매의 단면도의 일부를 나타낸다.
도 3 은 배기 가스 정화용 촉매의 단면도의 일부를 나타낸다.
도 4 는 배기 가스 정화용 촉매의 단면도의 일부를 나타낸다.
도 5 는 배기 가스 정화용 촉매의 단면도의 일부를 나타낸다.
도 6 은 하류 촉매층 중의 V2O5 와 알루미나의 비율과 정화 성능과의 관계를 나타낸다.
도 7 은 하류 촉매층 중의 OSC 재료와 알루미나의 비율과 정화 성능과의 관계를 나타낸다.
도 8 은 상류 촉매층과 하류 촉매층의 길이의 비율과 정화 성능과의 관계를 나타낸다.
본 명세서에서 인용한 모든 간행물을 그대로 참고로 하여 본 명세서에 받아들이는 것으로 한다.
Claims (5)
- 기재와 당해 기재 상에 배치된 촉매층을 포함하고,
당해 촉매층이 바나듐, 니오브 및 탄탈로 이루어지는 군에서 선택되는 적어도 1 종과 백금 및/또는 팔라듐을 함유하는 배기 가스 정화용 촉매. - 제 1 항에 있어서,
상기 촉매층이 상류 촉매층과 하류 촉매층을 포함하는 하층 촉매층을 포함하고,
당해 상류 촉매층이, 배기 가스의 흐름 방향에 있어서 당해 하류 촉매층의 상류측에 위치하고,
당해 상류 촉매층이 상기 백금 및/또는 팔라듐을 함유하고,
당해 하류 촉매층이 상기 바나듐, 니오브 및 탄탈로 이루어지는 군에서 선택되는 적어도 1 종을 함유하는 배기 가스 정화용 촉매. - 제 2 항에 있어서,
상기 촉매층이 상기 하층 촉매층 상에 배치된 상층 촉매층을 추가로 포함하고,
당해 상층 촉매층이 로듐을 함유하는 배기 가스 정화용 촉매. - 제 1 항에 있어서,
상기 촉매층이 로듐을 추가로 함유하는 배기 가스 정화용 촉매. - 제 4 항에 있어서,
상기 촉매층이 상기 기재 상에 배치된 하층 촉매층과, 당해 하층 촉매층 상에 배치된 상층 촉매층을 포함하고,
당해 하층 촉매층이 상기 바나듐, 니오브 및 탄탈로 이루어지는 군에서 선택되는 적어도 1 종과 상기 백금 및/또는 팔라듐을 함유하고,
당해 상층 촉매층이 상기 로듐을 함유하는 배기 가스 정화용 촉매.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013144858 | 2013-07-10 | ||
JPJP-P-2013-144858 | 2013-07-10 | ||
PCT/JP2014/068423 WO2015005423A1 (ja) | 2013-07-10 | 2014-07-10 | 排気ガス浄化用触媒 |
Publications (2)
Publication Number | Publication Date |
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KR20160025005A true KR20160025005A (ko) | 2016-03-07 |
KR101772346B1 KR101772346B1 (ko) | 2017-08-28 |
Family
ID=52280101
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020167002262A Expired - Fee Related KR101772346B1 (ko) | 2013-07-10 | 2014-07-10 | 배기 가스 정화용 촉매 |
Country Status (6)
Country | Link |
---|---|
US (1) | US9616410B2 (ko) |
EP (1) | EP3020474A4 (ko) |
JP (1) | JP6041988B2 (ko) |
KR (1) | KR101772346B1 (ko) |
CN (1) | CN105377421B (ko) |
WO (1) | WO2015005423A1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2020076008A1 (ko) * | 2018-10-11 | 2020-04-16 | 희성촉매 주식회사 | 고유황 경유를 사용하는 대형 디젤 엔진의 배기가스 처리용 촉매복합체 |
Families Citing this family (11)
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EP3434363B1 (en) * | 2016-03-22 | 2021-01-13 | Cataler Corporation | Exhaust gas purifying catalyst |
WO2017204008A1 (ja) * | 2016-05-24 | 2017-11-30 | 株式会社キャタラー | 排ガス浄化用触媒 |
GB2560941A (en) * | 2017-03-29 | 2018-10-03 | Johnson Matthey Plc | NOx Adsorber catalyst |
GB2560942A (en) * | 2017-03-29 | 2018-10-03 | Johnson Matthey Plc | NOx Adsorber catalyst |
GB2560940A (en) * | 2017-03-29 | 2018-10-03 | Johnson Matthey Plc | Three layer NOx Adsorber catalyst |
JP6408062B1 (ja) * | 2017-04-28 | 2018-10-17 | 株式会社キャタラー | 排ガス浄化用触媒 |
EP3616791A4 (en) * | 2017-04-28 | 2021-01-06 | Umicore Shokubai Japan Co., Ltd. | EXHAUST GAS PURIFICATION CATALYZER AND EXHAUST GAS PURIFICATION METHOD USING IT |
JP6865664B2 (ja) * | 2017-09-25 | 2021-04-28 | 株式会社キャタラー | 排ガス浄化用酸化触媒装置 |
JP7195995B2 (ja) | 2019-03-27 | 2022-12-26 | 株式会社キャタラー | 排ガス浄化用触媒 |
JP7600910B2 (ja) * | 2021-07-06 | 2024-12-17 | トヨタ自動車株式会社 | 排ガス浄化用触媒 |
WO2025083918A1 (ja) * | 2023-10-19 | 2025-04-24 | 株式会社キャタラー | 排ガス浄化触媒装置 |
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JP5492448B2 (ja) * | 2009-04-28 | 2014-05-14 | 株式会社キャタラー | 排ガス浄化用触媒 |
EP2335808B1 (de) * | 2009-12-21 | 2015-06-03 | Bernhard Kahlert | NO2 Sperrkatalysator |
JP5903205B2 (ja) * | 2010-01-04 | 2016-04-13 | 株式会社キャタラー | 排ガス浄化用触媒 |
US8557204B2 (en) * | 2010-11-22 | 2013-10-15 | Umicore Ag & Co. Kg | Three-way catalyst having an upstream single-layer catalyst |
JP5887671B2 (ja) | 2012-01-16 | 2016-03-16 | 地方独立行政法人北海道立総合研究機構 | 前屈作業補助用具 |
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2014
- 2014-07-10 US US14/903,419 patent/US9616410B2/en not_active Expired - Fee Related
- 2014-07-10 CN CN201480039202.5A patent/CN105377421B/zh not_active Expired - Fee Related
- 2014-07-10 EP EP14823613.6A patent/EP3020474A4/en not_active Withdrawn
- 2014-07-10 KR KR1020167002262A patent/KR101772346B1/ko not_active Expired - Fee Related
- 2014-07-10 WO PCT/JP2014/068423 patent/WO2015005423A1/ja active Application Filing
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JP2008238069A (ja) | 2007-03-28 | 2008-10-09 | Babcock Hitachi Kk | 排ガスの浄化装置及び排ガスの浄化方法,浄化触媒 |
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WO2020076008A1 (ko) * | 2018-10-11 | 2020-04-16 | 희성촉매 주식회사 | 고유황 경유를 사용하는 대형 디젤 엔진의 배기가스 처리용 촉매복합체 |
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CN105377421B (zh) | 2018-08-24 |
EP3020474A4 (en) | 2017-04-26 |
US9616410B2 (en) | 2017-04-11 |
WO2015005423A1 (ja) | 2015-01-15 |
US20160151764A1 (en) | 2016-06-02 |
JP6041988B2 (ja) | 2016-12-14 |
CN105377421A (zh) | 2016-03-02 |
JPWO2015005423A1 (ja) | 2017-03-02 |
EP3020474A8 (en) | 2016-08-17 |
EP3020474A1 (en) | 2016-05-18 |
KR101772346B1 (ko) | 2017-08-28 |
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