TWI883962B - 用於合併微粒移除以及氮氧化物的選擇性催化還原(scr)之催化劑陶瓷燭式過濾器 - Google Patents
用於合併微粒移除以及氮氧化物的選擇性催化還原(scr)之催化劑陶瓷燭式過濾器 Download PDFInfo
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- TWI883962B TWI883962B TW113118447A TW113118447A TWI883962B TW I883962 B TWI883962 B TW I883962B TW 113118447 A TW113118447 A TW 113118447A TW 113118447 A TW113118447 A TW 113118447A TW I883962 B TWI883962 B TW I883962B
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- oxide
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- 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
- B01J23/20—Vanadium, niobium or tantalum
- B01J23/22—Vanadium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- 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
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
- B01D53/56—Nitrogen oxides
- B01D53/565—Nitrogen oxides by treating the gases with solids
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- 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
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8621—Removing nitrogen compounds
- B01D53/8625—Nitrogen oxides
- B01D53/8628—Processes characterised by a specific catalyst
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- 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
- B01D53/9404—Removing only nitrogen compounds
- B01D53/9409—Nitrogen oxides
- B01D53/9413—Processes characterised by a specific catalyst
- B01D53/9418—Processes characterised by a specific catalyst for removing nitrogen oxides by selective catalytic reduction [SCR] using a reducing agent in a lean exhaust gas
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- 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
- B01D53/9459—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts
- B01D53/9463—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts with catalysts positioned on one brick
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
- B01J21/063—Titanium; Oxides or hydroxides thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/85—Chromium, molybdenum or tungsten
- B01J23/88—Molybdenum
- B01J23/887—Molybdenum containing in addition other metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/8877—Vanadium, tantalum, niobium or polonium
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- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/33—Electric or magnetic properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/40—Catalysts, in general, characterised by their form or physical properties characterised by dimensions, e.g. grain size
- B01J35/45—Nanoparticles
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
- B01J35/58—Fabrics or filaments
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
- B01J37/0027—Powdering
- B01J37/0036—Grinding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/0201—Impregnation
- B01J37/0203—Impregnation the impregnation liquid containing organic compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/0215—Coating
- B01J37/0219—Coating the coating containing organic compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- 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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- 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
- B01J37/0248—Coatings comprising impregnated particles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/08—Heat treatment
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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
- F01N3/18—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 methods of operation; Control
- F01N3/20—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 methods of operation; Control specially adapted for catalytic conversion
- F01N3/206—Adding periodically or continuously substances to exhaust gases for promoting purification, e.g. catalytic material in liquid form, NOx reducing agents
- F01N3/2066—Selective catalytic reduction [SCR]
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/206—Ammonium compounds
- B01D2251/2062—Ammonia
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20707—Titanium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20723—Vanadium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
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- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20776—Tungsten
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/40—Catalysts, in general, characterised by their form or physical properties characterised by dimensions, e.g. grain size
-
- 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
- F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
- F01N2570/14—Nitrogen oxides
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- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Toxicology (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP19171394.0A EP3730210A1 (en) | 2019-04-26 | 2019-04-26 | Catalyst ceramic candle filter for combined particulate removal and the selective catalytic reduction (scr) of nitrogen-oxides |
| EP19171394.0 | 2019-04-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW202434360A TW202434360A (zh) | 2024-09-01 |
| TWI883962B true TWI883962B (zh) | 2025-05-11 |
Family
ID=72560275
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW113118447A TWI883962B (zh) | 2019-04-26 | 2019-08-28 | 用於合併微粒移除以及氮氧化物的選擇性催化還原(scr)之催化劑陶瓷燭式過濾器 |
| TW108130821A TWI881950B (zh) | 2019-04-26 | 2019-08-28 | 用於合併微粒移除以及氮氧化物的選擇性催化還原(scr)之催化劑陶瓷燭式過濾器 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW108130821A TWI881950B (zh) | 2019-04-26 | 2019-08-28 | 用於合併微粒移除以及氮氧化物的選擇性催化還原(scr)之催化劑陶瓷燭式過濾器 |
Country Status (7)
| Country | Link |
|---|---|
| US (2) | US20220178291A1 (enExample) |
| EP (1) | EP3730210A1 (enExample) |
| JP (1) | JP7421571B2 (enExample) |
| KR (1) | KR102844059B1 (enExample) |
| CN (1) | CN113613780B (enExample) |
| TW (2) | TWI883962B (enExample) |
| WO (1) | WO2020216460A1 (enExample) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11426709B2 (en) | 2018-08-28 | 2022-08-30 | Umicore Ag & Co. Kg | Catalyst for use in the selective catalytic reduction (SCR) of nitrogen oxides |
| KR20250065993A (ko) | 2023-11-06 | 2025-05-13 | 다이텍연구원 | 질소산화물 제거용 촉매 및 그의 제조방법 |
| CN120695817B (zh) * | 2025-06-23 | 2026-05-05 | 安徽紫朔环境工程技术有限公司 | 一体化陶瓷催化滤管及其制备方法和应用 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006037387A1 (en) * | 2004-09-30 | 2006-04-13 | Pall Corporation | Catalytically active porous element |
| US20090060810A1 (en) * | 2006-04-03 | 2009-03-05 | Sung Ho Hong | Preparation Method of Vanadium/Titania-Based Catalyst Showing Excellent Nitrogen Oxide-Removal Performance at Wide Temperature Winow Through Introduction of Ball Milling, and Use Thereof |
| US20090304566A1 (en) * | 2007-01-09 | 2009-12-10 | Golden Stephen J | Ammonia scr catalyst and method of using the catalyst |
| TW201105413A (en) * | 2009-05-19 | 2011-02-16 | Millennium Inorganic Chem | Catalyst promoters in vanadium-free mobile catalyst |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51112788A (en) * | 1975-03-31 | 1976-10-05 | Taiseki Kunugi | Process for producing catalytic reduction catalysts for nox |
| JPS57150435A (en) * | 1981-03-14 | 1982-09-17 | Ngk Insulators Ltd | Catalyst for removal of nitrogen oxide |
| DE3805564A1 (de) * | 1988-02-23 | 1989-08-31 | Siemens Ag | Katalysator zur minderung der stickoxide und verfahren zu seiner herstellung |
| JPH02198634A (ja) * | 1989-01-25 | 1990-08-07 | Babcock Hitachi Kk | 窒素酸化物除去用触媒の製造方法 |
| ATE133752T1 (de) * | 1993-03-26 | 1996-02-15 | Siemens Ag | Katalysator zur stickoxidminderung im abgas eines verbrennungsmotors |
| JP4301348B2 (ja) * | 1995-02-24 | 2009-07-22 | 株式会社アイシーティー | 窒素酸化物分解用触媒およびこれを用いたディーゼルエンジン排ガスの浄化方法 |
| JP4344102B2 (ja) | 2001-06-06 | 2009-10-14 | バブコック日立株式会社 | 排ガス脱硝用触媒スラリおよびその製造方法 |
| JP2008221203A (ja) | 2007-02-13 | 2008-09-25 | Babcock Hitachi Kk | 窒素酸化物除去用触媒及び窒素酸化物除去方法 |
| CN102284281B (zh) * | 2010-06-18 | 2014-06-04 | 上海牛翼新能源科技有限公司 | 烟气脱硝用的氧化钛分子筛整体型催化剂 |
| EP2554238B1 (en) | 2011-08-05 | 2013-12-18 | Pall Corporation | Catalytic filter system |
| KR102186734B1 (ko) * | 2013-02-14 | 2020-12-07 | 할도르 토프쉐 에이/에스 | 연도 가스나 배기 가스로부터 일산화탄소와 질소 산화물의 동시 제거를 위한 방법 및 촉매 |
| US9895677B2 (en) | 2013-03-15 | 2018-02-20 | Haldor Topsoe A/S | Catalysed filter based on biosoluble fibers |
| SG11201604790UA (en) | 2013-11-15 | 2016-07-28 | Chevron Usa Inc | Lubricating base oil production |
| DE102014205783A1 (de) * | 2014-03-27 | 2015-10-01 | Johnson Matthey Public Limited Company | Katalysator sowie Verfahren zum Herstellen eines Katalysator |
| DK178520B1 (da) * | 2014-10-14 | 2016-05-09 | Haldor Topsoe As | Fremgangsmåde til at fremstille et katalyseret stoffilter og et katalyseret stoffilter |
| US10105682B2 (en) * | 2015-03-20 | 2018-10-23 | Haldor Topsøe A/S | Catalyzed ceramic candle filter and method for cleaning of off- or exhaust gases |
| JP6626118B2 (ja) | 2015-03-20 | 2019-12-25 | ハルドール・トプサー・アクチエゼルスカベット | 触媒化セラミックキャンドルフィルタ及びプロセスオフガスまたは排ガスの清浄方法 |
| US10682639B2 (en) | 2015-10-02 | 2020-06-16 | Haldor Topsoe A/S | Method for preparing a catalyst-containing ceramic filter for off-gas or exhaust gas cleaning |
| CN108025291B (zh) | 2015-10-28 | 2021-07-09 | 优美科股份公司及两合公司 | 用于去除烟气和废气中氮氧化物的蜂窝状催化剂及其制备方法 |
| WO2018018406A1 (en) | 2016-07-26 | 2018-02-01 | Basf Corporation | Supported catalyst, monolithic selective catalytic reduction (scr) catalyst, preparation method therefor, and method for nitrogen oxides removal |
| KR20190059276A (ko) | 2016-10-05 | 2019-05-30 | 히다치 조센 가부시키가이샤 | 촉매담지 구조체 및 그 제조방법 |
| US11426709B2 (en) * | 2018-08-28 | 2022-08-30 | Umicore Ag & Co. Kg | Catalyst for use in the selective catalytic reduction (SCR) of nitrogen oxides |
-
2019
- 2019-04-26 EP EP19171394.0A patent/EP3730210A1/en active Pending
- 2019-08-26 CN CN201980094377.9A patent/CN113613780B/zh active Active
- 2019-08-26 WO PCT/EP2019/072708 patent/WO2020216460A1/en not_active Ceased
- 2019-08-26 JP JP2021563342A patent/JP7421571B2/ja active Active
- 2019-08-26 KR KR1020217038918A patent/KR102844059B1/ko active Active
- 2019-08-26 US US17/598,718 patent/US20220178291A1/en not_active Abandoned
- 2019-08-28 TW TW113118447A patent/TWI883962B/zh active
- 2019-08-28 TW TW108130821A patent/TWI881950B/zh active
-
2024
- 2024-09-10 US US18/829,607 patent/US20240426234A1/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006037387A1 (en) * | 2004-09-30 | 2006-04-13 | Pall Corporation | Catalytically active porous element |
| US20090060810A1 (en) * | 2006-04-03 | 2009-03-05 | Sung Ho Hong | Preparation Method of Vanadium/Titania-Based Catalyst Showing Excellent Nitrogen Oxide-Removal Performance at Wide Temperature Winow Through Introduction of Ball Milling, and Use Thereof |
| US20090304566A1 (en) * | 2007-01-09 | 2009-12-10 | Golden Stephen J | Ammonia scr catalyst and method of using the catalyst |
| TW201105413A (en) * | 2009-05-19 | 2011-02-16 | Millennium Inorganic Chem | Catalyst promoters in vanadium-free mobile catalyst |
Also Published As
| Publication number | Publication date |
|---|---|
| JP7421571B2 (ja) | 2024-01-24 |
| KR102844059B1 (ko) | 2025-08-12 |
| CN113613780B (zh) | 2024-11-26 |
| TW202434360A (zh) | 2024-09-01 |
| US20240426234A1 (en) | 2024-12-26 |
| KR20220003050A (ko) | 2022-01-07 |
| US20220178291A1 (en) | 2022-06-09 |
| JP2022530128A (ja) | 2022-06-27 |
| CN113613780A (zh) | 2021-11-05 |
| WO2020216460A1 (en) | 2020-10-29 |
| TW202106381A (zh) | 2021-02-16 |
| EP3730210A1 (en) | 2020-10-28 |
| TWI881950B (zh) | 2025-05-01 |
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