CL2015002212A1 - Método y catalizador para la remoción simultánea de monóxido de carbono y óxidos de nitrógeno de gas de escape o chimenea. - Google Patents

Método y catalizador para la remoción simultánea de monóxido de carbono y óxidos de nitrógeno de gas de escape o chimenea.

Info

Publication number
CL2015002212A1
CL2015002212A1 CL2015002212A CL2015002212A CL2015002212A1 CL 2015002212 A1 CL2015002212 A1 CL 2015002212A1 CL 2015002212 A CL2015002212 A CL 2015002212A CL 2015002212 A CL2015002212 A CL 2015002212A CL 2015002212 A1 CL2015002212 A1 CL 2015002212A1
Authority
CL
Chile
Prior art keywords
catalyst
layer
carbon monoxide
exhaust
chimney
Prior art date
Application number
CL2015002212A
Other languages
English (en)
Spanish (es)
Inventor
Francesco Castellino
Hansen Viggo Lucassen
Original Assignee
Haldor Topsoe As
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Haldor Topsoe As filed Critical Haldor Topsoe As
Publication of CL2015002212A1 publication Critical patent/CL2015002212A1/es

Links

Classifications

    • 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
    • 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
    • B01J23/38—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
    • B01J23/6482—Vanadium
    • 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
    • B01D53/9468—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 in different layers
    • 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
    • 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
    • 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
    • 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
    • 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
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
    • B01J23/44—Palladium
    • 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
    • B01J35/19—Catalysts containing parts with different compositions
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/10—Noble metals or compounds thereof
    • B01D2255/102—Platinum group metals
    • B01D2255/1023—Palladium
    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/90—Physical characteristics of catalysts
    • B01D2255/902—Multilayered catalyst
    • B01D2255/9022—Two layers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biomedical Technology (AREA)
  • Toxicology (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Exhaust Gas After Treatment (AREA)
CL2015002212A 2013-02-14 2015-08-07 Método y catalizador para la remoción simultánea de monóxido de carbono y óxidos de nitrógeno de gas de escape o chimenea. CL2015002212A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DKPA201300091 2013-02-14

Publications (1)

Publication Number Publication Date
CL2015002212A1 true CL2015002212A1 (es) 2016-01-29

Family

ID=50031348

Family Applications (1)

Application Number Title Priority Date Filing Date
CL2015002212A CL2015002212A1 (es) 2013-02-14 2015-08-07 Método y catalizador para la remoción simultánea de monóxido de carbono y óxidos de nitrógeno de gas de escape o chimenea.

Country Status (11)

Country Link
US (2) US20150375207A1 (cg-RX-API-DMAC7.html)
EP (1) EP2956232B1 (cg-RX-API-DMAC7.html)
JP (1) JP6215361B2 (cg-RX-API-DMAC7.html)
KR (1) KR102186734B1 (cg-RX-API-DMAC7.html)
CN (1) CN104936679B (cg-RX-API-DMAC7.html)
BR (1) BR112015019557B1 (cg-RX-API-DMAC7.html)
CA (1) CA2899149C (cg-RX-API-DMAC7.html)
CL (1) CL2015002212A1 (cg-RX-API-DMAC7.html)
RU (1) RU2657082C2 (cg-RX-API-DMAC7.html)
WO (1) WO2014124830A1 (cg-RX-API-DMAC7.html)
ZA (1) ZA201505399B (cg-RX-API-DMAC7.html)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6571788B2 (ja) * 2015-03-20 2019-09-04 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オフガスまたは排ガスの清浄方法
CA2976140C (en) * 2015-03-20 2020-12-08 Haldor Topsoe A/S Catalyzed ceramic candle filter and method of cleaning process off- or exhaust gases
KR102517482B1 (ko) * 2015-07-09 2023-04-04 우미코레 아게 운트 코 카게 엔진 배기 가스로부터 미립자 물질 및 유해한 화합물을 제거하기 위한 시스템
DK180289B1 (en) * 2016-10-03 2020-10-07 Haldor Topsoe As Monolithic honeycomb oxidation catalyst and process for its preparation
KR20190055111A (ko) 2016-10-07 2019-05-22 할도르 토프쉐 에이/에스 오존을 사용한 저온 가스 정화 과정 및 그 과정에서 사용하기 위한 촉매 백 필터
US10857504B2 (en) * 2017-03-31 2020-12-08 Toyota Motor Engineering & Manufacturing North America, Inc. Two-stage catalyst for removal of NOx from exhaust gas stream
CA3059808A1 (en) * 2017-04-26 2018-11-01 Haldor Topsoe A/S Method and system for the removal of particulate matter and noxious compounds from flue-gas using a ceramic filter with an scr catalyst
EP3708253A1 (en) * 2017-06-09 2020-09-16 BASF Corporation Exhaust gas treatment systems
EP3533511A1 (en) * 2018-02-28 2019-09-04 Xpuris GmbH An exhaust gas treatment method and system arranged for treating exhaust gases collected from at least one foundry process
CN108993544B (zh) * 2018-08-03 2020-12-25 生态环境部华南环境科学研究所 一种去除低温高硫尾气中NOx和VOCs的催化剂及其制备和应用
CN112584925A (zh) * 2018-08-28 2021-03-30 优美科股份公司及两合公司 用于氮氧化物的选择性催化还原(scr)的催化剂
EP3730210A1 (en) * 2019-04-26 2020-10-28 Umicore Ag & Co. Kg Catalyst ceramic candle filter for combined particulate removal and the selective catalytic reduction (scr) of nitrogen-oxides
KR102155628B1 (ko) * 2019-05-14 2020-09-14 이덕기 반도체 제조공정의 질소산화물 및 입자성 물질 제거장치
GB2588518B (en) 2019-09-27 2022-06-22 Johnson Matthey Catalysts Germany Gmbh Multi-function catalyst article for treating both CO and NOx in stationary emission source exhaust gas
JP7721512B2 (ja) 2019-09-30 2025-08-12 ビーエーエスエフ モバイル エミッションズ カタリスツ エルエルシー 炭化水素の酸化及びＮＯｘの選択的触媒還元用の多機能触媒
US11378278B2 (en) 2019-12-11 2022-07-05 Umicore Ag & Co. Kg System and process for efficient SCR at high NO2 to NOx ratios
CN111482071B (zh) * 2020-04-14 2022-09-27 中钢集团天澄环保科技股份有限公司 一种烧结烟气多污染物协同净化及余热利用系统及工艺
US20230226489A1 (en) 2020-06-11 2023-07-20 Topsoe A/S Catalytic oxidation of carbon black exhaust gas
KR102457079B1 (ko) * 2020-11-30 2022-10-21 한국에너지기술연구원 복합유해물질 동시 제거 시스템
KR102527339B1 (ko) 2021-01-06 2023-04-28 울산과학기술원 일산화탄소 탈수소효소 및 포름산 탈수소효소를 이용한 개미산의 제조 방법
KR102682231B1 (ko) 2021-02-17 2024-07-08 주식회사 엔바이온 질소화합물이 함유된 휘발성유기화합물 폐가스 처리 장치
CN113713608A (zh) * 2021-08-26 2021-11-30 复旦大学 一种用于CO和NOx同时去除的催化剂联用方法
CN113856693A (zh) * 2021-09-29 2021-12-31 北京工业大学 一种用于催化氧化CO的MoSnCo催化剂及其制备方法
US11635010B1 (en) 2021-10-05 2023-04-25 Umicore Ag & Co. Kg Combustion turbine and heat recovery system combination with SCR reactor assembly, and methods of assembling and using the same
US12274980B2 (en) 2022-09-06 2025-04-15 Umicore Ag & Co. Kg Catalytic system and method for the removal of HCN from off-gases of a fluid cracking unit using same, and FCC unit assembly including the catalytic system
WO2024052387A1 (en) 2022-09-06 2024-03-14 Umicore Ag & Co. Kg Catalytic system and method for the removal of hcn from off-gases of a fluid cracking unit using same, and fcc unit assembly including the catalytic system
US20250303362A1 (en) 2024-03-29 2025-10-02 Umicore Ag & Co. Kg Scr reactor system, scr reactor assembly, scr reactor apparatus, and mixing device, and methods of using and assembling each of the same

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3436567B2 (ja) * 1993-06-23 2003-08-11 バブコック日立株式会社 排ガス浄化触媒およびその製造方法
JP3793283B2 (ja) * 1996-06-20 2006-07-05 バブコック日立株式会社 排ガス浄化用触媒およびそれを用いた排ガス浄化装置
US7390471B2 (en) 2005-11-17 2008-06-24 Siemens Power Generation, Inc. Apparatus and method for catalytic treatment of exhaust gases
JP4523911B2 (ja) * 2005-12-14 2010-08-11 本田技研工業株式会社 排ガス浄化装置
ATE464458T1 (de) * 2007-02-23 2010-04-15 Umicore Ag & Co Kg Katalytisch aktiviertes dieselpartikelfilter mit ammoniak-sperrwirkung
DE102008008785A1 (de) * 2008-02-12 2009-08-13 Man Nutzfahrzeuge Aktiengesellschaft Vorrichtung zur Verminderung von Dibenzo-Dioxin-, Dibenzo-Furan- und Partikel-Emissionen
EP2112341B1 (en) * 2008-04-22 2018-07-11 Umicore AG & Co. KG Method for purification of an exhaust gas from a diesel engine
US20100101221A1 (en) 2008-10-28 2010-04-29 Caterpillar Inc. CATALYSTS, SYSTEMS, AND METHODS FOR REDUCING NOx IN AN EXHAUST GAS
DE102008055890A1 (de) * 2008-11-05 2010-05-12 Süd-Chemie AG Partikelminderung mit kombiniertem SCR- und NH3-Schlupf-Katalysator
US20100251700A1 (en) * 2009-04-02 2010-10-07 Basf Catalysts Llc HC-SCR System for Lean Burn Engines
US9662611B2 (en) * 2009-04-03 2017-05-30 Basf Corporation Emissions treatment system with ammonia-generating and SCR catalysts
CN102459833B (zh) * 2009-05-15 2015-06-17 Fmc有限公司 燃烧烟道气nox处理
CN102811810A (zh) * 2010-03-24 2012-12-05 丰田自动车株式会社 废气净化用催化剂
WO2012002052A1 (ja) * 2010-06-30 2012-01-05 エヌ・イー ケムキャット株式会社 選択還元型触媒を用いた排気ガス浄化装置及び排気ガス浄化方法
FR2964413B1 (fr) * 2010-09-02 2016-07-01 Peugeot Citroen Automobiles Sa Filtre a particules a trois revetements catalytiques
WO2012059144A1 (en) * 2010-11-02 2012-05-10 Haldor Topsøe A/S Method for the preparation of a catalysed particulate filter and catalysed particulate filter
JP2012130853A (ja) * 2010-12-21 2012-07-12 Mitsubishi Heavy Ind Ltd バグフィルタ及び排ガス処理装置
JP2012237282A (ja) * 2011-05-13 2012-12-06 Toyota Industries Corp 触媒装置
US9114376B2 (en) * 2011-06-05 2015-08-25 Johnson Matthey Public Limited Company Platinum group metal (PGM) catalyst for treating exhaust gas
JP6571788B2 (ja) * 2015-03-20 2019-09-04 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オフガスまたは排ガスの清浄方法

Also Published As

Publication number Publication date
CN104936679B (zh) 2017-08-18
KR20150116865A (ko) 2015-10-16
EP2956232A1 (en) 2015-12-23
RU2015138782A (ru) 2017-03-20
JP2016509956A (ja) 2016-04-04
BR112015019557B1 (pt) 2021-06-29
RU2657082C2 (ru) 2018-06-08
WO2014124830A1 (en) 2014-08-21
KR102186734B1 (ko) 2020-12-07
US10493436B2 (en) 2019-12-03
US20150375207A1 (en) 2015-12-31
BR112015019557A2 (pt) 2017-07-18
EP2956232B1 (en) 2017-04-05
CA2899149A1 (en) 2014-08-21
CN104936679A (zh) 2015-09-23
CA2899149C (en) 2020-03-24
US20180250661A1 (en) 2018-09-06
ZA201505399B (en) 2017-11-29
JP6215361B2 (ja) 2017-10-18

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