ZA985871B - Process for treating gases to reduce emissions of oxides of nitrogen using a catalytic composition having a support based on silica and titanium oxide - Google Patents

Process for treating gases to reduce emissions of oxides of nitrogen using a catalytic composition having a support based on silica and titanium oxide

Info

Publication number
ZA985871B
ZA985871B ZA985871A ZA985871A ZA985871B ZA 985871 B ZA985871 B ZA 985871B ZA 985871 A ZA985871 A ZA 985871A ZA 985871 A ZA985871 A ZA 985871A ZA 985871 B ZA985871 B ZA 985871B
Authority
ZA
South Africa
Prior art keywords
oxides
silica
nitrogen
titanium oxide
catalytic composition
Prior art date
Application number
ZA985871A
Other languages
English (en)
Inventor
Catherine Hedouin
Pierre Macaudiere
Original Assignee
Rhodia Chimie Sa
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 Rhodia Chimie Sa filed Critical Rhodia Chimie Sa
Publication of ZA985871B publication Critical patent/ZA985871B/xx

Links

Classifications

    • 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
    • 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
    • B01J21/08—Silica
    • 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
    • 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
    • B01D53/9427—Processes characterised by a specific catalyst for removing nitrous oxide
    • 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
    • B01J23/42—Platinum
    • 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
    • B01J35/45—Nanoparticles
    • 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
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/61—Surface area
    • 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
    • B01J37/0211—Impregnation using a colloidal suspension
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/20—Reductants
    • B01D2251/21—Organic compounds not provided for in groups B01D2251/206 or B01D2251/208
    • 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
    • B01D2255/1021—Platinum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/206—Rare earth metals
    • B01D2255/2063—Lanthanum
    • 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
    • B01D2255/30—Silica
    • 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
    • B01J35/20—Catalysts, in general, characterised by their form or physical properties characterised by their non-solid state
    • B01J35/23—Catalysts, in general, characterised by their form or physical properties characterised by their non-solid state in a colloidal state
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
    • Y02C20/00—Capture or disposal of greenhouse gases
    • Y02C20/10—Capture or disposal of greenhouse gases of nitrous oxide (N2O)
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Combustion & Propulsion (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Exhaust Gas After Treatment (AREA)
ZA985871A 1997-07-03 1998-07-03 Process for treating gases to reduce emissions of oxides of nitrogen using a catalytic composition having a support based on silica and titanium oxide ZA985871B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9708422A FR2765492B1 (fr) 1997-07-03 1997-07-03 Procede de traitement de gaz pour la reduction des emissions des oxydes d'azote utilisant une composition catalytique avec un support a base de silice et d'oxyde de titane

Publications (1)

Publication Number Publication Date
ZA985871B true ZA985871B (en) 1999-04-12

Family

ID=9508809

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA985871A ZA985871B (en) 1997-07-03 1998-07-03 Process for treating gases to reduce emissions of oxides of nitrogen using a catalytic composition having a support based on silica and titanium oxide

Country Status (10)

Country Link
US (1) US6491886B1 (zh)
EP (1) EP0994749A1 (zh)
JP (1) JP2000511111A (zh)
KR (1) KR100351601B1 (zh)
CN (1) CN1124885C (zh)
AU (1) AU8445398A (zh)
CA (1) CA2295850A1 (zh)
FR (1) FR2765492B1 (zh)
WO (1) WO1999001216A1 (zh)
ZA (1) ZA985871B (zh)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2793163B1 (fr) * 1999-05-07 2001-08-10 Ecia Equip Composants Ind Auto Composition d'epuration avec traitement des nox des gaz d'echappement d'un moteur a combustion interne
EP1240943A1 (en) * 2000-10-21 2002-09-18 Degussa AG Catalyst support
JP4271400B2 (ja) * 2002-02-14 2009-06-03 株式会社デンソー 触媒体
CN100336595C (zh) * 2004-03-12 2007-09-12 同济大学 贵金属负载介孔氮氧化硅复合催化剂及其制备方法
JP4935604B2 (ja) * 2006-11-27 2012-05-23 住友化学株式会社 担持酸化ルテニウムの製造方法
JP2008188542A (ja) 2007-02-06 2008-08-21 Mitsubishi Heavy Ind Ltd 排ガス処理用触媒、その製造方法および排ガス処理方法
US8545779B2 (en) * 2011-01-13 2013-10-01 GM Global Technology Operations LLC Sulfur-tolerant perovskite NOx oxidation catalysts
JP6249689B2 (ja) * 2012-09-05 2017-12-20 三菱日立パワーシステムズ株式会社 排ガス処理再生触媒及び排ガス処理触媒の再生方法
US11446635B2 (en) 2017-12-27 2022-09-20 Sekisui Chemical Co., Ltd. Catalyst and method for producing same, and method for producing diene compound using said catalyst

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4102819A (en) * 1973-12-28 1978-07-25 Prototech, Inc. Finely particulated colloidal platinum, compound and sol for producing the same, and method of preparation
JPS52122293A (en) * 1976-04-08 1977-10-14 Nippon Shokubai Kagaku Kogyo Co Ltd Catalyst for purifying nox
GB2087250B (en) * 1977-11-01 1982-12-08 Atomic Energy Authority Uk Catalyst preparation
JPS5466390A (en) * 1977-11-08 1979-05-28 Yasushi Kubo Silicon dioxideetitanium dioxideevanadium oxide catalyst for removal of nitrogen oxides
US4176089A (en) * 1978-08-03 1979-11-27 Exxon Research & Engineering Co. Process for the preparation of silica-titania and catalysts comprising the same
US4280926A (en) * 1978-09-12 1981-07-28 Sakai Chemical Industry Co., Ltd. Method for producing a catalyst and a carrier therefor
US4793980A (en) * 1978-09-21 1988-12-27 Torobin Leonard B Hollow porous microspheres as substrates and containers for catalyst
JPS58110414A (ja) * 1981-12-23 1983-07-01 Tokuyama Soda Co Ltd 無機酸化物及びその製造方法
EP0455491A3 (en) * 1990-05-03 1992-03-18 Sakai Chemical Industry Co., Ltd., Catalysts and methods for denitrization
US5162283A (en) * 1991-01-22 1992-11-10 Mobil Oil Corporation Highly porous amorphous titania and titania/silica phases
GB9226434D0 (en) * 1992-12-18 1993-02-10 Johnson Matthey Plc Catalyst
JP3406635B2 (ja) * 1993-04-06 2003-05-12 科学技術振興事業団 マクロ孔及びミクロ孔が分散したシリカ多孔体及び製造方法
JPH07241466A (ja) * 1994-03-08 1995-09-19 Tokyo Gas Co Ltd 排ガス浄化用触媒及びその製造法
JP3556695B2 (ja) * 1994-03-23 2004-08-18 バブコック日立株式会社 排ガス浄化用触媒
EP0730900A1 (en) * 1995-03-09 1996-09-11 N.E. Chemcat Corporation Method of purifying exhaust gas from internal combustion engine
JPH10296081A (ja) * 1997-04-23 1998-11-10 Toyota Motor Corp 排ガス浄化用触媒

Also Published As

Publication number Publication date
US6491886B1 (en) 2002-12-10
AU8445398A (en) 1999-01-25
KR100351601B1 (ko) 2002-11-01
JP2000511111A (ja) 2000-08-29
CN1265606A (zh) 2000-09-06
FR2765492A1 (fr) 1999-01-08
FR2765492B1 (fr) 1999-09-17
CN1124885C (zh) 2003-10-22
EP0994749A1 (fr) 2000-04-26
KR20010015529A (ko) 2001-02-26
WO1999001216A1 (fr) 1999-01-14
CA2295850A1 (fr) 1999-01-14

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