SE8005917L - Katalysator jemte sett att framstella densamma liksom even sett att genomfora forbrenning i nervaro av nemnda katalysator - Google Patents

Katalysator jemte sett att framstella densamma liksom even sett att genomfora forbrenning i nervaro av nemnda katalysator

Info

Publication number
SE8005917L
SE8005917L SE8005917A SE8005917A SE8005917L SE 8005917 L SE8005917 L SE 8005917L SE 8005917 A SE8005917 A SE 8005917A SE 8005917 A SE8005917 A SE 8005917A SE 8005917 L SE8005917 L SE 8005917L
Authority
SE
Sweden
Prior art keywords
oxide
tungsten
composite
chromium
metal
Prior art date
Application number
SE8005917A
Other languages
English (en)
Inventor
S G Hindin
G R Pond
J C Dettling
Original Assignee
Engelhard Min & Chem
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
Priority claimed from US05/423,093 external-priority patent/US3966391A/en
Priority claimed from US423096A external-priority patent/US3870455A/en
Priority claimed from US05/423,114 external-priority patent/US3956188A/en
Priority claimed from US05/423,095 external-priority patent/US3945946A/en
Application filed by Engelhard Min & Chem filed Critical Engelhard Min & Chem
Publication of SE8005917L publication Critical patent/SE8005917L/sv

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
    • 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
    • B01J23/24—Chromium, molybdenum or tungsten
    • 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
    • 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
    • B01D53/864—Removing carbon monoxide or hydrocarbons
    • 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
    • B01J23/10—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of rare earths
    • 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
    • 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
    • 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
    • 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
    • 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
    • B01J35/613—10-100 m2/g

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)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)

Claims (1)

Patentkrav
1. Katalysatorkomposition, kdnneteCknad av en yta av 20 m2/g efter kalcinering i tva timmar rid 120000 och innehallande: (a) en katalytiskt aktiv, kalcinerad blandning bestaende av 50-95 viktprocent aluminiumoxid och totalt 4-50 viktprocent av en oxidkomponent innehallande minst tva ytterligare metalloxider, av vilka atminstone en Zr en oxid av en sallsynt jordartsmetall, dvs. en oxid av en metall med atomnummer 57-71; och atminstone den eller Zr andra ar! mint en oxid av en metall ur gruppen IVB i det periodiska systemet, dvs. Ti, Zn, is °eh Th, en oxid av krom eller volfram eller en blandning ay. dens a, minst en oxid av krom och volfram och minst en me-tall or gruppen IVB i det periodiska systemet, dye. Ti, Zn, Ai och Th, och minst en oxid av krone eller volfram och minst an av fOljandisider, nUmligiiiiriumoxid, strontium- oxid, bariumoxid, kiseldioxid och tennoxid, (b) en katalytiskt effektiv mangd, dvs. 0,1-20% av en platinametall cone tillfogats den under (a; 1-3) definierade blandningen, sedan denna kalcinerats vid minst 850°C, ooh, betraffande den under (a, 4) definierade blandningen, vid en temperatur av minst 50000, varvid platinametallen faretradesvis ingar i kompositionen med 0,2-10 viktprocent raknat pa kompositionens totala rust, ooh lampligen Zr vald ur en grupp bestaende av platina, palladium, platina-palladiumlegeringar och blandningar darav, vilken katalysatorkomposition lampligen fareligger i form av tabletter eller uppbares pa en inert barare i form av tabletter eller i form av ett keramiskt bikaksmaterial.
SE8005917A 1973-12-10 1980-08-22 Katalysator jemte sett att framstella densamma liksom even sett att genomfora forbrenning i nervaro av nemnda katalysator SE8005917L (sv)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US05/423,093 US3966391A (en) 1973-12-10 1973-12-10 Method of combustion using high temperature stable catalysts
US423096A US3870455A (en) 1973-12-10 1973-12-10 Method for catalytically supported thermal combustion
US05/423,114 US3956188A (en) 1973-12-10 1973-12-10 Compositions and methods for high temperature stable catalysts
US05/423,095 US3945946A (en) 1973-12-10 1973-12-10 Compositions and methods for high temperature stable catalysts

Publications (1)

Publication Number Publication Date
SE8005917L true SE8005917L (sv) 1980-08-22

Family

ID=27503713

Family Applications (2)

Application Number Title Priority Date Filing Date
SE7415423A SE448348B (sv) 1973-12-10 1974-12-10 Oxidationskatalysator, sett att framstella denna samt anvendning av katalysatorn for forbrenning av kolhaltigt brensle
SE8005917A SE8005917L (sv) 1973-12-10 1980-08-22 Katalysator jemte sett att framstella densamma liksom even sett att genomfora forbrenning i nervaro av nemnda katalysator

Family Applications Before (1)

Application Number Title Priority Date Filing Date
SE7415423A SE448348B (sv) 1973-12-10 1974-12-10 Oxidationskatalysator, sett att framstella denna samt anvendning av katalysatorn for forbrenning av kolhaltigt brensle

Country Status (2)

Country Link
GB (1) GB1474588A (sv)
SE (2) SE448348B (sv)

Also Published As

Publication number Publication date
SE448348B (sv) 1987-02-16
SE7415423L (sv) 1975-06-11
GB1474588A (en) 1977-05-25

Similar Documents

Publication Publication Date Title
GB1474589A (en) Oxidic catalyst compositions containing a platinum group metal
JP3017043B2 (ja) 窒素の酸化物の排出を減少させるためのスピネルベースの触媒
US3897367A (en) Metal oxide catalytic compositions
US5318937A (en) Ruthenium-containing perovskite materials, catalysts and methods
RU2013157596A (ru) Каталитический фильтр с двойной функцией
DE69310652T2 (de) Zer-oxydenthaltende Zusammensetzung, ihre Herstellung und ihre Verwendung
CA2048748A1 (en) Catalysts
JPH01262945A (ja) 耐熱性貴金属触媒及びその製造方法
JPS61283348A (ja) 酸化触媒
CN110252307A (zh) 一种脱除挥发性有机废气的平板式催化剂及其制备方法
CN109689205B (zh) 钒酸盐作为氧化催化剂的用途
AU609255B2 (en) Vehicle exhaust catalytic converter
SE8005917L (sv) Katalysator jemte sett att framstella densamma liksom even sett att genomfora forbrenning i nervaro av nemnda katalysator
WO1995003877A1 (en) Base metal catalyst, catalytic support and two-stage process for the purification of vehicle exhaust gases
JPH0549864A (ja) 排ガスの浄化方法
US5302365A (en) Process for the catalytic combustion of methane
DE10132442A1 (de) Katalysatoren auf Ceroxid-Basis und deren Verwendung zur katalytischen Verbrennung
JP3152681B2 (ja) リン酸系組成物およびそれを用いたＮＯｘ還元分解用触媒
JP5119531B2 (ja) セラミックス触媒材料とそれを用いた排気浄化方法
DE2552003C3 (de) Eisen, Chrom und Aluminium gegebenenfalls auf einem Träger enthaltender Katalysator zur Reduktion von Stickstoffoxiden mit Ammoniak
CN114950466B (zh) 一种非贵金属催化剂及其制备方法和应用
US5567667A (en) Oxidation catalysts
JP3152680B2 (ja) リン酸系組成物およびそれを用いたＮＯｘ還元分解用触媒
JPH0377644A (ja) 排気ガス浄化触媒
EP0629146A1 (en) OXIDATION CATALYSTS.

Legal Events

Date Code Title Description
NAV Patent application has lapsed

Ref document number: 8005917-3