FR2140575B1 - - Google Patents

Info

Publication number
FR2140575B1
FR2140575B1 FR7220666A FR7220666A FR2140575B1 FR 2140575 B1 FR2140575 B1 FR 2140575B1 FR 7220666 A FR7220666 A FR 7220666A FR 7220666 A FR7220666 A FR 7220666A FR 2140575 B1 FR2140575 B1 FR 2140575B1
Authority
FR
France
Legal status (The legal status 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 status listed.)
Expired
Application number
FR7220666A
Other languages
French (fr)
Other versions
FR2140575A1 (nl
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GCP Products UK Ltd
WR Grace and Co Conn
Original Assignee
WR Grace Ltd
WR Grace and Co Conn
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 WR Grace Ltd, WR Grace and Co Conn filed Critical WR Grace Ltd
Publication of FR2140575A1 publication Critical patent/FR2140575A1/fr
Application granted granted Critical
Publication of FR2140575B1 publication Critical patent/FR2140575B1/fr
Expired legal-status Critical Current

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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • 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
    • 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
    • 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

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)
FR7220666A 1971-06-11 1972-06-08 Expired FR2140575B1 (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15238871A 1971-06-11 1971-06-11

Publications (2)

Publication Number Publication Date
FR2140575A1 FR2140575A1 (nl) 1973-01-19
FR2140575B1 true FR2140575B1 (nl) 1977-12-23

Family

ID=22542710

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7220666A Expired FR2140575B1 (nl) 1971-06-11 1972-06-08

Country Status (4)

Country Link
DE (1) DE2228452A1 (nl)
FR (1) FR2140575B1 (nl)
GB (1) GB1398893A (nl)
IT (1) IT956424B (nl)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0689870A1 (fr) 1994-07-01 1996-01-03 Institut Francais Du Petrole Catalyseur d'oxydation résistant à des températures élevées, son procédé de préparation et procédé de combustion utilisant un tel catalyseur

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4206087A (en) * 1977-01-06 1980-06-03 Engelhard Minerals & Chemicals Corporation Catalyst for reducing pollutants in waste gas streams and process for preparing the catalyst
CA1182805A (en) * 1981-03-13 1985-02-19 Leo A. Rheaume Cracking catalyst/sulfur oxide gettering agent compositions
FI94843C (fi) * 1993-12-20 1995-11-10 Kemira Oy Katalyytti bensiinimoottorin pakokaasujen puhdistukseen ja menetelmä sen valmistamiseksi
US6764672B2 (en) 2001-04-03 2004-07-20 Alcoa Inc. Thermally stable alumina particulates

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1350947A (fr) * 1963-01-25 1964-01-31 Socony Mobil Oil Co Nouveau catalyseur de conversion des hydrocarbures
US3483138A (en) * 1966-08-31 1969-12-09 Ethyl Corp Neodymium oxide catalyst compositions

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0689870A1 (fr) 1994-07-01 1996-01-03 Institut Francais Du Petrole Catalyseur d'oxydation résistant à des températures élevées, son procédé de préparation et procédé de combustion utilisant un tel catalyseur

Also Published As

Publication number Publication date
DE2228452A1 (de) 1973-01-04
FR2140575A1 (nl) 1973-01-19
IT956424B (it) 1973-10-10
GB1398893A (en) 1975-06-25

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Legal Events

Date Code Title Description
ST Notification of lapse