FR691356A - Catalyst supports and methods of obtaining and using these supports - Google Patents

Catalyst supports and methods of obtaining and using these supports

Info

Publication number
FR691356A
FR691356A FR691356DA FR691356A FR 691356 A FR691356 A FR 691356A FR 691356D A FR691356D A FR 691356DA FR 691356 A FR691356 A FR 691356A
Authority
FR
France
Prior art keywords
supports
obtaining
methods
catalyst
catalyst supports
Prior art date
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
Other languages
French (fr)
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.)
Monsanto Chemical Works Ltd
Original Assignee
Monsanto Chemical Works Ltd
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.)
Publication date
Application granted granted Critical
Publication of FR691356A publication Critical patent/FR691356A/en
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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/69—Sulfur trioxide; Sulfuric acid
    • C01B17/74—Preparation
    • C01B17/76—Preparation by contact processes
    • C01B17/78—Preparation by contact processes characterised by the catalyst used
    • C01B17/79—Preparation by contact processes characterised by the catalyst used containing vanadium
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
    • H01H73/36—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism having electromagnetic release and no other automatic release
    • H01H73/42—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism having electromagnetic release and no other automatic release reset by rotatable knob or wheel
    • 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
FR691356D 1929-08-08 Catalyst supports and methods of obtaining and using these supports Expired FR691356A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US691356XA 1929-08-08 1929-08-08

Publications (1)

Publication Number Publication Date
FR691356A true FR691356A (en) 1930-10-21

Family

ID=40895668

Family Applications (1)

Application Number Title Priority Date Filing Date
FR691356D Expired FR691356A (en) 1929-08-08 Catalyst supports and methods of obtaining and using these supports

Country Status (1)

Country Link
FR (1) FR691356A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011128841A1 (en) 2010-04-12 2011-10-20 Basf Se Catalyst for the oxidation of so2 to so3
US8323610B2 (en) 2010-04-12 2012-12-04 Basf Se Catalyst for the oxidation of SO2 to SO3

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011128841A1 (en) 2010-04-12 2011-10-20 Basf Se Catalyst for the oxidation of so2 to so3
US8323610B2 (en) 2010-04-12 2012-12-04 Basf Se Catalyst for the oxidation of SO2 to SO3

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