GB995598A - Catalysts - Google Patents

Catalysts

Info

Publication number
GB995598A
GB995598A GB4526963A GB4526963A GB995598A GB 995598 A GB995598 A GB 995598A GB 4526963 A GB4526963 A GB 4526963A GB 4526963 A GB4526963 A GB 4526963A GB 995598 A GB995598 A GB 995598A
Authority
GB
United Kingdom
Prior art keywords
al2o3
zro2
sio2
mgo
catalysts
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
GB4526963A
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.)
WR Grace and Co
Original Assignee
WR Grace and Co
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 and Co filed Critical WR Grace and Co
Publication of GB995598A publication Critical patent/GB995598A/en
Expired legal-status Critical Current

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
    • B01D53/944—Simultaneously removing carbon monoxide, hydrocarbons or carbon making use of oxidation catalysts
    • 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
    • B01J23/656—Manganese, technetium or rhenium
    • B01J23/6562—Manganese

Abstract

Oxidation catalysts comprise a support having a surface area of at least 100 m.2/gm. carrying 5-20% MnO2 and 0,01-0,1% Pd. Specified supports are a -Al2O3, SiO2-Al2O3, SiO2-MgO, SiO2-Al2O3-MgO, ZrO2, ZrO2-Al2O3 and ZrO2-MgO, in nodular form, e.g. 3-10 mesh. The constituents may be admixed in the presence of a complexing agent, e.g. sorbitol, citric, tartaric and glycollic acids. Examples are given.
GB4526963A 1963-01-28 1963-11-15 Catalysts Expired GB995598A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US25448363A 1963-01-28 1963-01-28

Publications (1)

Publication Number Publication Date
GB995598A true GB995598A (en) 1965-06-16

Family

ID=22964466

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4526963A Expired GB995598A (en) 1963-01-28 1963-11-15 Catalysts

Country Status (1)

Country Link
GB (1) GB995598A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020053350A1 (en) * 2018-09-13 2020-03-19 Basf Corporation A three-way conversion catalyst in gasoline-natural gas applications

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020053350A1 (en) * 2018-09-13 2020-03-19 Basf Corporation A three-way conversion catalyst in gasoline-natural gas applications

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