ES435551A1 - Carrier-supported catalyst - Google Patents

Carrier-supported catalyst

Info

Publication number
ES435551A1
ES435551A1 ES435551A ES435551A ES435551A1 ES 435551 A1 ES435551 A1 ES 435551A1 ES 435551 A ES435551 A ES 435551A ES 435551 A ES435551 A ES 435551A ES 435551 A1 ES435551 A1 ES 435551A1
Authority
ES
Spain
Prior art keywords
molded bodies
calcined
temperatures
cerium salt
bodies
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
ES435551A
Other languages
Spanish (es)
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.)
Hoechst AG
Original Assignee
Hoechst AG
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 Hoechst AG filed Critical Hoechst AG
Publication of ES435551A1 publication Critical patent/ES435551A1/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
    • 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
    • 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
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
    • B01J37/0018—Addition of a binding agent or of material, later completely removed among others as result of heat treatment, leaching or washing,(e.g. forming of pores; protective layer, desintegrating by heat)
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

Abstract

Procedure for the preparation of a supported catalyst, characterized in that aluminum oxide containing water or an unstable anhydrous aluminum oxide is compressed to form molded bodies; why the molded bodies are calcined for 10 to 20 hours at temperatures of 1000 to 1250ºC; because the calcined molded bodies are impregnated with the aqueous solution of a cerium salt of an easily decomposable acid; because the cerium salt applied on the molded bodies dries at 130 to 150ºC; because the dried cerium salt on the shaped bodies decomposes by step heating at temperatures of 200 to 300ºC and 450 to 550ºC, and then the shaped bodies containing cerium oxide are calcined at temperatures of 700 to 900ºC . (Machine-translation by Google Translate, not legally binding)
ES435551A 1974-03-14 1975-03-12 Carrier-supported catalyst Expired ES435551A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2412230A DE2412230A1 (en) 1974-03-14 1974-03-14 CARRIER CATALYST

Publications (1)

Publication Number Publication Date
ES435551A1 true ES435551A1 (en) 1976-12-16

Family

ID=5910045

Family Applications (1)

Application Number Title Priority Date Filing Date
ES435551A Expired ES435551A1 (en) 1974-03-14 1975-03-12 Carrier-supported catalyst

Country Status (16)

Country Link
JP (1) JPS5230397B2 (en)
BE (1) BE826576A (en)
CA (1) CA1050522A (en)
CH (1) CH595883A5 (en)
CS (1) CS187464B2 (en)
DD (1) DD119636A5 (en)
DE (1) DE2412230A1 (en)
DK (1) DK102975A (en)
ES (1) ES435551A1 (en)
FR (1) FR2263818A1 (en)
GB (1) GB1478093A (en)
IL (1) IL46723A (en)
IT (1) IT1032287B (en)
SE (1) SE7502826L (en)
SU (1) SU656477A3 (en)
ZA (1) ZA751144B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1120457A (en) * 1976-08-20 1982-03-23 Russell M. Bimber Preparaion of ketones
JPS57209819A (en) * 1981-06-19 1982-12-23 Nissan Motor Co Ltd Preparation of active alumina pellet supporting cerium uniformly
GB8808240D0 (en) * 1988-04-08 1988-05-11 Knowsley Contract Chem Ltd Catalyst & its use in oxidation
GB8913978D0 (en) * 1989-06-17 1989-08-09 Atomic Energy Authority Uk Catalytic treatment

Also Published As

Publication number Publication date
DK102975A (en) 1975-09-15
JPS511390A (en) 1976-01-08
BE826576A (en) 1975-09-12
IT1032287B (en) 1979-05-30
DE2412230A1 (en) 1975-09-18
JPS5230397B2 (en) 1977-08-08
CH595883A5 (en) 1978-02-28
DD119636A5 (en) 1976-05-05
IL46723A (en) 1978-03-10
IL46723A0 (en) 1975-04-25
GB1478093A (en) 1977-06-29
CS187464B2 (en) 1979-01-31
FR2263818A1 (en) 1975-10-10
ZA751144B (en) 1976-01-28
CA1050522A (en) 1979-03-13
SE7502826L (en) 1975-09-15
SU656477A3 (en) 1979-04-05

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