ZA94840B - Process for the preparation of compositions based on mixed zirconium and cerium oxides - Google Patents

Process for the preparation of compositions based on mixed zirconium and cerium oxides

Info

Publication number
ZA94840B
ZA94840B ZA94840A ZA94840A ZA94840B ZA 94840 B ZA94840 B ZA 94840B ZA 94840 A ZA94840 A ZA 94840A ZA 94840 A ZA94840 A ZA 94840A ZA 94840 B ZA94840 B ZA 94840B
Authority
ZA
South Africa
Prior art keywords
zirconium
sol
cerium
compositions based
preparation
Prior art date
Application number
ZA94840A
Other languages
English (en)
Inventor
Thierry Chopin
Gabriel Vilmin
Original Assignee
Rhone Poulenc Chimie
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 Rhone Poulenc Chimie filed Critical Rhone Poulenc Chimie
Publication of ZA94840B publication Critical patent/ZA94840B/xx

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
    • B01J35/60—
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G25/00—Compounds of zirconium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/206—Rare earth metals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/206—Rare earth metals
    • B01D2255/2065—Cerium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20715—Zirconium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/40—Mixed oxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/40—Mixed oxides
    • B01D2255/407—Zr-Ce mixed oxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/01—Engine exhaust gases
    • 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
    • B01J37/0027—Powdering
    • B01J37/0045—Drying a slurry, e.g. spray drying
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer
ZA94840A 1993-02-10 1994-02-08 Process for the preparation of compositions based on mixed zirconium and cerium oxides ZA94840B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9301451A FR2701472B1 (fr) 1993-02-10 1993-02-10 Procédé de préparation de compositions à base d'oxydes mixtes de zirconium et de cérium.

Publications (1)

Publication Number Publication Date
ZA94840B true ZA94840B (en) 1994-09-05

Family

ID=9443901

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA94840A ZA94840B (en) 1993-02-10 1994-02-08 Process for the preparation of compositions based on mixed zirconium and cerium oxides

Country Status (13)

Country Link
US (1) US5532198A (xx)
EP (1) EP0611192B1 (xx)
JP (1) JPH0816015B2 (xx)
KR (1) KR940019600A (xx)
AT (1) ATE167166T1 (xx)
AU (1) AU664506B2 (xx)
BR (1) BR9400473A (xx)
CA (1) CA2115304C (xx)
DE (1) DE69410845T2 (xx)
ES (1) ES2120581T3 (xx)
FI (1) FI940594A (xx)
FR (1) FR2701472B1 (xx)
ZA (1) ZA94840B (xx)

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KR101593683B1 (ko) * 2008-02-12 2016-02-12 가부시키가이샤 산도쿠 복합 산화물
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KR101507325B1 (ko) * 2013-12-20 2015-03-31 희성촉매 주식회사 배기가스 정화용 촉매 부재 및 워시코트
SI24659A (sl) 2014-03-20 2015-09-30 Institut "Jožef Stefan" Metoda za sintezo tankih plasti tetragonalnega cirkonijevega oksida primernega za katalitične naprave
JP6695417B2 (ja) * 2016-02-26 2020-05-20 日本曹達株式会社 光触媒構造体及びその製造方法
KR101828791B1 (ko) * 2016-07-27 2018-02-13 한국화학연구원 개질반응용 내열성 개선 모노리스 촉매
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Also Published As

Publication number Publication date
FI940594A (fi) 1994-08-11
DE69410845D1 (de) 1998-07-16
JPH0816015B2 (ja) 1996-02-21
EP0611192B1 (fr) 1998-06-10
EP0611192A1 (fr) 1994-08-17
FR2701472B1 (fr) 1995-05-24
JPH06316416A (ja) 1994-11-15
DE69410845T2 (de) 1999-01-14
ES2120581T3 (es) 1998-11-01
CA2115304C (fr) 1999-08-10
AU664506B2 (en) 1995-11-16
AU5392594A (en) 1994-08-18
KR940019600A (ko) 1994-09-14
BR9400473A (pt) 1994-09-27
ATE167166T1 (de) 1998-06-15
CA2115304A1 (fr) 1994-08-11
FR2701472A1 (fr) 1994-08-19
US5532198A (en) 1996-07-02
FI940594A0 (fi) 1994-02-09

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