DK2202201T3 - Ammoniakoxidationskatalysatorer - Google Patents

Ammoniakoxidationskatalysatorer Download PDF

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Publication number
DK2202201T3
DK2202201T3 DK08172820.6T DK08172820T DK2202201T3 DK 2202201 T3 DK2202201 T3 DK 2202201T3 DK 08172820 T DK08172820 T DK 08172820T DK 2202201 T3 DK2202201 T3 DK 2202201T3
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Denmark
Prior art keywords
blocks
catalyst
catalyst unit
unit according
ammonia oxidation
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DK08172820.6T
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English (en)
Inventor
Marvin Estenfelder
Alberto Cremona
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Clariant Prod (Italia) Spa
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    • 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
    • B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
    • B01J35/56—Foraminous structures having flow-through passages or channels, e.g. grids or three-dimensional [3D] monoliths
    • B01J35/57—Honeycombs
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00—Nitrogen; Compounds thereof
    • C01B21/20—Nitrogen oxides; Oxyacids of nitrogen; Salts thereof
    • C01B21/24—Nitric oxide (NO)
    • C01B21/26—Preparation by catalytic or non-catalytic oxidation of ammonia
    • C01B21/265—Preparation by catalytic or non-catalytic oxidation of ammonia characterised by the catalyst
    • 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
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/24—Stationary reactors without moving elements inside
    • B01J19/248—Reactors comprising multiple separated flow channels
    • B01J19/2485—Monolithic reactors
    • 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
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/89—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals
    • B01J23/8933—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/8986—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with manganese, technetium or rhenium
    • 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
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • 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
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/024—Multiple impregnation or coating
    • B01J37/0248—Coatings comprising impregnated particles
    • 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
    • B01J37/08—Heat treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/10—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
    • B32B3/12—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material characterised by a layer of regularly- arranged cells, e.g. a honeycomb structure
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00—Nitrogen; Compounds thereof
    • C01B21/20—Nitrogen oxides; Oxyacids of nitrogen; Salts thereof
    • C01B21/24—Nitric oxide (NO)
    • C01B21/26—Preparation by catalytic or non-catalytic oxidation of ammonia
    • C01B21/28—Apparatus
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
    • C07B33/00—Oxidation in general
    • 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
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/0201—Impregnation
    • B01J37/0205—Impregnation in several steps
    • 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
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/0201—Impregnation
    • B01J37/0207—Pretreatment of the support
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24149—Honeycomb-like

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Exhaust Gas After Treatment (AREA)

Claims (13)

1. Katalysatorer til ammoniakoxidation dannet af en eller flere katalytiske enheder, hvoraf hver af dem er dannet af et par af blokke, der har en honey-comb-struktur og omfatter en ammoniakoxidationskatalysator, hvor hver af blokkene har en højde på mindre end 15 cm og mere end 2 cm, og der imellem dem er placeret et lag, som udfører den funktion, at det blander reagensgasstrømmen ensartet, med en højde på mere end 0,5 cm og ikke mere end 3 cm, dannet af skummateriale med åbne, vilkårligt forbundne celler.
2. Katalysatorenhed ifølge krav 1, hvor det mellemliggende skumlag har en højde på 0,5-2 cm.
3. Katalysatorenhed ifølge krav 1 eller 2, hvor højden af hver af blokkene er fra 2 til 6 cm.
4. Katalysatorenhed ifølge et af kravene 1 til 3, hvor massefylden af cellerne i honeycomb-blokkene ligger i området fra 3 til 10 celler/cm, og massefylden af porerne i skummaterialet er fra 4 til 20 porer/cm.
5. Katalysatorenhed ifølge et af kravene 1 til 4, hvor blokkene er dannet af keramisk eller metallisk materiale.
6. Katalysatorenhed ifølge et af kravene 1 til 5, hvor det keramiske materiale af blokkene med honeycomb-struktur har en Perowskit-struktur af AB03-typen, hvor A er et sjældent jordartselement eller blandinger deraf, og B er et overgangsmetalelement eller blandinger deraf.
7. Katalysatorenhed ifølge et af kravene 1 til 6, hvor blokkene har et antal celler pr. cm, hvilket kan være det samme eller forskelligt for hver af blokkene i katalysatorenheden, fra 3 til 10, og hvor antallet af porer pr. ca. i skumlaget er 4 til 20.
8. Katalysatorenhed ifølge et af kravene 1 til 7, hvor skumlaget er dannet af opskummet aluminium.
9. Katalysatorenhed ifølge krav 1 til 8, hvor ammoniakoxidationskatalysatoren foreligger i form af en coating opnået ved at dyppe blokkene i en opslæmning indeholdende gamma-aluminium med en på denne aflejret katalysator af blandede oxider med en sammensætning udtrykt i vægtprocent af CoO, MnO og sjældne jordartsmetaller i det laveste valensstadium på 20-45 % CoO, 50-60 % MnO og 0,5-20 % oxider af sjældne jordartsmetaller, fjerne blokkene fra opslæmningen og kalcinere dem.
10. Katalysatorenhed ifølge krav 7, hvor det sjældne jordartsmetaloxid er La203 og blandinger deraf med Ce02.
11. Katalysatorenhed ifølge krav 7, hvor den katalysatorcoating, der er til stede på blokkene, omfatter 0,001 -1 vægtprocent Pt.
12. Fremgangsmåde til ammoniakoxidation, hvor den anvendte katalysator er dannet af en eller flere katalysatorenheder ifølge et af kravene 1 til 8.
13. Fremgangsmåde til ammoniakoxidation ifølge krav 12, udført ved temperaturer fra 200 °C til 900 °C, et tryk på 1 til 12 bar abs. og GFISV fra 8.000 to 100.000 h'1.
DK08172820.6T 2008-12-23 2008-12-23 Ammoniakoxidationskatalysatorer DK2202201T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08172820.6A EP2202201B1 (en) 2008-12-23 2008-12-23 Ammonia oxidation catalysts

Publications (1)

Publication Number Publication Date
DK2202201T3 true DK2202201T3 (da) 2016-08-01

Family

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Application Number Title Priority Date Filing Date
DK08172820.6T DK2202201T3 (da) 2008-12-23 2008-12-23 Ammoniakoxidationskatalysatorer

Country Status (17)

Country Link
US (2) US8435917B2 (da)
EP (1) EP2202201B1 (da)
JP (1) JP5688898B2 (da)
KR (1) KR101671822B1 (da)
CN (1) CN101757953B (da)
BR (1) BRPI0905173B1 (da)
CA (1) CA2688949A1 (da)
CY (1) CY1117711T1 (da)
DK (1) DK2202201T3 (da)
ES (1) ES2582952T3 (da)
HR (1) HRP20160870T1 (da)
HU (1) HUE029042T2 (da)
LT (1) LT2202201T (da)
PL (1) PL2202201T3 (da)
PT (1) PT2202201T (da)
SG (1) SG162664A1 (da)
SI (1) SI2202201T1 (da)

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Publication number Publication date
JP2010149116A (ja) 2010-07-08
PT2202201T (pt) 2016-07-20
CN101757953A (zh) 2010-06-30
JP5688898B2 (ja) 2015-03-25
HRP20160870T1 (hr) 2016-09-23
SI2202201T1 (sl) 2016-08-31
US20100158784A1 (en) 2010-06-24
PL2202201T3 (pl) 2016-11-30
US20130164494A1 (en) 2013-06-27
ES2582952T3 (es) 2016-09-16
US8435917B2 (en) 2013-05-07
EP2202201B1 (en) 2016-04-20
BRPI0905173B1 (pt) 2017-12-26
HUE029042T2 (en) 2017-01-30
BRPI0905173A2 (pt) 2011-03-22
LT2202201T (lt) 2016-10-10
KR101671822B1 (ko) 2016-11-02
EP2202201A1 (en) 2010-06-30
CA2688949A1 (en) 2010-06-23
CY1117711T1 (el) 2017-05-17
CN101757953B (zh) 2016-09-07
KR20100074004A (ko) 2010-07-01
US10125020B2 (en) 2018-11-13
SG162664A1 (en) 2010-07-29

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