FR3081349B1 - Synthese directe d'un catalyseur comprenant une zeolithe de type structural afx et au moins un metal de transition pour la reduction selective de nox - Google Patents

Synthese directe d'un catalyseur comprenant une zeolithe de type structural afx et au moins un metal de transition pour la reduction selective de nox Download PDF

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Publication number
FR3081349B1
FR3081349B1 FR1854390A FR1854390A FR3081349B1 FR 3081349 B1 FR3081349 B1 FR 3081349B1 FR 1854390 A FR1854390 A FR 1854390A FR 1854390 A FR1854390 A FR 1854390A FR 3081349 B1 FR3081349 B1 FR 3081349B1
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Prior art keywords
transition metal
nox
catalyst
selective reduction
structural type
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FR1854390A
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FR3081349A1 (fr
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David Berthout
Bogdan Harbuzaru
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IFP Energies Nouvelles IFPEN
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IFP Energies Nouvelles IFPEN
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Priority to FR1854390A priority Critical patent/FR3081349B1/fr
Priority to PCT/EP2019/062553 priority patent/WO2019224081A1/fr
Publication of FR3081349A1 publication Critical patent/FR3081349A1/fr
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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
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/70—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65
    • B01J29/72—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65 containing iron group metals, noble metals or copper
    • 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
    • B01D53/9404—Removing only nitrogen compounds
    • B01D53/9409—Nitrogen oxides
    • B01D53/9413—Processes characterised by a specific catalyst
    • B01D53/9418—Processes characterised by a specific catalyst for removing nitrogen oxides by selective catalytic reduction [SCR] using a reducing agent in a lean exhaust gas
    • 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
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/70—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65
    • B01J29/72—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65 containing iron group metals, noble metals or copper
    • B01J29/74—Noble metals
    • 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
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/70—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65
    • B01J29/72—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65 containing iron group metals, noble metals or copper
    • B01J29/76—Iron group metals or copper
    • 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
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/70—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65
    • B01J29/78—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65 containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J35/56—
    • 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
    • B01J37/0246—Coatings comprising a zeolite
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B39/00—Compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites; Their preparation; After-treatment, e.g. ion-exchange or dealumination
    • C01B39/02—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof; Direct preparation thereof; Preparation thereof starting from a reaction mixture containing a crystalline zeolite of another type, or from preformed reactants; After-treatment thereof
    • C01B39/46—Other types characterised by their X-ray diffraction pattern and their defined composition
    • C01B39/48—Other types characterised by their X-ray diffraction pattern and their defined composition using at least one organic template directing agent
    • 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
    • B01J2229/00—Aspects of molecular sieve catalysts not covered by B01J29/00
    • B01J2229/10—After treatment, characterised by the effect to be obtained
    • B01J2229/18—After treatment, characterised by the effect to be obtained to introduce other elements into or onto the molecular sieve itself
    • B01J2229/186—After treatment, characterised by the effect to be obtained to introduce other elements into or onto the molecular sieve itself not in framework positions

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Catalysts (AREA)

Abstract

L'invention concerne un procédé de préparation d'un catalyseur à base de zéolithe de type structural AFX et d'au moins un métal de transition comprenant au moins les étapes suivantes : i) mélange en milieu aqueux, d'au moins une source d'au moins d'un élément tétravalent X sous forme oxyde XO2, au moins une source d'au moins un élément tétravalent sous forme oxyde Y2O3 d'un composé organique azoté R, d'au moins une source d'au moins un métal alcalin et/ou alcalino-terreux M jusqu'à l'obtention d'un gel précurseur homogène; ii) traitement hydrothermal dudit gel précurseur pour obtenir une phase solide cristallisée, dite « solide » ;iii) au moins un échange ionique avec un métal de transition, iv) traitement thermique. L'invention concerne également le catalyseur susceptible d'être obtenu ou directement obtenu par le procédé et son utilisation pour la réduction sélective de NOx.
FR1854390A 2018-05-24 2018-05-24 Synthese directe d'un catalyseur comprenant une zeolithe de type structural afx et au moins un metal de transition pour la reduction selective de nox Active FR3081349B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR1854390A FR3081349B1 (fr) 2018-05-24 2018-05-24 Synthese directe d'un catalyseur comprenant une zeolithe de type structural afx et au moins un metal de transition pour la reduction selective de nox
PCT/EP2019/062553 WO2019224081A1 (fr) 2018-05-24 2019-05-16 Synthese directe d'un catalyseur comprenant une zeolithe de type structural afx et au moins un metal de transition pour la reduction selective de nox

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1854390A FR3081349B1 (fr) 2018-05-24 2018-05-24 Synthese directe d'un catalyseur comprenant une zeolithe de type structural afx et au moins un metal de transition pour la reduction selective de nox
FR1854390 2018-05-24

Publications (2)

Publication Number Publication Date
FR3081349A1 FR3081349A1 (fr) 2019-11-29
FR3081349B1 true FR3081349B1 (fr) 2023-11-10

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FR1854390A Active FR3081349B1 (fr) 2018-05-24 2018-05-24 Synthese directe d'un catalyseur comprenant une zeolithe de type structural afx et au moins un metal de transition pour la reduction selective de nox

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FR (1) FR3081349B1 (fr)
WO (1) WO2019224081A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3095130B1 (fr) * 2019-04-19 2022-03-11 Ifp Energies Now Synthese rapide d’un catalyseur comprenant une zeolithe de type structural afx et au moins un metal de transition pour la reduction selective de nox
FR3101259B1 (fr) * 2019-09-30 2022-07-29 Ifp Energies Now Synthese a basse temperature de catalyseur a base de zeolithe afx et son application en nh3-scr
CN111905709A (zh) * 2020-07-31 2020-11-10 江南大学 一种介孔铈钛基低温脱硝催化剂及其制备方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5194235A (en) 1992-08-27 1993-03-16 Chevron Research And Technology Company Synthesis of SSZ-16 zeolite catalyst
JP6070230B2 (ja) 2013-02-01 2017-02-01 東ソー株式会社 Ａｆｘ型シリコアルミノリン酸塩及びその製造方法、並びにこれを用いた窒素酸化物還元方法
BR112017007017B1 (pt) * 2014-10-07 2021-05-18 Johnson Matthey Public Limited Company catalisador para tratamento de gás de escape, catalisador de composição de revestimento, sistema de tratamento de gás de escape, e, método para tratar um gás de escape
US20160137518A1 (en) 2014-11-14 2016-05-19 Johnson Matthey Public Limited Company Afx zeolite
EP3362173B1 (fr) 2015-10-12 2019-08-28 Umicore AG & Co. KG Synthèse directe de zéolites à petite pores contenant du cuivre
US10744449B2 (en) * 2015-11-16 2020-08-18 Exxonmobil Upstream Research Company Adsorbent materials and methods of adsorbing carbon dioxide
BR112018070992A2 (pt) * 2016-05-24 2019-01-29 Exxonmobil Chemical Patents Inc zeólita sintética compreendendo um metal catalítico
US10500573B2 (en) 2016-09-30 2019-12-10 Johnson Matthey Public Limited Company Zeolite synthesis with alkaline earth metal

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WO2019224081A1 (fr) 2019-11-28
FR3081349A1 (fr) 2019-11-29

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