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1. WO2020109759 - METHOD TO MODIFY THE SURFACE OF A MOLECULAR SIEVE WITH AN AMINOSILANE

Publication Number WO/2020/109759
Publication Date 04.06.2020
International Application No. PCT/GB2019/053318
International Filing Date 25.11.2019
IPC
C01B 39/02 2006.01
CCHEMISTRY; METALLURGY
01INORGANIC CHEMISTRY
BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF
39Compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites; Their preparation; After-treatment, e.g. ion-exchange or dealumination
02Crystalline 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
B01D 53/94 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
53Separation 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 or aerosols
34Chemical or biological purification of waste gases
92of engine exhaust gases
94by catalytic processes
B01J 29/76 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
29Catalysts comprising molecular sieves
04having base-exchange properties, e.g. crystalline zeolites, pillared clays
06Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
70of types characterised by their specific structure not provided for in groups B01J29/08-B01J29/65130
72containing iron group metals, noble metals or copper
76Iron group metals or copper
B01J 29/70 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
29Catalysts comprising molecular sieves
04having base-exchange properties, e.g. crystalline zeolites, pillared clays
06Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
70of types characterised by their specific structure not provided for in groups B01J29/08-B01J29/65130
B01J 37/00 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
37Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
CPC
B01D 2255/1021
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
2255Catalysts
10Noble metals or compounds thereof
102Platinum group metals
1021Platinum
B01D 2255/1023
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
2255Catalysts
10Noble metals or compounds thereof
102Platinum group metals
1023Palladium
B01D 2255/20761
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
2255Catalysts
20Metals or compounds thereof
207Transition metals
20761Copper
B01D 2255/50
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
2255Catalysts
50Zeolites
B01D 2258/012
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
2258Sources of waste gases
01Engine exhaust gases
012Diesel engines and lean burn gasoline engines
B01D 53/9418
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
53Separation 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,
34Chemical or biological purification of waste gases
92of engine exhaust gases
94by catalytic processes
9404Removing only nitrogen compounds
9409Nitrogen oxides
9413Processes characterised by a specific catalyst
9418for removing nitrogen oxides by selective catalytic reduction [SCR] using a reducing agent in a lean exhaust gas
Applicants
  • JOHNSON MATTHEY PUBLIC LIMITED COMPANY [GB]/[GB]
Inventors
  • KILMARTIN, John
  • SANKARAN, Ashwin
  • THOMPSETT, David
Agents
  • WILSON, Nicola
Priority Data
1819416.729.11.2018GB
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) METHOD TO MODIFY THE SURFACE OF A MOLECULAR SIEVE WITH AN AMINOSILANE
(FR) MÉTHODE DE MODIFICATION DE LA SURFACE D'UN TAMIS MOLÉCULAIRE AVEC UN AMINOSILANE
Abstract
(EN)
A method for modifying the surface of a molecular sieve, comprising reacting a molecular sieve with an aminosilane, wherein the reaction is carried out in an aqueous solvent. A modified molecular sieve obtained by the method is also described.
(FR)
L'invention concerne une méthode de modification de la surface d'un tamis moléculaire, comprenant la réaction d'un tamis moléculaire avec un aminosilane, la réaction étant effectuée dans un solvant aqueux. L'invention concerne également un tamis moléculaire modifié obtenu par la méthode.
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