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1. WO2020201954 - LANTHANUM-BASED PEROVSKITE-TYPE CATALYST COMPOSITIONS STABLE TO AGEING IN THREE-WAY CATALYSIS

Publication Number WO/2020/201954
Publication Date 08.10.2020
International Application No. PCT/IB2020/052918
International Filing Date 27.03.2020
IPC
B01J 23/34 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
23Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/113
16of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
32Manganese, technetium or rhenium
34Manganese
B01J 23/10 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
23Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/113
10of rare earths
B01J 23/83 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
23Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/113
70of the iron group metals or copper
76combined with metals, oxides or hydroxides provided for in groups B01J23/02-B01J23/36118
83with rare earths or actinides
B01J 23/00 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
23Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/113
B01J 21/06 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
21Catalysts comprising the elements, oxides or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium or hafnium
06Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
B01J 35/10 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
35Catalysts, in general, characterised by their form or physical properties
02Solids
10characterised by their surface properties or porosity
CPC
B01D 2255/2063
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
2255Catalysts
20Metals or compounds thereof
206Rare earth metals
2063Lanthanum
B01D 2255/20715
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
2255Catalysts
20Metals or compounds thereof
207Transition metals
20715Zirconium
B01D 2255/2073
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
2255Catalysts
20Metals or compounds thereof
207Transition metals
2073Manganese
B01D 2255/20738
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
2255Catalysts
20Metals or compounds thereof
207Transition metals
20738Iron
B01D 2255/2092
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
2255Catalysts
20Metals or compounds thereof
209Other metals
2092Aluminium
B01D 2255/402
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
2255Catalysts
40Mixed oxides
402Perovskites
Applicants
  • JOHNSON MATTHEY PUBLIC LIMITED COMPANY [GB]/[GB]
Inventors
  • NAGAOKA, Shuhei
  • PASCUI, Andrea Eva
  • PRICE, Emily
  • SIMMANCE, Kerry
Agents
  • WILSON, Nicola
Priority Data
62/826,04029.03.2019US
62/830,43106.04.2019US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) LANTHANUM-BASED PEROVSKITE-TYPE CATALYST COMPOSITIONS STABLE TO AGEING IN THREE-WAY CATALYSIS
(FR) COMPOSITIONS DE CATALYSEUR DE TYPE PÉROVSKITE À BASE DE LANTHANE STABLES VIS-À-VIS DU VIEILLISSEMENT EN CATALYSE À TROIS VOIES
Abstract
(EN)
Compositions, articles, and methods related to a three-way-catalyst composition comprising a perovskite-type compound of formula (I): LazB1-qB'qO3±δ or formula (II): [BOx]y : [LazBO3±δ]1-y and a non-redox active component; wherein B or B' is Fe, Mn, Co, Ni, Cu, Ti, or Zr; q is in a range from about 0 to about 0.5; x is from about 1 to about 2.5; y is from about 1 to about 30 wt%; z is about 0.6 to about 1.1; δ is in a range from about 0 to about 0.6.
(FR)
L'invention concerne des compositions, des articles, et des procédés se rapportant à une composition de catalyseur à trois voies comprenant un composé de type pérovskite de formule (I) : LazB1-qB'qO3±δ ou formule (II) : [BOx]y : [LazBO3±δ]1-y et un composant actif non redox ; B ou B'étant du Fe, du Mn, du Co, du Ni, du Cu, du Ti ou du Zr ; q est dans une plage d'environ 0 à environ 0,5 ; x est d'environ 1 à environ 2,5 ; y est d'environ 1 à environ 30 % en poids ; z est d'environ 0,6 à environ 1,1 ; δ est dans une plage d'environ 0 à environ 0,6.
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