[go: up one dir, main page]

Wang et al., 2019 - Google Patents

NO oxidative activity of mesoporous LaMnO 3 and LaCoO 3 perovskite nanoparticles by facile molten-salt synthesis

Wang et al., 2019

Document ID
7304076666943042948
Author
Wang Q
Ma L
Publication year
Publication venue
New Journal of Chemistry

External Links

Snippet

LaMnO3 and LaCoO3 perovskite nanoparticles have sprung up as the platinum group-metal (PGM)-free catalysts of NO oxidation to reduce NOX in the exhaust. In this paper, we present mesoporous LaMnO3 and LaCoO3 with rhombohedral structures prepared by a facile …
Continue reading at pubs.rsc.org (other versions)

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
    • B01J23/46—Ruthenium, rhodium, osmium or iridium
    • B01J23/462—Ruthenium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/02—Solids
    • B01J35/10—Solids characterised by their surface properties or porosity
    • B01J35/1052—Pore diameter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/34—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves; Ionic sputtering; Flame or plasma spraying; Particle radiation
    • B01J37/341—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves; Ionic sputtering; Flame or plasma spraying; Particle radiation making use of electric or magnetic fields, wave energy or particle radiation
    • B01J37/347—Ionic or cathodic spraying; Electric discharge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, 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
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/002—Mixed oxides other than spinels, e.g. perovskite
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/002—Catalysts characterised by their physical properties
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/80—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70
    • C01P2002/85—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70 by XPS, EDX or EDAX data

Similar Documents

Publication Publication Date Title
Wang et al. NO oxidative activity of mesoporous LaMnO 3 and LaCoO 3 perovskite nanoparticles by facile molten-salt synthesis
Qiu et al. Facile preparation of ordered mesoporous MnCo 2 O 4 for low-temperature selective catalytic reduction of NO with NH 3
Venkataswamy et al. Nanostructured manganese doped ceria solid solutions for CO oxidation at lower temperatures
Kucharczyk et al. The effect of the calcination temperature of LaFeO3 precursors on the properties and catalytic activity of perovskite in methane oxidation
Zhang et al. Study of synergistic effect between CuO and CeO 2 over CuO@ CeO 2 core–shell nanocomposites for NH 3-SCO
Arango-Díaz et al. Preferential CO oxidation (CO-PROX) catalyzed by CuO supported on nanocrystalline CeO2 prepared by a freeze-drying method
Wu et al. Co 3 O 4 particles grown over nanocrystalline CeO 2: influence of precipitation agents and calcination temperature on the catalytic activity for methane oxidation
Prasad et al. Synthesis of nano-crystalline La1–xSrxCoO3–δ perovskite oxides by EDTA–citrate complexing process and its catalytic activity for soot oxidation
Cai et al. Focus on the modified CexZr1− xO2 with the rigid benzene-muti-carboxylate ligands and its catalysis in oxidation of NO
Dong et al. Effect of the V 4+(3+)/V 5+ ratio on the denitration activity for V 2 O 5–WO 3/TiO 2 catalysts
Wang et al. MOF-derived metal oxide composite Mn 2 Co 1 O x/CN for efficient formaldehyde oxidation at low temperature
Puleo et al. Palladium local structure of La 1− x Sr x Co 1− y Fe y− 0.03 Pd 0.03 O 3− δ perovskites synthesized using a one pot citrate method
Liu et al. Three dimensionally ordered macroporous Au/CeO 2 catalysts synthesized via different methods for enhanced CO preferential oxidation in H 2-rich gases
Feng et al. Improved durability of Co 3 O 4 particles supported on SmMn 2 O 5 for methane combustion
Lv et al. Promoting effect of zirconium doping on Mn/ZSM-5 for the selective catalytic reduction of NO with NH3
Zhang et al. Synergistic effect of cobalt and niobium in Co3-Nb-O x on performance of selective catalytic reduction of NO with NH3
Yang et al. Interfacial structure-governed SO 2 resistance of Cu/TiO 2 catalysts in the catalytic oxidation of CO
Kwon et al. Influence of attrition milling on V/Ti catalysts for the selective oxidation of ammonia
Zhang et al. Promotion effect of niobium on ceria catalyst for selective catalytic reduction of NO with NH3
de Oliveira Jardim et al. Superior performance of gold supported on doped CeO2 catalysts for the preferential CO oxidation (PROX)
Hamaguchi et al. Low-temperature NO-adsorption properties of manganese oxide octahedral molecular sieves with different potassium content
Wang et al. Pseudo core-shell LaCoO3@ MgO perovskite oxides for high performance methane catalytic oxidation
Nzuzo et al. Effect of d z2 orbital electron-distribution of La-based inorganic perovskites on surface kinetics of a model reaction
Wang et al. Modified hierarchical birnessite-type manganese oxide nanomaterials for CO catalytic oxidation
Wang et al. The Al promotional effect for Ce0. 4Zr0. 6O2 mixed oxides in selective catalytic oxidation of ammonia to nitrogen