Nothing Special   »   [go: up one dir, main page]

Zeng et al., 2019 - Google Patents

Novel ordered mesoporous γ-MnO2 catalyst for high-performance catalytic oxidation of toluene and o-xylene

Zeng et al., 2019

Document ID
7933029257929607072
Author
Zeng X
Cheng G
Liu Q
Yu W
Yang R
Wu H
Li Y
Sun M
Zhang C
Yu L
Publication year
Publication venue
Industrial & Engineering Chemistry Research

External Links

Snippet

The main bottleneck in the catalytic removal of volatile organic compounds (VOCs) is the desire to search for a cheap, highly efficient, and durable catalyst. Herein, we developed a facile synthesis of an ordered mesoporous γ-MnO2 nanostructure (meso-γ-MnO2) by …
Continue reading at pubs.acs.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
    • 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
    • B01J37/0215—Coating
    • 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
    • B01J35/004—Photocatalysts
    • 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
    • B01J23/38—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
    • 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
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
    • B01J21/063—Titanium; Oxides or hydroxides thereof
    • 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
    • B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, 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, 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
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • 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
    • B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • 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
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • 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
    • B01J29/00—Catalysts comprising molecular sieves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed

Similar Documents

Publication Publication Date Title
Zeng et al. Novel ordered mesoporous γ-MnO2 catalyst for high-performance catalytic oxidation of toluene and o-xylene
Wang et al. Improved activity and SO2 resistance by Sm-modulated redox of MnCeSmTiO X mesoporous amorphous oxides for low-temperature NH3-SCR of NO
Hong et al. Enhancing oxygen vacancies by introducing Na+ into OMS-2 tunnels to promote catalytic ozone decomposition
Zheng et al. Defective ultrafine MnO x nanoparticles confined within a carbon matrix for low-temperature oxidation of volatile organic compounds
Rong et al. Engineering crystal facet of α-MnO2 nanowire for highly efficient catalytic oxidation of carcinogenic airborne formaldehyde
Deng et al. Role of Structural Defects in MnO x Promoted by Ag Doping in the Catalytic Combustion of Volatile Organic Compounds and Ambient Decomposition of O3
Pan et al. Sphere-shaped Mn3O4 catalyst with remarkable low-temperature activity for methyl–ethyl–ketone combustion
Yao et al. Morphology and crystal-plane effects of CeO2 on TiO2/CeO2 catalysts during NH3-SCR reaction
Han et al. Investigation of the facet-dependent catalytic performance of Fe2O3/CeO2 for the selective catalytic reduction of NO with NH3
Zhang et al. Design of high-performance iron–niobium composite oxide catalysts for NH3-SCR: Insights into the interaction between Fe and Nb
Li et al. Self-propagated flaming synthesis of highly active layered CuO-δ-MnO2 hybrid composites for catalytic total oxidation of toluene pollutant
Putla et al. MnO x nanoparticle-dispersed CeO2 nanocubes: a remarkable heteronanostructured system with unusual structural characteristics and superior catalytic performance
Fan et al. Rationally Designed Porous MnO x–FeO x Nanoneedles for Low-Temperature Selective Catalytic Reduction of NO x by NH3
Zhang et al. Ag-doped δ-MnO2 nanosheets as robust catalysts for toluene combustion
Wang et al. Room-temperature oxidation of formaldehyde by layered manganese oxide: effect of water
Hou et al. Tremendous effect of the morphology of birnessite-type manganese oxide nanostructures on catalytic activity
Sudarsanam et al. Heterostructured copper–ceria and iron–ceria nanorods: role of morphology, redox, and acid properties in catalytic diesel soot combustion
Hu et al. In situ DRIFTs investigation of the low-temperature reaction mechanism over Mn-doped Co3O4 for the selective catalytic reduction of NO x with NH3
Li et al. Coral-like CoMnO x as a highly active catalyst for benzene catalytic oxidation
Liu et al. Removing surface hydroxyl groups of Ce-modified MnO2 to significantly improve its stability for gaseous ozone decomposition
Liu et al. Direct molten polymerization synthesis of highly active samarium manganese perovskites with different morphologies for VOC removal
Wang et al. Enhanced toluene combustion over highly homogeneous iron manganese oxide nanocatalysts
Zhang et al. Enhancing water resistance of a Mn-based catalyst for low temperature selective catalytic reduction reaction by modifying super hydrophobic layers
Mei et al. Roles of oxygen species in low-temperature catalytic o-xylene oxidation on MOF-derived bouquetlike CeO2
Yao et al. Hierarchical MnO x/Co3O4 Nanoarrays on Ni Foam for Catalytic Oxidation of Volatile Organic Compounds