[go: up one dir, main page]

Han et al., 2023 - Google Patents

Synergistic Reduction Mechanism of NO x by NH3 and CO Catalyzed by Mn–Co Oxides and the Oxidation Process of CO: In Situ DRIFTS and DFT Study

Han et al., 2023

Document ID
381306633896216456
Author
Han S
Xuan C
Wang L
Zhang X
Shao R
Cheng X
Wang Z
Publication year
Publication venue
Energy & Fuels

External Links

Snippet

In this study, Mn–Co bimetallic catalysts were prepared by a coprecipitation method. The effect of different Mn/Co molar ratios on the performance of NH3–SCR, CO-SCR, and CO oxidation was investigated, and a representative catalyst was selected to test the NO x …
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
    • 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
    • B01J23/002—Mixed oxides other than spinels, e.g. perovskite
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/10—Catalysts for performing the hydrogen forming reactions
    • C01B2203/1041—Composition of the catalyst
    • C01B2203/1076—Copper or zinc-based catalysts
    • 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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
    • 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
    • B01D53/46—Removing components of defined structure
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/04—Integrated processes for the production of hydrogen or synthesis gas containing a purification step for the hydrogen or the synthesis gas
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GASES [GHG] EMISSION, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation

Similar Documents

Publication Publication Date Title
Liu et al. Boosting SO2-Tolerant Catalytic Reduction of NO x via Selective Adsorption and Activation of Reactants over Ce4+–SO42–Pair Sites
Wei et al. Rationally tailored redox properties of a mesoporous Mn–Fe spinel nanostructure for boosting low-temperature selective catalytic reduction of NO x with NH3
Wang et al. Geometrical-site-dependent catalytic activity of ordered mesoporous Co-based spinel for benzene oxidation: in situ DRIFTS study coupled with Raman and XAFS spectroscopy
Guan et al. Selective catalytic reduction of NO x with NH3 over Mn, Ce substitution Ti0. 9V0. 1O2− δ nanocomposites catalysts prepared by self-propagating high-temperature synthesis method
Hu et al. Mechanistic aspects of deNO x processing over TiO2 supported Co–Mn oxide catalysts: Structure–activity relationships and in situ DRIFTs analysis
Gholami et al. Low-temperature selective catalytic reduction of NO by CO in the presence of O2 over Cu: Ce catalysts supported by multiwalled carbon nanotubes
Dou et al. Cerium doped copper/ZSM-5 catalysts used for the selective catalytic reduction of nitrogen oxide with ammonia
She et al. The role of AgOAl species in silver–alumina catalysts for the selective catalytic reduction of NOx with methane
Bin et al. Selective catalytic reduction of nitric oxide with ammonia over zirconium-doped copper/ZSM-5 catalysts
Luo et al. Identification of the active sites for CO and C3H8 total oxidation over nanostructured CuO− CeO2 and Co3O4− CeO2 catalysts
Qin et al. Peanut-shaped Cu–Mn nano-hollow spinel with oxygen vacancies as catalysts for low-temperature NO reduction by CO
Yang et al. Hexavalent metal cations doped into ceria inducing the formation of binuclear sites Ce3+–O–Ce3+ to boost the NH3-SCR reaction
Pan et al. Enhanced low-temperature CO-SCR denitration performance and mechanism of two-dimensional CuCoAl layered double oxide
Han et al. Synergistic Reduction Mechanism of NO x by NH3 and CO Catalyzed by Mn–Co Oxides and the Oxidation Process of CO: In Situ DRIFTS and DFT Study
Xu et al. Construction of surface synergetic oxygen vacancies on CuMn2O4 spinel for enhancing NO reduction with CO
Yan et al. Mechanistic Insight into the Promotion of the Low-Temperature NH3–SCR Activity over NiMnFeO x LDO Catalysts: A Combined Experimental and DFT Study
Almousawi et al. Hydroxyls on CeO2 support promoting CuO/CeO2 catalyst for efficient CO oxidation and NO reduction by CO
Zhao et al. Enhancement of Cs on Co3O4 for N2O catalytic decomposition: N2O activation and O2 desorption
Du et al. Investigation on NO reduction by CO and H2 over metal oxide catalysts Cu2M9CeOx
Pecchi et al. Soot oxidation on silver-substituted LaMn0. 9Co0. 1O3 perovskites
Zhang et al. Selective catalytic reduction of NOx with NH3 over Mn–Zr–Ti mixed oxide catalysts
Cheng et al. Constructing active copper species in Cu-zeolites for coal-gas-SCR and elucidating the synergistic catalytic function of CuO and Cu 2+ ion species
Gu et al. Highly dispersed FeAg-MCM41 catalyst for medium-temperature hydrogen sulfide oxidation in coke oven gas
Wu et al. Mechanistic and performance insights into low-temperature NH3-SCR based on Ce-modified Mn-Ti catalysts
Xuan et al. Mechanism of NO reduction by NH 3 over CuMnO x catalysts and the influence mechanism of CO