Articles with "selective catalytic" as a keyword



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Selective Catalytic Oxidation of Cyclohexene with Molecular Oxygen: Radical Versus Nonradical Pathways

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Published in 2018 at "Chemcatchem"

DOI: 10.1002/cctc.201701538

Abstract: We study the allylic oxidation of cyclohexene with O2 under mild conditions in the presence of transition‐metal catalysts. The catalysts comprise nanometric metal oxide particles supported on porous N‐doped carbons (M/N:C, M=V, Cr, Fe, Co,… read more here.

Keywords: oxygen; oxidation; selective catalytic; free radical ... See more keywords
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Freestanding Cobalt‐Aluminum Oxides on USY Zeolite as an Efficient Catalyst for Selective Catalytic Reduction of NOx

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Published in 2018 at "ChemCatChem"

DOI: 10.1002/cctc.201800779

Abstract: The selective catalytic reduction of NOx with propane as reductant (C3H8‐SCR) is an attractive alternative for the depletion of NOx generated under lean burn condition. Herein, we developed a novel and low‐cost three‐dimensional CoOx@USY catalyst… read more here.

Keywords: catalytic reduction; selective catalytic; usy zeolite; reduction nox ... See more keywords
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Spectroscopic Insights into the Mechanism of Selective Catalytic Reduction of NO by Ammonia on Sulfuric Acid‐modified Fe2O3 Surface

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Published in 2019 at "ChemCatChem"

DOI: 10.1002/cctc.201900584

Abstract: Recently, we show that a novel architecture based on sulfuric acid‐modified Fe2O3 nanoplates provide highly efficient catalyst for selective catalytic reduction of NO by NH3. In the present article, it has been possible to identify… read more here.

Keywords: catalytic reduction; selective catalytic; sulfuric acid; surface ... See more keywords
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Selective Catalytic Behavior Induced by Crystal-Phase Transformation in Well-Defined Bimetallic Pt-Sn Nanocrystals.

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Published in 2023 at "Small"

DOI: 10.1002/smll.202207956

Abstract: The Pt-Sn bimetallic system is a much studied and commercially used catalyst for propane dehydrogenation. The traditionally prepared catalyst, however, suffers from inhomogeneity and phase separation of the active Pt-Sn phase. Colloidal chemistry offers a… read more here.

Keywords: well defined; ptsn; selective catalytic; phase transformation ... See more keywords
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Controlled Synthesis of Mesoporous CeO2-WO3/TiO2 Microspheres Catalysts for the Selective Catalytic Reduction of NOx with NH3

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Published in 2019 at "Catalysis Surveys from Asia"

DOI: 10.1007/s10563-019-09278-0

Abstract: A series of mesoporous TiO2 supports were synthesized by changing the hydrothermal temperature. Subsequently, CeO2-WO3/TiO2 catalysts were prepared by impregnation method and applied for selective catalytic reduction (SCR) of NOx with NH3. In addition, the… read more here.

Keywords: selective catalytic; ceo2 wo3; wo3 tio2;
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Selective Catalytic Reduction of N2O by CO over Fe-Beta Zeolites Catalysts: Influence of Iron Species Distribution

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Published in 2020 at "Catalysis Surveys from Asia"

DOI: 10.1007/s10563-020-09313-5

Abstract: In this paper, selective catalytic reduction (SCR) of N 2 O by CO was investigated over Fe-beta zeolites catalysts. The catalysts were prepared by wet ion-exchange (IE), impregnation (IM) and solid state ion-exchange (SSIE) methods.… read more here.

Keywords: catalytic reduction; reduction; zeolites catalysts; selective catalytic ... See more keywords
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Polyacrylic acid supported TEMPO for selective catalytic oxidation of cellulose: recovered by its pH sensitivity

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Published in 2018 at "Cellulose"

DOI: 10.1007/s10570-018-2012-z

Abstract: Water-soluble polyacrylic acid was prepared by solution polymerization, and then partially acylated by SOCl2 to give a random copolymer of poly(acrylic acid-co-acryloyl chloride) (P(AA-co-AC)). Through the reaction of acyl chloride groups in P(AA-co-AC) with hydroxyl… read more here.

Keywords: catalytic oxidation; tempo selective; selective catalytic; oxidation cellulose ... See more keywords
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Selective catalytic reduction of NO with NH3 over the SAPO-34 supported transition metal nanocatalysts

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Published in 2017 at "Reaction Kinetics, Mechanisms and Catalysis"

DOI: 10.1007/s11144-017-1184-0

Abstract: A series of M/SAPO-34 (M=Cu, Fe, Co, and Mn) nanocatalysts was prepared via homogeneous deposition precipitation (HDP) using urea as the precursor for the precipitating agent, and further characterized by N2 adsorption, TEM, H2-TPR and… read more here.

Keywords: catalytic reduction; nh3; selective catalytic; sapo ... See more keywords
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Fe-Sb mixed oxide with high performance for the selective catalytic reduction NO with NH3

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Published in 2019 at "Reaction Kinetics, Mechanisms and Catalysis"

DOI: 10.1007/s11144-019-01568-y

Abstract: Fe-Sb mixed metal oxides were tested as potential catalysts of selective catalytic reduction of NO with NH3 (NH3-SCR). The novel catalyst FeSbOδ showed high catalytic activity and N2 selectivity in the temperature range from 200… read more here.

Keywords: catalytic reduction; mixed oxide; selective catalytic; performance ... See more keywords
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Effects of hydrothermal aging at high and low temperatures on the selective catalytic reduction of NOx with NH3 over Cu/SAPO-34

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Published in 2019 at "Research on Chemical Intermediates"

DOI: 10.1007/s11164-018-03712-0

Abstract: Effects of hydrothermal aging at 80 and 850 °C on catalytic performance and stability of Cu/SAPO-34 catalysts with different Cu loadings were examined, and their catalytic activities were investigated for the selective catalytic reduction (SCR) of… read more here.

Keywords: catalytic reduction; selective catalytic; sapo; hydrothermal aging ... See more keywords
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Improved catalytic activity and N2 selectivity of Fe–Mn–Ox catalyst for selective catalytic reduction of NO by NH3 at low temperature

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Published in 2018 at "Research on Chemical Intermediates"

DOI: 10.1007/s11164-018-3255-x

Abstract: FeOx, MnOx and Fe–Mn–Ox catalysts were prepared by the co-precipitation method and used for the selective catalytic reduction (SCR) of NOx by NH3 at low temperature. Fe–Mn–Ox catalyst showed the best catalytic activity and above… read more here.

Keywords: catalytic reduction; low temperature; temperature; selective catalytic ... See more keywords