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Mechanistic investigation of NH3 oxidation over V-0.5Ce(SO4)2/Ti NH3-SCR catalyst 10.1016/j.catcom.2018.04.010 2018-04-12 NH3 oxidation over V-0.5Ce(SO4)2/Ti catalyst used for NH3-SCR was investigated and compared to that occurred over a commercial V-W/Ti catalyst. It was found that much more significant NH3 oxidation into N2 and N2O occurs over V-0.5Ce(SO4)2/Ti than commercial ...
Ag-(Mo-W)/ZrO2 catalysts for the production of propylene oxide: Effect of pH in the preparation of ZrO2 support 10.1016/j.catcom.2018.04.005 2018-04-10 Direct oxidation of propylene to propylene oxide was carried out over Ag-(Mo-W)/ZrO2 (pH X) catalysts prepared by changing the pH of Zr precursor solution from 3 to 14 while preparing the ZrO2 support. It was found that the fraction of monoclinic phase and th...
Biomass carbon modified Z-scheme g-C3N4/Co3O4 heterojunction with enhanced visible-light photocatalytic activity 10.1016/j.catcom.2018.04.003 2018-04-09 A novel biomass carbon (BC) modified Z-scheme g-C3N4/Co3O4 heterojunction photocatalyst (BC/g-C3N4/Co3O4) has been constructed via a facile approach. In addition, various kinds of characterization methods, including TEM, XPS, UV–vis DRS, VSM, photoluminescenc...
Laccase-TEMPO as an efficient catalyst system for metal- and halogen-free aerobic oxidation of thioethers to sulfoxides in aqueous media at ambient conditions 10.1016/j.catcom.2018.03.032 2018-04-01 We present for the first time an eco-friendly procedure for the aerobic oxidation of thioethers to sulfoxides using laccase-TEMPO catalyst system. This catalyst system allows for simpler (easy work-up) and greener methodologies (room temperature, phosphate bu...
Controllable synthesis of bis[3-(dimethylamino)propyl]amine over Cr and Co double-doped Cu/γ-Al2O3 10.1016/j.catcom.2018.03.031 2018-03-29 The continuous synthesis of bis[3-(dimethylamino)propyl]amine (BPA) by hydrogenation of 3-(dimethylamino)-propionitrile (PN) in the presence of 3-(N,N-dimethylamino)propylamine (PA) over copper-based catalysts was investigated. It was found that Cu-Cr2O3-CoO/...
Amino acid-paired dipyridine polymer as efficient metal- and halogen-free heterogeneous catalysts for cycloaddition of CO2 and epoxides into cyclic carbonates 10.1016/j.catcom.2018.03.030 2018-03-28 A series of amino acid-paired dipyridine polymers were synthesized and firstly used as metal- and halogen-free heterogeneous organocatalysts for chemical fixation of CO2 into cyclic carbonates. Glutamic acid (Glu)-paired dipyridine polymer (Pbpy-Glu) possesse...
Aerosol-assisted deposition of Mn-Fe oxide catalyst on TiO2 for superior selective catalytic reduction of NO with NH3 at low temperatures 10.1016/j.catcom.2018.02.019 2018-03-28 A series of Me-Fe/TiO2 catalysts was prepared via an aerosol-assisted deposition method, and used for the selective catalytic reduction of NO with NH3 (NH3-SCR) for the first time. Experimental results show that the spray-deposition Mn-Fe/TiO2, denoted Mn-Fe/...
Enhancement of Suzuki–Miyaura coupling reaction by photocatalytic palladium nanoparticles anchored to TiO2 under visible light irradiation 10.1016/j.catcom.2018.03.026 2018-03-27 Plasmonic property and catalytic performance of Pd anchored to TiO2 for Suzuki−Miyaura coupling (SMC) reactions are reported. Different from previous reports, this semiconductor with band gap ≥3 eV can afford C
Preparation of CuZnAl hydrotalcite-like catalysts for AsH3 abatement at low temperatures 10.1016/j.catcom.2018.03.028 2018-03-27 In this study, a series of CuZnAl hydrotalcite-like compound (HTLC) precursors were prepared by a hydrothermal method under varying synthesis conditions. The HTLCs and their respective metal oxides formed after calcination were characterized by XRD, SEM-EDS, ...
Highly selective hydrogenation of α, β-unsaturated carbonyl compounds over supported Co nanoparticles 10.1016/j.catcom.2018.03.017 2018-03-26 A nitrogen-doped porous carbon materials (CPNs) with supported Co nanoparticles (Co@CPNs) with lamellar structure, high surface area and excellent magnetic properties was synthesized successfully by one-pot method. The Co@CPNs exhibited an excellent catalytic...

Mechanistic investigation of NH3 oxidation over V-0.5Ce(SO4)2/Ti NH3-SCR catalyst

10.1016/j.catcom.2018.04.010

2018-04-12

NH3 oxidation over V-0.5Ce(SO4)2/Ti catalyst used for NH3-SCR was investigated and compared to that occurred over a commercial V-W/Ti catalyst. It was found that much more significant NH3 oxidation into N2 and N2O occurs over V-0.5Ce(SO4)2/Ti than commercial ...

Ag-(Mo-W)/ZrO2 catalysts for the production of propylene oxide: Effect of pH in the preparation of ZrO2 support

10.1016/j.catcom.2018.04.005

2018-04-10

Direct oxidation of propylene to propylene oxide was carried out over Ag-(Mo-W)/ZrO2 (pH X) catalysts prepared by changing the pH of Zr precursor solution from 3 to 14 while preparing the ZrO2 support. It was found that the fraction of monoclinic phase and th...

Biomass carbon modified Z-scheme g-C3N4/Co3O4 heterojunction with enhanced visible-light photocatalytic activity

10.1016/j.catcom.2018.04.003

2018-04-09

A novel biomass carbon (BC) modified Z-scheme g-C3N4/Co3O4 heterojunction photocatalyst (BC/g-C3N4/Co3O4) has been constructed via a facile approach. In addition, various kinds of characterization methods, including TEM, XPS, UV–vis DRS, VSM, photoluminescenc...

Laccase-TEMPO as an efficient catalyst system for metal- and halogen-free aerobic oxidation of thioethers to sulfoxides in aqueous media at ambient conditions

10.1016/j.catcom.2018.03.032

2018-04-01

We present for the first time an eco-friendly procedure for the aerobic oxidation of thioethers to sulfoxides using laccase-TEMPO catalyst system. This catalyst system allows for simpler (easy work-up) and greener methodologies (room temperature, phosphate bu...

Controllable synthesis of bis[3-(dimethylamino)propyl]amine over Cr and Co double-doped Cu/γ-Al2O3

10.1016/j.catcom.2018.03.031

2018-03-29

The continuous synthesis of bis[3-(dimethylamino)propyl]amine (BPA) by hydrogenation of 3-(dimethylamino)-propionitrile (PN) in the presence of 3-(N,N-dimethylamino)propylamine (PA) over copper-based catalysts was investigated. It was found that Cu-Cr2O3-CoO/...

Amino acid-paired dipyridine polymer as efficient metal- and halogen-free heterogeneous catalysts for cycloaddition of CO2 and epoxides into cyclic carbonates

10.1016/j.catcom.2018.03.030

2018-03-28

A series of amino acid-paired dipyridine polymers were synthesized and firstly used as metal- and halogen-free heterogeneous organocatalysts for chemical fixation of CO2 into cyclic carbonates. Glutamic acid (Glu)-paired dipyridine polymer (Pbpy-Glu) possesse...

Aerosol-assisted deposition of Mn-Fe oxide catalyst on TiO2 for superior selective catalytic reduction of NO with NH3 at low temperatures

10.1016/j.catcom.2018.02.019

2018-03-28

A series of Me-Fe/TiO2 catalysts was prepared via an aerosol-assisted deposition method, and used for the selective catalytic reduction of NO with NH3 (NH3-SCR) for the first time. Experimental results show that the spray-deposition Mn-Fe/TiO2, denoted Mn-Fe/...

Enhancement of Suzuki–Miyaura coupling reaction by photocatalytic palladium nanoparticles anchored to TiO2 under visible light irradiation

10.1016/j.catcom.2018.03.026

2018-03-27

Plasmonic property and catalytic performance of Pd anchored to TiO2 for Suzuki−Miyaura coupling (SMC) reactions are reported. Different from previous reports, this semiconductor with band gap ≥3 eV can afford C

Preparation of CuZnAl hydrotalcite-like catalysts for AsH3 abatement at low temperatures

10.1016/j.catcom.2018.03.028

2018-03-27

In this study, a series of CuZnAl hydrotalcite-like compound (HTLC) precursors were prepared by a hydrothermal method under varying synthesis conditions. The HTLCs and their respective metal oxides formed after calcination were characterized by XRD, SEM-EDS, ...

Highly selective hydrogenation of α, β-unsaturated carbonyl compounds over supported Co nanoparticles

10.1016/j.catcom.2018.03.017

2018-03-26

A nitrogen-doped porous carbon materials (CPNs) with supported Co nanoparticles (Co@CPNs) with lamellar structure, high surface area and excellent magnetic properties was synthesized successfully by one-pot method. The Co@CPNs exhibited an excellent catalytic...