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Catalytic reduction

Microwave catalytic reduction of nitric oxide in activated carbon bed with a new microwave catalytic reactor system

Microwave catalytic reduction of nitric oxide in activated carbon bed with a new microwave catalytic reactor system

... microwave catalytic reactor system was ...microwave catalytic reduction of NO was studied in activated carbon bed by coupling the catalytic effect of microwave irradiation with the reducing ...

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Reduction of NOx using Selective Catalytic Reduction in a Bio-Fuelled C.I Engine

Reduction of NOx using Selective Catalytic Reduction in a Bio-Fuelled C.I Engine

... SCR(Selective Catalytic Reduction) plays a important role in decreasing NOx emission from the diesel engine using ammonia as the reducing agent in recent decades [3] ...

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Catalytic reduction of 4 nitrophenol with gold nanoparticles synthesized by caffeic acid

Catalytic reduction of 4 nitrophenol with gold nanoparticles synthesized by caffeic acid

... nanoparticles [20, 21]. According to their proposed model, the surface of metallic nanoparticles serves as the location where the catalytic reduction process occurs. Borohydride ions bind to the surface, ...

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Catalytic Reduction of Co2 in Gasoline Passenger Car

Catalytic Reduction of Co2 in Gasoline Passenger Car

... and catalytic reduction certainly is more efficient than mere physical absorption, as absorption is limited to physical nature of the ...Keywords:Catalytic reduction of CO R 2 R , Gasoline passenger ...

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Study on the mixing performance of static mixers in selective catalytic reduction (SCR) systems

Study on the mixing performance of static mixers in selective catalytic reduction (SCR) systems

... Selective catalytic reduction (SCR) system is a promising technique for reducing nitrogen oxides (NOx) emissions from diesel engines. Static mixers are widely used in SCR systems before reactors to promote ...

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Investigation on the effect of ammonia distribution on selective catalytic reduction conversion efficiency

Investigation on the effect of ammonia distribution on selective catalytic reduction conversion efficiency

... selective catalytic reduction efficiency. The center of selective catalytic reduction system's entrance is set as ammonia inlet instead of the urea ...selective catalytic ...

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SELECTIVE CATALYTIC REDUCTION OF NO BYC3H6 OVER A COMMERCIAL AUTOMOTIVE IRIDIUM BASED CATALYST

SELECTIVE CATALYTIC REDUCTION OF NO BYC3H6 OVER A COMMERCIAL AUTOMOTIVE IRIDIUM BASED CATALYST

... selective catalytic reduction activity measurements were carried out in a down flow fixed-bed quartz reactor at atmospheric pressure, as already described [18, ...

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A mathematical model and the corresponding software for combining selective catalytic reduction with regenerative heat exchange

A mathematical model and the corresponding software for combining selective catalytic reduction with regenerative heat exchange

... Selective Catalytic Reduction (SCR) catalysts were implanted in the regenerative heat exchange ...of catalytic reaction on the heat transfer process, the single channel one-dimensional mathematical ...

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The Preparation and Electrochemical Properties of Perovskite La0.6Sr0.4CoO3-d for Catalytic Reduction of Oxygen

The Preparation and Electrochemical Properties of Perovskite La0.6Sr0.4CoO3-d for Catalytic Reduction of Oxygen

... the catalytic performance of the powder as a bi- functional catalyst towards oxygen evolution reaction (OER) and oxygen reduction reaction (ORR) was ...

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Electro-catalytic Reduction of Aqueous Nitrates using Cu-Sn and Cu-Pd Cathodes

Electro-catalytic Reduction of Aqueous Nitrates using Cu-Sn and Cu-Pd Cathodes

... show catalytic activity. Selectivity of nitrate and nitrite reduction was observed in that Pd only reduces nitrite and Cu only reduces nitrate under the specified reaction ...nitrate reduction on ...

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Selective non-catalytic reduction – Fe-based additive hybrid technology

Selective non-catalytic reduction – Fe-based additive hybrid technology

... 25 KEYWORDS 26 SNCR, NOx, coal, additive, ammonia, Fe 27 NOMENCLATURE 28 AFR – Ammonia flow rate ml/min 29 NH3 – Ammonia utilisation efficiency 30 NOinitial – The concentration of NO in [r] ...

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Selective catalytic reduction of NO with NH3 on stannic and iron bimetal oxides/attapulgite catalysts

Selective catalytic reduction of NO with NH3 on stannic and iron bimetal oxides/attapulgite catalysts

... However, when the molar ratio of Sn/Fe is up to 2/3, SnO2 will be possible to cover the so small active metal γ-Fe2O3 it is hard to find γ-Fe2O3 diffraction peaks in XRD patterns of Fig.[r] ...

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Effect of Gelatin Stabilized Copper Nanoparticles on Catalytic Reduction of Methylene Blue

Effect of Gelatin Stabilized Copper Nanoparticles on Catalytic Reduction of Methylene Blue

... The catalytic performance of CuNPs@Gelatin was superior to that of CuNPs (G0) as a result of the utilization of gelatin as a capping ...the reduction time decreases with an increasing gelatin concentration, ...

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Glucomannan mediated facile synthesis of gold nanoparticles for catalytic reduction of 4 nitrophenol

Glucomannan mediated facile synthesis of gold nanoparticles for catalytic reduction of 4 nitrophenol

... In the present study, konjac glucomannan was intro- duced for the facile synthesis of gold nanoparticles, both as reducing agent and stabilizer (Figure 1). The synthe- sized gold nanoparticles were characterized in ...

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Preparation and Characterization of Silver Nanoparticles and Their Use in Catalytic Reduction of 4 Nitrophenol

Preparation and Characterization of Silver Nanoparticles and Their Use in Catalytic Reduction of 4 Nitrophenol

... chemical reduction, such as microemulsion techniques [19], UV-initiated photo reduction [20], photo induced reduction [21], electro- chemical synthetic methods [22], irradiation methods [23] and ...

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Monitoring of Basic Parameters for Selective Catalytic Reduction System Used in an Agricultural Tractor

Monitoring of Basic Parameters for Selective Catalytic Reduction System Used in an Agricultural Tractor

... examined tractor type. Their purpose was to keep the parameters within an optimal range. The sensors were mounted at SCR catalytic converter intake/ outlet ports and provided useful feedback. As further ...

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Microwave assisted catalytic reduction of sulfur dioxide with methane over MoS2 catalysts

Microwave assisted catalytic reduction of sulfur dioxide with methane over MoS2 catalysts

... X-ray diffraction analysis The mechanically mixed catalyst MC-2 and the supported catalyst SC-CH were both analyzed by X-ray diffraction after reaction at a measured temperature of 800◦ [r] ...

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Water Soluble Iron aminoclay for Catalytic Reduction of Nitrophenol

Water Soluble Iron aminoclay for Catalytic Reduction of Nitrophenol

... The catalytic behaviour of the aminoclay stabilized Fe nanopar ticle is studied. This nanocomposite is characterized by powder XRD, FTIR, TGA, EDX, HRSEM and HRTEM analyses. This nanocomposite exhibits excellent ...

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A computational study of the competing reaction mechanisms of the photo catalytic reduction of CO2 on anatase(101)

A computational study of the competing reaction mechanisms of the photo catalytic reduction of CO2 on anatase(101)

... transfer reactions very often exhibit low-energy barriers (less than 1.0 eV). 44,45 On the more practical side, this hypothesis would also allow a consistent computational setup to be applied for the three reaction ...

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Catalytic reduction of methyl blue using biosynthesized gold nanoparticles

Catalytic reduction of methyl blue using biosynthesized gold nanoparticles

... Gold nanoparticles (AuNPs) have attracted wide attention due to their significant applications in catalysis and environmental remediation. In particular, their high surface area to volume ratio contributes to their ...

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