Articles with "nox reduction" as a keyword



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Engineering a Kesterite‐Based Photocathode for Photoelectrochemical Ammonia Synthesis from NOx Reduction

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Published in 2022 at "Advanced Materials"

DOI: 10.1002/adma.202201670

Abstract: Ammonia is a key chemical feedstock for industry as well as future carbon‐free fuel and transportable vector for renewable energy. Photoelectrochemical (PEC) ammonia synthesis from NOx reduction reaction (NOxRR) provides not only a promising alternative… read more here.

Keywords: nox reduction; kesterite based; ammonia synthesis; ammonia ... See more keywords
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NOx Reduction in the Iron Ore Sintering Process with Flue Gas Recirculation

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Published in 2017 at "JOM"

DOI: 10.1007/s11837-017-2268-z

Abstract: Flue gas recirculation (FGR) has been implemented for exhaust gas emissions reduction in iron ore sintering. However, the mechanism of NOx reduction through FGR is still unclear. In this paper, the laboratory pot-grate sintering test… read more here.

Keywords: reduction; flue gas; combustion; gas ... See more keywords
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Thermally activated epoxy-functionalized carbon as an electrocatalyst for efficient NOx reduction

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Published in 2021 at "Carbon"

DOI: 10.1016/j.carbon.2021.06.042

Abstract: Abstract Large toxic emissions like nitrogen and sulphur oxides (NOx, SO2) are causing serious environmental and health issues. Catalytic reduction of NOx and SOx into friendly gases is considered one of the best approaches. However,… read more here.

Keywords: gas; thermally activated; activity; nox reduction ... See more keywords
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Performance of Fe-Ni-W exchanged zeolite for NOx reduction with NH3 in a lab-scale circulating fluidized bed

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Published in 2022 at "Fuel"

DOI: 10.1016/j.fuel.2021.121807

Abstract: Abstract Selective non-catalytic reduction of NOx (SNCR) with NH3 is commonly used in industrial facilities like circulating fluidized bed (CFB) furnaces. However, the strongly temperature-dependent de-NOx feature confines its applications in a specific temperature range… read more here.

Keywords: reduction; nh3; exchanged zeolite; circulating fluidized ... See more keywords
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Ba-doped vs. Sr-doped LaCoO3 perovskites as base catalyst in diesel exhaust purification

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Published in 2020 at "Molecular Catalysis"

DOI: 10.1016/j.mcat.2020.110913

Abstract: Abstract Perovskites (ABO3) have emerged in recent years as an economic alternative to noble metals for oxidation-reduction reactions in diesel engines aftertreatment systems. Sr-doped La1-xSrxCoO3 perovskites have shown high efficiency in NO oxidation and limited… read more here.

Keywords: reduction; oxidation; base catalyst; efficiency ... See more keywords
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Unique Compensation Effects of Heavy Metals and Phosphorus Copoisoning over NOx Reduction Catalysts.

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Published in 2022 at "Environmental science & technology"

DOI: 10.1021/acs.est.2c02255

Abstract: Selective catalytic reduction (SCR) of NOx from the flue gas is still a grand challenge due to the easy deactivation of catalysts. The copoisoning mechanisms and multipoisoning-resistant strategies for SCR catalysts in the coexistence of… read more here.

Keywords: nox reduction; compensation effects; metals phosphorus; heavy metals ... See more keywords
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Industrial Experiment on NOx Reduction by Urea Solution Injection in the Fuel-Rich Zone of a 330 MW Tangentially Pulverized Coal-Fired Boiler

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Published in 2022 at "ACS Omega"

DOI: 10.1021/acsomega.1c07276

Abstract: The effects of various factors on NOx reduction by urea solution injection in the fuel-rich zone (UIFR) under a reducing atmosphere at high temperature were experimentally investigated in a 330 MW tangentially pulverized coal-fired boiler.… read more here.

Keywords: nox reduction; zone; reduction urea; coal fired ... See more keywords
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Effects of Chlorine Addition on Nitrogen Oxide Reduction and Mercury Oxidation over Selective Catalytic Reduction Catalysts

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Published in 2022 at "ACS Omega"

DOI: 10.1021/acsomega.2c00350

Abstract: The effect of chlorine on mercury oxidation and nitrogen oxides (NOx) reduction over selective catalytic reduction (SCR) catalysts was investigated in this study. Commercial SCR catalysts achieved a high Hg0 oxidation efficiency when Cl2 was… read more here.

Keywords: nox reduction; oxidation; hg0 oxidation; cl2 ... See more keywords
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Spectrokinetic study of the mechanism of NOx reduction with propylene over ZrO2 in excess oxygen

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Published in 2017 at "Kinetics and Catalysis"

DOI: 10.1134/s0023158417020082

Abstract: It has been demonstrated by quantitative spectrokinetic measurements that, on the surface of zirconia stabilized as a tetragonal phase, the rate-limiting step of the selective catalytic reduction of nitrogen oxides (SCR of NOx) with propylene… read more here.

Keywords: reduction; oxygen; zro2; study ... See more keywords
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Unchanged nitrate and nitrite isotope fractionation during heterotrophic and Fe(II)-mixotrophic denitrification suggest a non-enzymatic link between denitrification and Fe(II) oxidation

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Published in 2022 at "Frontiers in Microbiology"

DOI: 10.3389/fmicb.2022.927475

Abstract: Natural-abundance measurements of nitrate and nitrite (NOx) isotope ratios (δ15N and δ18O) can be a valuable tool to study the biogeochemical fate of NOx species in the environment. A prerequisite for using NOx isotopes in… read more here.

Keywords: nox reduction; isotope fractionation; isotope; denitrification ... See more keywords
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NOx Reduction Pathways during LNT Operation over Ceria Containing Catalysts: Effect of Copper Presence and Barium Content

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Published in 2021 at "Applied Sciences"

DOI: 10.3390/app11125700

Abstract: Ceria-based catalysts, with Cu in substitution of noble metals, were studied in a vertical microreactor system under isothermal conditions, where NOx was previously stored, followed by the reduction step conducted under H2. The possible remaining… read more here.

Keywords: reduction; copper; reduction pathways; ceria based ... See more keywords