27 Articles found
ECO Physics AG Articles
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Vision Teknik representing ECO PHYSICS AG at Lab Indonesia
Alternative to the Lab Asia, the Lab Indonesia is the leading exhibition in Southeast Asia for scientific and laboratory equipment. It includes the markets Medical, Pharma, Oil&Gas, Bio- and Nanoscience. ECO PHYSICS AG was represented ...
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Impurity detection in Nitrous Oxide (N<sub>2</sub>O) manufacturing in the Chinese Semiconductor market by ECO PHYSICS’s nCLD844CMhr N<sub>2</sub>O edition
“Special gases” consist of high-purity, electronic and standard gases. Especially the electronic gases are a vital raw material for the electronic industrial production, such as integrated circuits, display devices or solar cells. ...
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Transition metals cobaltites spinel for depollution of NOₓ emissions using SCR technology
Abstract The catalytic performance of various transition metal (M = Cu, Mn, and Ni) cobaltites prepared by nanocasting method were investigated for the selective catalytic reduction (SCR) of NO under lean burn conditions. KIT-6 was used as a hard ...
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Synthesis and characterization of a novel organic nitrate NDHP: Role of xanthine oxidoreductase-mediated nitric oxide formation
Abstract In this report, we describe the synthesis and characterization of 1,3-bis(hexyloxy)propan-2-yl nitrate (NDHP), a novel organic mono nitrate. Using purified xanthine oxidoreductase (XOR), chemiluminescence and electron paramagnetic ...
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Real-world vehicle emissions as measured by in situ analysis of exhaust plumes
Abstract We conducted a 60-day roadside measurement campaign on a busy street in Münster, Germany, during summer 2016. We used gas and particle concentration measurements with high temporal resolution (10 Hz) to quantify both the emission ...
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Organic carbon at a remote site of the western Mediterranean Basin: sources and chemistry during the ChArMEx SOP2 field experiment
Abstract The ChArMEx (Chemistry and Aerosols Mediterranean Experiments) SOP2 (special observation period 2) field campaign took place from 15 July to 5 August 2013 in the western Mediterranean Basin at Ersa, a remote site in Cape Corse. During ...
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The influence of wall temperature on NO₂ removal and HONO levels released by indoor photocatalytic paints
Abstract Photocatalytic paints represent a promising remediation technology that has potential to be applied in mechanically ventilated buildings to improve indoor air quality. The photocatalytic paints are typically used to eliminate the ...
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High temperature and high concentration SCR of NO with NH₃ for the oxyfuel combustion process: fitting of kinetics to data from a laboratory reactor experiment
Abstract This study shows the result of a simulation of a proposed kinetic reaction scheme of high-concentration (5000 ppm NO) and high-temperature (570–800 K) selective catalytic reduction of NO with NH3 on a commercial vanadia based ...
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Emission reduction methods and split fuel injection in a marine four-stroke engine
Abstract The new emission legislation for sea-going vessels issued by the International Maritime Organization (IMO) requires drastic reduction in exhaust gas nitrogen oxides (NOX), and the combination of different primary methods can be an ...
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Urban eddy covariance measurements reveal significant missing NOx emissions in Central Europe
Abstract Nitrogen oxide (NOX) pollution is emerging as a primary environmental concern across Europe. While some large European metropolitan areas are already in breach of EU safety limits for NO2, this phenomenon does not seem to be only ...
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Effect of turbulence intensity on PM emission of heavy duty diesel trucks – Wind tunnel studies
Abstract Stringent emission regulations have forced drastic technological improvements in diesel aftertreatment systems, particularly in reducing Particulate Matter (PM) emissions. The formation and evolution of PM from modern engines are more ...
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Effect of soot on N₂O formation over pt based diesel oxidation catalyst supported on microporous TiO₂
Abstract The N2O formation over the diesel oxidation catalyst supported on microporous TiO2 has been investigated in the presence of the soot to simulate cold start or regeneration condition. The platinum (Pt) catalyst entrapped in micropore was ...
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Inter-annual variation of ambient ammonia and related trace gases in Delhi, India
Abstract In this study, ambient NH3, NO, NO2, CO and SO2 were measured continuously from February, 2008, to December, 2016. The annual average mixing ratios (mole/mole) of NH3, NO, NO2, CO and SO2 were 17.8 ± 3.4 ppb; ...
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Novel manganese oxide confined interweaved titania nanotubes for the low-temperature Selective Catalytic Reduction (SCR) of NOx by NH₃
Abstract A series of manganese confined titania nanotubes (Mn/TNT) prepared by alkaline hydrothermal synthesis technique and were investigated for the Selective Catalytic Reduction (SCR) of NOX with NH3 in the presence of excess (10 vol.%) ...
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Measurement of ambient NH₃ over Bay of Bengal during W_ICARB campaign
Abstract Concentrations of ambient NH3, NO, NO2 and SO2 were measured over Bay of Bengal (BoB) during 28 December 2008 to 25 January 2009 to study their diurnal variation and relationship of NH3 with other trace gases over BoB. The measurements ...
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CFD based exploration of the dry-low-NOx hydrogen micromix combustion technology at increased energy densities
Abstract Combined with the use of renewable energy sources for its production, hydrogen represents a possible alternative gas turbine fuel within future low emission power generation. Due to the large difference in the physical properties of ...
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Effects of wood-based renewable diesel fuel blends on the performance and emissions of a non-road diesel engine
Abstract Renewable fuels form an essential means to reduce greenhouse gas (GHG) emissions emitted by vehicles and non-road machines. Due to the limited production so far, different blends of renewable fuels in fossil fuels are a realistic way to ...
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Heterogeneous photochemistry of imidazole-2-carboxaldehyde: HO₂ radical formation and aerosol growth
Abstract The multiphase chemistry of glyoxal is a source of secondary organic aerosol (SOA), including its lightabsorbing product imidazole-2-carboxaldehyde (IC). IC is a photosensitizer that can contribute to additional aerosol ageing and growth ...
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Impact of NOx and OH on secondary organic aerosol formation from β-pinene photooxidation
Abstract In this study, the NOx dependence of secondary organic aerosol (SOA) formation from photooxidation of the biogenic volatile organic compound (BVOC) β-pinene was comprehensively investigated in the Jülich Plant Atmosphere ...
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Dual fuel turbocharged engine operated with exhaust gas recirculation
Abstract With good combustion characteristics, hydrogen has been developing as a clean alternative fuel of engines. This study is to develop a diesel/hydrogen dual fuel engine. The hydrogen was added at inlet port in a 4-cylinder direct injection ...