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Removal of Nitrogen Compounds before Deep Hydrotreatment of Synthetic Crude Oils
Synthetic crude oil Nitrogen removal Hydrotreatment Shale oil Oil sands bitumen
2009/8/4
Synthetic crude oils (SCOs) derived from oil shale, coal, and oil sands contain relatively large amounts of heteroatoms such as nitrogen and sulfur, and severe hydrorefining conditions are necessary ...
Effects of Small Amounts of Nitrogen Compounds in Feedstock on Performance of Hydrocracking Catalyst
Vacuum gas oil Hydrocracking Poisoning Ammonia Carbazole
2009/8/4
Poisoning by very small amounts of nitrogen compounds was investigated for the catalysts for two types of hydrocracking processes. Nitrogen-free vacuum gas oil was used as feedstock with carbazole an...
Separation of Organic Nitrogen Compounds by Supported Liquid Membranes Based on Ionic Liquids
Ionic liquid Supported liquid membrane Organic nitrogen compound
2009/7/27
Heterocyclic compounds including nitrogen (quinoline, isoquinoline, and pyridine) were separated from n-heptane mixtures through supported liquid membranes using room temperature ionic liquids, based...
Selective Catalytic Reduction of Nitrogen Monoxide with H2 or CO as Reductant in Presence of SO2
Selective reduction Nitrogen monoxide Hydrogen Carbon monoxide
2009/7/27
Ir/SiO2 and Rh/SiO2 catalysts showed excellent activity for NO reduction with CO or H2 in the presence of O2 and SO2. Ir/SiO2 catalyzed NO reduction with both CO and H2, whereas Rh/SiO2 catalyzed redu...
Characterization of Nitrogen Compounds in Vacuum Residues by Electrospray Ionization Fourier Transform Ion Cyclotron Resonance Mass Spectrometry
Vacuum residue Structural characterization Nitrogen compound
2009/7/24
The structural characteristics of the components of several vacuum residues from different geological sources (Taching, Sumatra light, Iranian heavy, Arabian mix, and Murban vacuum residues) were inv...