Search Results - "Zeuthen, Per"

Reactions of Organic Sulfur and Nitrogen Compounds in the FCC Pretreater and the FCC Unit by Vistisen, Peter Ø, Zeuthen, Per

“…The effect of hydrotreating VGO (FCC pretreatment) at different severities was examined with respect to FCC performance. Furthermore, the reaction mechanisms…”
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Understanding the removal of V, Ni and S in crude oil atmospheric residue hydrodemetallization and hydrodesulfurization by Garcia-Montoto, Victor, Verdier, Sylvain, Maroun, Zeina, Egeberg, Rasmus, Tiedje, Joan L., Sandersen, Sara, Zeuthen, Per, Bouyssiere, Brice

“…This study describes the use of gel permeation chromatography inductively coupled plasma high-resolution mass spectrometry (GPC ICP HRMS) to examine and…”
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Characterization and Deactivation Studies of Spent Resid Catalyst from Ebullating Bed Service by Zeuthen, Per, Cooper, Barry H, Clark, Fred T, Arters, David

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Characterization and Identification of the most Refractory Nitrogen Compounds in Hydroprocessed Vacuum Gas Oil by Wiwel, Peter, Hinnemann, Berit, Hidalgo-Vivas, Angelica, Zeuthen, Per, Petersen, Bent O., Duus, Jens Ø.

“…There is currently a growing need to hydroprocess heavier and tougher crude oils with increased nitrogen content. Therefore, hydrodenitrogenation (HDN) has…”
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Industrial Investigation on the Origin of Sulfur in Fluid Catalytic Cracking Gasoline by Stratiev, Dicho S, Shishkova, Ivelina, Tzingov, Todor, Zeuthen, Per

“…Industrial experiments on the addition of H2S to the fluid catalytic cracking (FCC) feed (hydrotreated vacuum gas oil) were carried out in the commercial FCC…”
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Organic nitrogen compounds in gas oil blends, their hydrotreated products and the importance to hydrotreatment by Zeuthen, Per, Knudsen, Kim G., Whitehurst, D.D.

“…In the pretreatment of feeds for catalytic cracking and for HDA, the primary objective is to reduce the amount of organic sulfur and nitrogen compounds in the…”
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Assessing Compositional Changes of Nitrogen Compounds during Hydrotreating of Typical Diesel Range Gas Oils Using a Novel Preconcentration Technique Coupled with Gas Chromatography and Atomic Emission Detection by Wiwel, Peter, Knudsen, Kim, Zeuthen, Per, Whitehurst, Duayne

“…This paper describes the identification of nitrogen-containing compounds in a typical feed for diesel oil hydrotreating and how their individual concentrations…”
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Fluid Catalytic Cracking Unit Performance Improvement by Application of the Topsoe Aroshift Technology by Stratiev, Dicho S, Shishkova, Ivelina, Zeuthen, Per, Vistisen, Peter

“…Application of the Topsoe Aroshift Technology in the Lukoil Neftochim, Bulgaria (LNB), fluid catalytic cracking (FCC) unit was studied in this work. The…”
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13C n.m.r. quantitative analysis of catalyst carbon deposits by Fonseca, Antonio, Zeuthen, Per, Nagy, Janos B.

“…An assessment has been made of several techniques for the quantitative analysis of carbonaceous compounds by MAS 13C n.m.r. The best results were obtained…”
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Temperature-programmed oxidation studies of aged V-containing hydroprocessing catalysts by Zeuthen, Per, Bartholdy, J., Massoth, F.E.

“…Temperature-programmed oxidation (TPO) of a NiMo/alumina hydrotreating catalyst aged with Kuwait resid showed the presence of two distinct types of coke. A…”
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Assignment of an average chemical structure to catalyst carbon deposits on the basis of quantitative 13C n.m.r. spectra by Fonseca, Antonio, Zeuthen, Per, Nagy, Janos B.

“…The quantitative MAS 13C n.m.r. spectra of several catalyst carbon deposits (coke) were simulated using the LINESIM program. The aliphatic part of the coke…”
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New trimetallic catalyst improves FCCU feed quality by Patrie, William, Turner, William Jay, Zeuthen, Per

“…Although its previous hydroprocessing catalyst performed satisfactorily, a new trimetallic catalyst helped the Marathon Ashland LLC refinery achieve the same…”
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