The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 27, 2007
Filed:
Jun. 08, 2004
Rasmus Breivik, Hillerød, DK;
Johan Mogensen, Frederiksberg C, DK;
Kim Grøn Knudsen, Hellerup, DK;
Johannes Wrisberg, Holte, DK;
Bent Sarup, Frederiksberg C, DK;
Rasmus Breivik, Hillerød, DK;
Johan Mogensen, Frederiksberg C, DK;
Kim Grøn Knudsen, Hellerup, DK;
Johannes Wrisberg, Holte, DK;
Bent Sarup, Frederiksberg C, DK;
Haldor Topsoe A/S, Lyngby, DK;
Abstract
Process for the removal of coloured compounds in a hydrocarbon feedstock comprising the steps of hydrotreating the feedstock in presence of a first hydrotreating catalyst under conditions being effective in hydrogenation of hydrogenable compounds being present in the feedstock and hydrotreating an effluent from the first hydrotreating step in a second catalytic hydrotreating step being carried out in a second hydrotreating reactor at hydrotreating conditions, wherein the effluent from the first hydrotreating step is separated into a gas phase and a mixed gas and liquid phase prior to the second hydrotreating step, and the mixed phase is hydrotreated in the second hydrotreating step without further addition of hydrogen.