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:
Apr. 01, 2014
Filed:
Nov. 23, 2010
Jolinde Machteld Van DE Graaf, The Hague, NL;
Arend Hoek, Amsterdam, NL;
Johannes Petrus DE Jonge, Amsterdam, NL;
Wiebe Sjoerd Kijlstra, Amsterdam, NL;
Antonius Adrianus Maria Roovers, Ltd Pulua Bukom, SG;
Jelle Rudolf Anne Sietsma, Amsterdam, NL;
Johannes Anthonius Robert Van Veen, Amsterdam, NL;
Jolinde Machteld Van De Graaf, The Hague, NL;
Arend Hoek, Amsterdam, NL;
Johannes Petrus De Jonge, Amsterdam, NL;
Wiebe Sjoerd Kijlstra, Amsterdam, NL;
Antonius Adrianus Maria Roovers, Ltd Pulua Bukom, SG;
Jelle Rudolf Anne Sietsma, Amsterdam, NL;
Johannes Anthonius Robert Van Veen, Amsterdam, NL;
Shell Oil Company, Houston, TX (US);
Abstract
The invention provides a process for converting a paraffinic feedstock comprising at least 50 wt % of compounds boiling above 370° C., a paraffin content of at least 60 wt %, an aromatics content below 1 wt %, a naphthenic content below 2 wt %, a nitrogen content below 0.1 wt %, and a sulphur content below 0.1 wt %, comprising: (a) reacting the feedstock with hydrogen at a temperature between 175 and 400° C. and a pressure between 20 and 100 bar using a catalyst comprising 0.005 to 5.0 wt % of a Group VIII noble metal on a carrier comprising 0.1-15 wt % zeolite beta and at least 40 wt % amorphous silica-alumina (b) withdrawing the effluent (c) subjecting the effluent to a fractionation step to form a heavy fraction, an intermediate fraction, and a light fraction; and (d) providing at least part of the heavy fraction to the reaction zone.