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:
Jan. 06, 2015
Filed:
Nov. 26, 2009
Applicants:
Arnab Chatterjee, Amsterdam, NL;
Carolus Matthias Anna Maria Mesters, Amsterdam, NL;
Ronald Jan Schoonebeek, Amsterdam, NL;
Eri Ito, Amsterdam, NL;
Inventors:
Arnab Chatterjee, Amsterdam, NL;
Carolus Matthias Anna Maria Mesters, Amsterdam, NL;
Ronald Jan Schoonebeek, Amsterdam, NL;
Eri Ito, Amsterdam, NL;
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/14 (2006.01); C10L 3/10 (2006.01); B01D 53/86 (2006.01);
U.S. Cl.
CPC ...
B01D 53/8603 (2013.01); B01D 53/1487 (2013.01); C10L 3/10 (2013.01); B01D 2257/306 (2013.01); B01D 2258/06 (2013.01);
Abstract
The present invention provides a process for purifying natural gas, comprising removing mercaptans from a natural gas stream by a combination of an amine-based separation unit and a selective oxidation unit to obtain a purified natural gas stream, wherein at least part of the mercaptans are converted into at least elemental sulphur in the selective oxidation unit by selective catalytic oxidation.