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:
Aug. 27, 2002
Filed:
Jul. 18, 2001
Dennis Hearn, Houston, TX (US);
Gary R. Gildert, Houston, TX (US);
Hugh M. Putman, Houston, TX (US);
Catalytic Distillation Technologies, Pasadena, TX (US);
Abstract
A process for treating a light cracked naphtha to be used as an etherification feed stock is disclosed in which mercaptans, H S and diolefins are removed simultaneously in a distillation column reactor using a reduced nickel catalyst. The mercaptans and H S are reacted with the diolefins to form sulfides which are higher boiling than that portion of the naphtha which is used as feed to the etherification unit. The higher boiling sulfides are removed as bottoms along with any C and heavier materials. Any diolefins not converted to sulfides are selectively hydrogenated to mono-olefins for use in the etherification process.