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:
Jun. 11, 2013
Filed:
Feb. 17, 2010
Applicants:
Mircea Cretoiu, Sugar Land, TX (US);
Andrei Cimpeanu, Houston, TX (US);
Inventors:
Mircea Cretoiu, Sugar Land, TX (US);
Andrei Cimpeanu, Houston, TX (US);
Assignee:
GTC Technology US LLC, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Methods and apparatuses for extractive distillation using internal addition of steam to an extractive distillation column from a reboiler are described herein. The apparatuses include an extractive distillation column, a reboiler (for example, a kettle reboiler) coupled to the extractive distillation column, and a steam input line. The steam input line is coupled to an internal steam sparger device of the reboiler. Methods utilizing the apparatuses to perform extractive distillation of a hydrocarbon feed stream are also described herein.