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:
May. 30, 2006
Filed:
May. 20, 2002
John Mak, Santa Ana, CA (US);
Curt Graham, Mission Viejo, CA (US);
Chengwen Wayne Chung, Irvine, CA (US);
John Mak, Santa Ana, CA (US);
Curt Graham, Mission Viejo, CA (US);
Chengwen Wayne Chung, Irvine, CA (US);
Floor Technologies Corporation, Aliso Viejo, CA (US);
Abstract
A two-column NGL recovery plant includes an absorber () and a distillation column () in which the absorber () receives two cooled reflux streams, wherein one reflux stream () comprises a vapor portion of the NGL and wherein the other reflux stream () comprises a lean reflux provided by the overhead () of the distillation column (). Contemplat configurations are especially advantageous in a upgrade of an existing NGL plant and typically exhibit Crecovery of at least 99% and C2 recovery of at least 90%.