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. 19, 2016
Filed:
Oct. 02, 2009
Henri Paradowski, Pluvigner, FR;
Sylvain Vovard, Courbevoie, FR;
Henri Paradowski, Pluvigner, FR;
Sylvain Vovard, Courbevoie, FR;
TECHNIP FRANCE, , FR;
Abstract
This process includes the cooling of an introduction stream () inside an upstream heat exchanger (). It includes the introduction of the cooled introduction stream () into a fractionating column () and the tapping at the bottom portion of the column () of the denitrided stream of hydrocarbons. It also includes the introduction of a stream () rich in nitrogen obtained from the head portion of the column () into a separation container () and the recovery of the head gaseous stream from the separation container () in order to form the stream () which is rich in helium. The liquid stream () is obtained from the bottom of the first separation container () is separated into a liquid nitrogen stream () and a first reflux stream () which is introduced as reflux into the head of the fractionating column ().