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:
Feb. 20, 2018
Filed:
Oct. 01, 2014
L'air Liquide, Société Anonyme Pour L'etude ET L'exploitation Des Procédés Georges Claude, Paris, FR;
Christian Monereau, Montpellier, FR;
Yann-Pierrick Lemaire, Verrières, FR;
Louis Toulemonde, Douai, FR;
Paulo Silva, Cergy, FR;
Abstract
A pressure swing adsorption process for producing a gas stream enriched in a compound X from a feed gas stream is provided. The process includes at least 2 adsorbers, with each adsorber being subjected to a pressure cycle having a high pressure and a low pressure. The process includes adsorption at the high pressure with production of the gas stream enriched in compound X, depressurization to the low pressure with production of at least one portion of an elution gas, c) elution at the low pressure, and repressurization to the high pressure. The pressure cycle has a phase time corresponding to the duration of a pressure cycle divided by the number of adsorbers. The pressure of the pressure cycle is modified to keep the phase time of the PSA equal to or within ±5% of the nominal phase time.