1
Yao En Li, Magdy Meimari: Process for recovering SF6 from a gas. American Air Liquide, Burns Doane Swecker & Mathis L, January 5, 1999: US05855647 (20 worldwide citation)

A process for recovering SF.sub.6 from a gas is provided. The process includes the step of contacting a gas stream comprising SF.sub.6 and at least one of N.sub.2, O.sub.2, CO.sub.2, and H.sub.2 O with a membrane in at least one membrane separation unit at conditions effective to obtain a retentate ...


2
Li Yao En, Meimari Magdy: Methode de recuperation de sf6 a partir dun gaz, Process for recovering sf6 from a gas. Air Liquide Canada, L Air Liquide Societe Anonyme Pour L Etude Et L Exploitation Des Proced, Air Liquide Canada, L Air Liquide Societe Anonyme Pour L Etude Et L Exploitation Des Proced, SMART & BIGGAR, November 12, 2002: CA2237748

A process for recovering SF6 from a gas is provided. The process includes the step of contacting a gas stream comprising SF6 and at least one of N2, O2, CO2, and H2O with a membrane in at least one membrane separation unit at conditions effective to obtain a retentate stream rich in SF6 and a permea ...


3
Yates Stephen Frederic, Gaita Romulus, Ramachandra Amar, Morrell Robert: Process for recovering sulfur hexafluoride. Allied Signal, October 6, 1999: EP0946410-A1

The present invention relates to a process for recovering sulfur hexafluoride ("SF6"). More specifically, the invention provides a pressure swing adsorption-desorption process for recovering SF6 from a gas stream using zeolites, activated carbons, or silicalites to adsorb the SF6.


4
Yates Stephen Frederic, Gaita Romulus, Ramachandra Amar, Morrell Robert: Process for recovering sulfur hexafluoride. Alliedsignal Incorporate, September 25, 2000: KR1019997005353

PURPOSE: Provided is a process for recovering sulfur hexafluoride (SF6), more specifically, the invention provides a pressure swing adsorption-desorption process for recovering SF6 from a gas stream using zeolites, activated carbons, or silicalites to adsorb the SF6. CONSTITUTION: A process for reco ...