Method for producing oxygen, from air, particularly using an electrochemical cell with ceramic membrane, with control means for continuous production

US7846236B2 · kind B2 · utility

Assignee

• L'Air Liquide, Societe Anonyme Pour l'Etude et l'Exploitation des Procedes Georges Claude · FR

Inventors

• Pascal Del-Gallo · Étampes, FR
• Guylaine Gouriou · Guyancourt, FR

Key dates

• Filing date: Nov 17, 2006
• Grant date: Dec 7, 2010
• Expiry date: Jul 7, 2027

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C01B2210/0046
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

An oxygen generator is controlled to producing oxygen during a period t at a pressure P2 higher than P1, or during a period t′ with a flow rate D2 higher than D1, optionally with a pressure P2 higher than P1.