Patent · US Active

Process and apparatus for the separation of a gaseous mixture

US7708804B2 · kind B2 · utility

9Cited by

3References

17Claims

0Family size

Assignee

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

Inventors

Arthur Darde · Paris, FR
Bao Ha · Vacaville, US
Jean-Pierre Tranier · L'Haÿ-les-Roses, FR

Key dates

Filing date	Jul 11, 2007
Grant date	May 4, 2010
Priority date	—
Expiry date	Feb 12, 2028

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02E20/32
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A process for separating carbon dioxide from a fluid containing carbon dioxide, NO2, and at least one of oxygen, argon, and nitrogen comprises the steps of separating at least part of the fluid into a carbon dioxide enriched stream, a carbon dioxide depleted stream comprising CO2 and at least one of oxygen, argon, and nitrogen and a NO2 enriched stream and recycling said NO2 enriched stream upstream of the separation step.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.