Patent · US Active

Method and system for purification of helium using cryogenic, membrane, and adsorption techniques

US11952270B2 · kind B2 · utility

0Cited by

11References

15Claims

0Family size

Assignees

L'Air Liquide, Societe Anonyme Pour l'Etude et l'Exploitation des Procedes Georges Claude · FR
Air Liquide Advanced Technologies U.S. LLC · US

Inventors

Paul Terrien · Newton, US
Pierre-Philippe GUERIF · Houston, US
Vincent FOLLACA · Houston, US
Alain Guillard · Houston, US
Youssef TAZI · Verdun, FR

Key dates

Filing date	Oct 5, 2021
Grant date	Apr 9, 2024
Priority date	—
Expiry date	Jun 8, 2042

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC01B2210/007
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A method and system for purification of helium and CO2 from a stream containing at least Helium, CO2, nitrogen or methane uses a combination of cryogenic, membrane and adsorption technologies.

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