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United States

US 12,697,584 B2

System and method for pre-purification of a feed gas stream

US 12,697,584 B2 is a granted patent from the United States Patent and Trademark Office (USPTO), dated 2026-08-04. Applicant: Linde GmbH; Praxair Technology Inc. Its PDF downloads from this page without an account, up to 5 a day.

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Applicant
Linde GmbH; Praxair Technology Inc
Inventors
Ralph J. Mancini; Cem E. Celik; Arthur C. Selover; Sesha Hari Vemuri; Thomas A. McNamara; Matthias Grahl; Helko Schneider
Publication date
2026-08-04
Filing date
2023-05-22
Document type
B2 Granted patent
Also written as
US 12,697,584 B2 · US12697584 · 12697584

Abstract

A system and method of pre-purification of a feed gas stream is provided that is particularly suitable for pre-purification of a feed air stream in cryogenic air separation unit. The disclosed pre-purification systems and methods are configured to remove substantially all of the hydrogen, carbon monoxide, water, and carbon dioxide impurities from a feed air stream and is particularly suitable for use in a high purity or ultra-high purity nitrogen plant.…

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Patent office website: United States Patent and Trademark Office (USPTO)

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