US Government As Represented by the Secretary of the Army

Chris Ritchey

Gregory William Peterson

Joseph Anthony Rossin

Michael J Knapke

Michael A Pompeii

William B Feaver

Ryan Ballantyne

Rachel L Rossin

Mark Noltimier

William K Clark

Michael Boruch

Bruce Corso

Richard Warder, Jr

Nicole Puckace

Jeffery Stephen Hoene

Joseph Hunt

Neil Kennihan

Craig LaMoy

Robert Kinter

A process and device for enhancing the chemical protection capability of a collective protection filter whereby the process stream exiting the collective protection filter is passed through an Auxiliary Filter. The auxiliary filter containing an ammonia removal media, such as zirconium hydroxide impregnated with zinc chloride (ZnCl/Zr(OH)), an oxidizing media, preferably zirconium hydroxide impregnated with potassium permanganate (KMnO/Zr(OH)), and a methyl bromide removal media, preferably activated carbon impregnated with triethylenediamine (TEDA/carbon). The auxiliary filter and process are configured to remove toxic industrial chemicals including NH, NO(mixtures of NO and NO) and CHO, and CHBr.

Auxiliary filter for enhanced chemical protection

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Bel Air, MD, United States of America

Chris Ritchey