US Government As Represented by the Secretary of the Army

Guild Associates, Inc.

Ryan Ballantyne

Gregory William Peterson

Joseph Anthony Rossin

Michael J Knapke

Michael A Pompeii

William B Feaver

Wayne Ballantyne

Joe Rossin

Mark Noltimier

William K Clark

Rachel L Rossin

Craig LaMoy

Neil Kennihan

David Neumann

Robert Kinter

Chris Ritchey

Michael Boruch

Richard Warder, Jr

Bruce Corso

Nicole Puckace

Mike Knapke

Jeffery Stephen Hoene

Joseph Hunt

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

The present invention is directed to an improved process for removing siloxanes from a biogas feed comprising (i) passing a gas feed through an adsorbent bed having an adsorbent having an inert surface to adsorb onto the adsorbent at least a portion of the siloxanes in the gas feed; and (ii) regenerating the adsorbent by removing siloxanes from the adsorbent. The adsorbent surface is rendered inert or nearly inert preferably via calcination.

Process for removal of siloxanes and related compounds from gas streams

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Columbus, OH, United States of America

Ryan Ballantyne