US 11,794,140 B1 | ||
Auxiliary filter for enhanced chemical protection | ||
Gregory Peterson, Bel Air, MD (US); Ryan Ballantyne, Columbus, OH (US); Michael Boruch, Fredericksburg, VA (US); William Clark, Fredericksburg, VA (US); Bruce Corso, Fredericksburg, VA (US); William B Feaver, Columbus, OH (US); Nicole Puckace, Darlington, MD (US); Jeffery Stephen Hoene, Churchville, MD (US); Joseph Hunt, King George, VA (US); Neil Kennihan, Dahlgre, VA (US); Craig LaMoy, King George, VA (US); Robert Kinter, Waldorf, MD (US); Michael J Knapke, Plain City, OH (US); Mark Noltimier, Columbus, OH (US); Michael Pompeii, Fredericksburg, VA (US); Chris Ritchey, Bel Air, MD (US); Joseph A Rossin, Columbus, OH (US); Rachel L Rossin, Ashville, OH (US); and Richard Warder, Jr, King George, VA (US) | ||
Assigned to The United States of America as Represented by the Secretary of the Army, Washington, DC (US) | ||
Filed by Combat Capabilities Development Command, Chemical Biological Center, APG, MD (US) | ||
Filed on May 18, 2020, as Appl. No. 16/877,033. | ||
Int. Cl. B01D 46/00 (2022.01); B01D 29/52 (2006.01); B01D 37/02 (2006.01); B01D 46/56 (2022.01); C08L 67/06 (2006.01) |
CPC B01D 46/0036 (2013.01) [B01D 29/52 (2013.01); B01D 37/025 (2013.01); B01D 46/56 (2022.01); B01D 2251/502 (2013.01); B01D 2251/504 (2013.01); B01D 2251/506 (2013.01); B01D 2251/602 (2013.01); B01D 2251/604 (2013.01); B01D 2252/20431 (2013.01); C08L 67/06 (2013.01)] | 25 Claims |
1. A process for enhancing the chemical protection capability of a collective protection filter, comprising:
passing a process stream exiting the collective protection filter through an auxiliary filter having filtration media comprising: an ammonia removal media; an oxidizing media; and a methyl bromide removal media, wherein the ammonia removal media, the oxidizing media, and the methyl bromide removal media are segregated within said filtration media; and wherein said ammonia removal media is located at an inlet side of the filtration media, said oxidizing media is located at a middle of the filtration media, and said methyl bromide removal media is located at an outlet side of the filtration media. |