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Liquid additives for particulate emissions control

United States Patent

5,855,649
January 5, 1999
View the Complete Patent at the US Patent & Trademark Office
The present invention discloses a process for removing undesired particles from a gas stream including the steps of contacting a composition containing an adhesive with the gas stream; collecting the undesired particles and adhesive on a collection surface to form an aggregate comprising the adhesive and undesired particles on the collection surface; and removing the agglomerate from the collection zone. The composition may then be atomized and injected into the gas stream. The composition may include a liquid that vaporizes in the gas stream. After the liquid vaporizes, adhesive particles are entrained in the gas stream. The process may be applied to electrostatic precipitators and filtration systems to improve undesired particle collection efficiency.
Durham; Michael Dean (Castle Rock, CO), Schlager; Richard John (Aurora, CO), Ebner; Timothy George (Westminster, CO), Stewart; Robin Michele (Arvada, CO), Hyatt; David E. (Denver, CO), Bustard; Cynthia Jean (Littleton, CO), Sjostrom; Sharon (Denver, CO)
ADA Technologies Solutions, LLC (Englewood, CO)
08/ 808,034
August 4, 1997
This invention was made with Government support under contract No DE-FG02-93ER881500 awarded by the Department of Energy. The Government has certain rights in this invention.