Infrastructure protection from biological and chemical attacks by incineration with a regenerative heat exchanger
University of Kansas
posted on 01/12/2006
This invention is a new use for a regenerative heat exchangers in general, and the Cotrell-type regenerative heat exchanger (Cotrell, U.S. Pat. No. 2,121,733-1938) in particular.
Suggested Uses
Presently, Cotrell heat exchangers are used to oxidize chemicals, primarily from industrial sources. Applying this technology to protect buildings, vehicles, and other infrastructure from biological and chemical attack is a new use. Also, applying this technology to treat air from rooms used to work with hazardous materials is a new use. Presently adsorbents of various types can be used to remove chemicals from the air. Hepa Filters can remove some biological agents from the air. Viruses can be destroyed on surfaces using chemical agents, such as bleach, but cannot be removed effectively from air streams.
Detailed Description
This invention is a new use for a regenerative heat exchangers in general, and the Cotrell-type regenerative heat exchanger (Cotrell, U.S. Pat. No. 2,121,733-1938) in particular. Infrastructure air supplies are passed through the heat exchanger where they are heated to sufficiently high temperatures to destruct chemical and biological agents. The heat exchanger then cools the flowing air before venting to the infrastructure. Regenerative heat exchangers perform this task using relatively low energy input. This invention can also be utilized to clean air vented form rooms used to work with chemical and biological hazardous materials.