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Catalytic Destruction of Gaseous Freons

Catalytic Destruction of Gaseous Freons. Desiree Polson Departments of Chemical and Environmental Engineering and Atmospheric Sciences at The University of Arizona Advised by Dr. Eric Betterton 19 April 2008. Background Information on CFCs. Chlorofluorocarbons (CFCs)-Harmless to humans

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Catalytic Destruction of Gaseous Freons

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  1. Catalytic Destruction of Gaseous Freons Desiree Polson Departments of Chemical and Environmental Engineering and Atmospheric Sciences at The University of Arizona Advised by Dr. Eric Betterton 19 April 2008

  2. Background Information on CFCs • Chlorofluorocarbons (CFCs)-Harmless to humans • Commonly used until recently (1987)

  3. CFCs are a problem UV light CFCs

  4. The Ozone Hole

  5. The Solution • Use of Soil Vapor Extraction (SVE) to treat areas • Treatment of CFCs with Pt/Rh catalyst

  6. Soil Vapor Extraction (SVE)

  7. Flow Diagram of Reactor HCl HF

  8. View of Reactor and Catalyst

  9. Discoveries H

  10. Conclusion and Acknowledgments This process does break down CFCs One step closer to helping the stratospheric ozone layer NASA Space Grant Susan Brew Eric Betterton, Eduardo Saez, Robert Arnold, Brian Barbaris Erik Rupp, Marty Willinger Suzanne Richards, Jagoda Vojvodic

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