9.Volatility.Volatilization.11

9.Volatility.Volatilization.11 - Atmosphere, Volatility and...

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Unformatted text preview: Atmosphere, Volatility and Volatilization Introduction Volatility and Volatilization Important Definitions Volatilization from Surfaces Volatilization from Water (Henrys law) Summary and Conclusions I. Introduction Atmosphere Temperature, Pressure and Altitude As expected, pressure declines as altitude increases. However, temperature fluctuates with altitude due to the stratospheric ozone layer! Ozone converts UV radiation to infrared (heat). Composition and Air Pollutants Overview of Chemodynamics Revisited Partitioning to air can occur from both water and solid surfaces (soils, leaves, etc.). Processes governed by different properties ( H versus P). Most important chemical dissipation route. Volatility is reflected by the vapor pressure (P) of a chemical. In the environment, volatilized chemicals behave like ideal gases thus the universal gas law applies....
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This note was uploaded on 03/10/2011 for the course ETX 102A taught by Professor Ronaldtjeerdema during the Winter '10 term at UC Davis.

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9.Volatility.Volatilization.11 - Atmosphere, Volatility and...

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