Gas separation – With nonliquid cleaning means for separating media – Solid agent cleaning member movingly contacts apparatus
Patent
1988-05-25
1990-02-20
Hart, Charles
Gas separation
With nonliquid cleaning means for separating media
Solid agent cleaning member movingly contacts apparatus
55 97, 55320, 55462, 73 28, B01D 5330
Patent
active
049023187
ABSTRACT:
An inlet apparatus for gas-aerosol sampling comprises an elutriator column and an impactor member. The elutriator column comprises an inlet and an impact accelerator jet outlet, and the inner surface of the column is provided with a coating of polytetrafluoroethylene-containing polymer. The impactor member includes a housing which surrounds the impact accelerator jet outlet and an impactor surface arranged within the housing and opposite the impact accelerator jet outlet. The inner surface of the housing is also provided with a polytetrafluoroethylene-containing polymer coating.
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John et al., "A New Method for Nitric Acid and Nitrate Aerosol Measurement Using the Dichotomous Sampler", submitted to Atmospheric Environment, July '86.
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Stevens Robert K.
Stone Charles
Hart Charles
The United States of America as represented by the Administrator
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