Method for concentrating airborne particles and microorganisms b

Details Method for concentrating airborne particles and microorganisms b Method for concentrating airborne particles and microorganisms b

1997-07-07

1999-10-19

Noland, Kenneth

Classifying, separating, and assorting solids

Fluid suspension

209134, B03B 400

Patent

active

059673320

ABSTRACT:
A method for concentrating airborne particles and microorganisms by injecting them into a swirling air flow from where they are removed into one or more receiving tubes. The swirling air motion and the aerosol injection into it are achieved by pushing or drawing the airborne particles and microorganisms through one or more nozzles that are directed at an angle towards the surface of the containment vessel. The ratio of air flow rate into the vessel to the air flow rate through the receiving tube is equal to the maximum aerosol concentrating ratio desired.

REFERENCES:
patent: 4523682 (1985-06-01), Barmatz et al.
patent: 4894146 (1990-01-01), Giddings

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