B - Operations – Transporting – 03 – C
Patent
B - Operations, Transporting
03
C
183/42
B03C 3/16 (2006.01)
Patent
CA 1130220
-15- TITLE AIR SCRUBBER OPERATING METHOD ABSTRACT An air scrubber is operated to reduce the rate of escape of scrubbing-liquid particles from the scrubber along with the clean-air output. The scrubbing liquid is broken into finely divided particles which are mixed with the air and then concentrated together in a recapture region. The particles are preferably divided more finely than otherwise possible by adding a surface-active agent to the liquid, and electric field effects are created to produce electric image attraction between the concentrated particles. This is done either by producing static electric charges on the particles or by electrically charging an element in the region of the concentrated particles. The concentrated particles are made substantially more likely to reagglomerate and become more readily re- captured by adding a surface-active agent reducing liquid surface tension or an electrolyte increasing the conductivity of the liquid, or both. A preferred electrolyte for water as a scrubbing liquid is calcium chloride or sodium chloride. The electrolyte alone, the surfactant alone, and the combination of elec- trolyte and surfactant each effects substantially more liquid particle agglomeration and much less escape of liquid particles and entrained pollutants in the output from the scrubber.
338108
Kirby Eades Gale Baker
Mgi International Inc.
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