Venturi scrubber and method with optimized remote spray

Details Venturi scrubber and method with optimized remote spray Venturi scrubber and method with optimized remote spray

1994-11-04

1996-04-30

Miles, Tim R.

Gas separation: processes

Liquid contacting

And recycle or reuse of contact liquid for further contact

95225, 55223, 552576, 261116, 261DIG54, 261 22, B01F 304

Patent

active

055120857

ABSTRACT:
An air pollution control system incorporating a venturi scrubber and a method of cleansing a particulate-laden, contaminated gas flow are disclosed. Spray nozzles are used to introduce optimized droplets of a scrubbing liquid into the venturi to maximize the collection efficiency for optically active particles. The spray nozzles introduce the optimized droplets substantially upstream of the throat of the venturi such that the spray mixes with the effluent gas flow and cools the gas flow to substantially its saturation temperature prior to entering the venturi throat. This promotes collection of condensibles and inhibits the revolatilization of contaminants that are collected by the scrubbing droplets which might otherwise evaporate in the hot gas flow. The optimized droplets are highly effective in rapidly cooling the effluent gas flow.

REFERENCES:
patent: 2810450 (1957-10-01), Hartmann
patent: 2981370 (1961-04-01), Pilo
patent: 3883327 (1975-05-01), Thompson et al.
patent: 4141701 (1979-02-01), Ewan et al.
patent: 4364750 (1982-12-01), Koncz
patent: 4401444 (1983-08-01), Teller
patent: 4735636 (1988-04-01), Roberts
patent: 5039315 (1991-08-01), Liao et al.
patent: 5279646 (1994-01-01), Schwab

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