Wet-type exhaust gas desulfurization system having a means for s

Details Wet-type exhaust gas desulfurization system having a means for s Wet-type exhaust gas desulfurization system having a means for s

1991-12-05

1993-05-11

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Waste gas purifier

422169, 422172, 422257, 422281, 42324303, 261DIG75, B01D 5000, C10B 1700

Patent

active

052099059

ABSTRACT:
A wet-type exhaust gas desulfurization system comprises a reservoir for trapping an absorbing solution which has absorbed SO.sub.2 from exhaust gas; an absorbing solution circulating tank disposed directly under the reservoir; a plurality of bottom pipes which are installed at the bottom of reservoir and extend downward into the absorbing solution in the circulating tank and whose lower end is open, or drop pipes which depend into the absorbing solution and whose lower ends are open; and air supply pipe at least one end of which is open to the atmosphere; a pipe for discharging the air above the surface of absorbing solution onto the surface of solution in the reservoir; and a pipe for supplying the absorbing solution in the circulating tank to a spray nozzle at the upper part of the absorbing tower.

REFERENCES:
patent: 3960175 (1976-06-01), Liepe et al.
patent: 4114195 (1978-09-01), Dirksing et al.
patent: 4723968 (1988-02-01), Schippert et al.

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