Process and apparatus for automatically controlling the acid con

Details Process and apparatus for automatically controlling the acid con Process and apparatus for automatically controlling the acid con

1978-06-27

1979-10-30

Thomas, Earl C.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

423224, 423236, 423238, 423245, 55 19, 137 5, 137 93, 422 4, 422 5, 422 62, 422105, 422111, B01D 5334

Patent

active

041728807

ABSTRACT:
Optimum concentration of the acid-scrubbing solution employed in a scrubbing tower for removal of malodorous and/or toxic gases from the air is maintained automatically in a control system which senses the electrical conductivity of the solution to control acid-feeding apparatus. High and low concentration alarms are also provided to warn of malfunction.

REFERENCES:
patent: 1450023 (1923-03-01), Edelman
patent: 2113198 (1938-04-01), Nonhebel et al.
patent: 3844303 (1974-10-01), Moon et al.
patent: 4002722 (1977-01-01), Suzuki et al.

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