Chemistry of inorganic compounds – Modifying or removing component of normally gaseous mixture
Patent
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.
Pettibone Corporation
Thomas Earl C.
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