Chemical apparatus and process disinfecting – deodorizing – preser – Control element responsive to a sensed operating condition
Patent
1984-04-27
1986-01-28
Richman, Barry S.
Chemical apparatus and process disinfecting, deodorizing, preser
Control element responsive to a sensed operating condition
422106, 422229, 422231, 422235, 422259, 422260, 202169, B01L 1100
Patent
active
045670200
ABSTRACT:
An apparatus for carrying out a liquid-liquid extraction process by co-current contact between an extraction liquid and a liquid from which impurities are to be extracted includes a mixing compartment in the form of a vertical column having an open lower end and equipped in its interior and substantially throughout its length with a rotary element having surfaces extending perpendicularly or obliquely to the axis of the element. The open lower end of the column extends into a settling compartment in the form of a leak-proof container provided with means for determining the level of the extraction liquid in the container. The extraction liquid is recycled from the container by being converted to a gas and then reintroduced into the column. Compressed air is controlled electronically to supply make-up extraction liquid and any necessary reagents into the settling container to ensure that the level of the extraction liquid is maintained constant.
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Argoud Christian
Cognet Louis
Mallevialle Joel
Matray Francois
Ledbetter, Jr. Titus B.
Richman Barry S.
Societe Lyonnaise des Eaux et de l'Enclairage
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