Liquid purification or separation – Flow – fluid pressure or material level – responsive – Diverse sensing means
Patent
1979-02-08
1981-02-03
Adee, John
Liquid purification or separation
Flow, fluid pressure or material level, responsive
Diverse sensing means
210259, 210313, 55160, 55218, B03D 300
Patent
active
042487102
ABSTRACT:
An apparatus for providing permanent decantation and separation of solvents miscible or nonmiscible in water, which are nonconductive and are absorbed by activated carbon. Water containing the solvent is passed through a decanter separator for separating nonmiscible solvent from the water solution. After flowing through the decanter separator, the solvent saturated water is gravity fed to a filter element of microscopic porosity for absorbing solvent dissolved in the water. The water is then passed through a detection cell which is connected downstream of the filter element. The detection cell includes a solvent vapor detection head connected to an electronic circuit controlling alarms. Air is bubbled through the water and the detection cell to accelerate evaporation of the solvent dissolved in the water. If any solvent is present in the air, the detection head activates visual and sound alarms. Finally, the water discharged from the detection cell is then passed through an auxiliary filtering element of microscopic porosity before the water is discharged into the sewer. The apparatus provides a saving of solvent and prevents the flow of solvent into the sewer.
REFERENCES:
patent: 730356 (1903-06-01), Emond
patent: 3291562 (1966-12-01), Anderson
patent: 3429148 (1969-02-01), Worthington
patent: 4089662 (1978-05-01), Williams
patent: 4092846 (1978-06-01), Jeffray et al.
Adee John
VanOphem Remy J.
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