Liquid purification or separation – Processes – Including controlling process in response to a sensed condition
Patent
1996-01-02
1997-06-24
Drodge, Joseph W.
Liquid purification or separation
Processes
Including controlling process in response to a sensed condition
137 5, 137 93, 210 87, 210 961, 210101, 210746, 3661524, B01D 1712
Patent
active
056414102
ABSTRACT:
A water treatment system provides a flow of treated water having a pre-established quality, for example, a maximum TDS and permitted pH range, from a flow of reclaimed water having a quality poorer than the pre-established quality of the treated water and a flow of treatment water. The system includes a mixing reservoir; first and second fluid conduits connected to the mixing reservoir for flowing the reclaimed water and the treatment water into the reservoir; and a third fluid conduit connected to the mixing reservoir for discharging a flow of treated water from the mixing reservoir; and sensors connected for sensing the flow rates and qualities of the reclaimed water and treatment water flowed into the mixing reservoir and of the treated water discharged from the mixing reservoir. Electrical signals associated with the sensors indicate the sensed water flow rates and qualities, and controls responsive to the electrical signals regulate the flows of reclaimed water and treatment water into the mixing reservoir through the controlled flow valves in the first and second conduits so as to cause the quality of the treated water discharged from the mixing reservoir through said third fluid conduit to be at least about as good as the pre-established treated water quality. A corresponding method of providing treated water of defined quality is provided.
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patent: 5516423 (1996-05-01), Conoby et al.
Appel Gary
Drodge Joseph W.
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