G - Physics – 05 – D
Patent
G - Physics
05
D
G05D 21/00 (2006.01) C02F 1/66 (2006.01) C02F 1/68 (2006.01)
Patent
CA 2578751
A reservoir management system for a water reservoir having inlet and outlet piping and means for adding chemicals in controlled amounts to the water within the reservoir. One or more eductor are positioned within the water reservoir to mix and circulate water within the reservoir. A recirculating pump is located externally to the reservoir and has an inlet line that taps into the outlet piping from the reservoir. One or more sample lines remove test streams of water from the reservoir which are analyzed to determine the level of at least one of chemical in the test stream to provide a chemical-related signal. A controller receives the signal and compares the signal to a set point indicative of the level of chemical desired within the reservoir to maintain, increase, or decrease the amount of chemical added to the water within the reservoir in controlled amounts. A flow meter monitors the rate of flow into the reservoir and retention time of water and generates one or more signals to the controller as the rate of flow varies from a set point.
Ahrens Earl
Routh Julian
Gowling Lafleur Henderson Llp
Severn Trent Water Purification Inc.
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