Liquid purification or separation – Processes – Including controlling process in response to a sensed condition
Patent
1995-05-04
1996-05-28
McCarthy, Neil
Liquid purification or separation
Processes
Including controlling process in response to a sensed condition
210754, 210764, 210104, 210136, 2101981, C02F 176
Patent
active
055208215
ABSTRACT:
A chlorinator in combination with a domestic water system is disclosed. The water system has a water inlet under the surface of an outdoor body of water, a pressurized storage tank, a water pump, an inlet pipe operably connecting the water pump and the water inlet, a detector/controller operable to sense the water level in the storage tank and to energize and de-energize the water pump as required to maintain the water level in the tank within predetermined limits, and an outlet line through which water can flow from the tank to the water system. The water pump is operably connected to discharge water into the interior of the storage tank. The chlorinator has a tank for storing dilute aqueous chlorine, a chlorine pump operably connected to withdraw aqueous chlorine from the aqueous chlorine tank, and to deliver the aqueous chlorine to the interior of the water inlet pipe near the water inlet. The capacities of the water pump and of the chlorine pump are such that, at a given chlorine concentration in the chlorine storage tank, the chlorine concentration of a mixture in the inlet pipe of effluent from the chlorine pump and water from the outdoor body pumped through the water inlet by the water pump is sufficiently high to be lethal to zebra mussels, but not sufficiently high that the mixture has an objectionable chlorine odor. The chlorine pump is operably connected so that it is energized whenever the water pump is energized, and de-energized whenever the water pump is de-energized.
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"Zebra Mussels: a 1992 Great Lakes Overview", the Great Lakes Sea Grant Network, 1992.
Screptock Andrew D.
Screptock Sylvia J.
McCarthy Neil
Purdue David C.
Purdue John C.
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