Patent ID: 6103125
Filing Date: 2000-08-15
Classification: B01D,B01F,C02F,Y02A,Y02W

Abstract:
A desalination system consisting:a service water line receiving municipal water under pressure for connection to a first service water inlet;a water treatment unit containing a housing, a water treatment element dividing the housing into a first chamber for receiving feed water and for retaining the salts and minerals in the feed water that do not pass through the unit and a second chamber for receiving desalinated produced water;a feed water inlet connected to the first chamber;a waste water outlet connected to the first chamber;a desalinated product water outlet connected to the second chamber;a rigid tank having an interior chamber and a flexible hollow product water bladder dividing the interior chamber into a recirculation compartment and an adjacent product water compartment, the flexible bladder being responsive to the pressure of water in the recirculation compartment for dispersing product water therefore the recirculation compartment having said service water inlet, a waste water inlet connected to said waste water outlet, a water utilization outlet and a feed water outlet connected to the first compartment of the water treatment unit;the product water compartment having an inlet connected to the desalinated product water outlet;a water utilization line containing a faucet or other water utilization appliance connected to the water utilization outlet of the recirculation compartment;the recirculation compartment and its inlets and outlets being constructed and arranged that in response to water being periodically utilized by said faucet or other appliance, service water under pressure is caused to enter the recirculation compartment through the service water inlet and mix with and dilute waste water from the first compartment of the water treatment unit from a dilute mixture which leaves said recirculation compartment through said water utilization outlet.