WATER PURIFICATION SYSTEM
First Claim
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1. A water purification system comprising:
- an UF unit, a RO unit, and a tank;
said UF unit is upstream of said tank on an operation conduit, said tank is upstream of said RO unit on an RO conduit;
a backwash conduit between said tank and said UF unit.
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Abstract
The present invention concerns a water purification system comprising an ultrafiltration unit, a reverse osmosis unit, and a tank. The ultrafiltration unit is upstream of the tank on an operation conduit and the tank is upstream of the reverse osmosis unit on a reverse osmosis conduit. A backwash conduit is situation between said tank and said ultrafiltration unit.
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Citations
20 Claims
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1. A water purification system comprising:
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an UF unit, a RO unit, and a tank;
said UF unit is upstream of said tank on an operation conduit, said tank is upstream of said RO unit on an RO conduit;a backwash conduit between said tank and said UF unit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A water purification system comprising:
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an UF unit, a booster/CIP pump, an RO unit, and a tank; said UF unit is located at the upstream end of an operation conduit and said tank is located at the downstream end of said operation conduit; said tank is located at the upstream end of a RO conduit and said RO unit is located at the downstream end of said RO conduit, said booster/CIP pump is located downstream of said tank and upstream of said RO unit on said RO conduit. - View Dependent Claims (15, 16, 17, 18)
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19. A method of operating a water purification system comprising:
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conducting UF permeate from a tank to a RO unit along an RO conduit, and conducting fluid from said tank in an upstream direction through said UF unit along a backwash conduit in a UF backwash mode; wherein said tank is sized to allow said RO unit to operate during said UF backwash mode. - View Dependent Claims (20)
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Specification