Patent ID: 7632410

Claim:
A water purification device comprising: at least one ultrafiltration membrane positioned to receive water flowing from a water source; a first ultraviolet light source positioned to expose water exiting the at least one ultrafiltration membrane to ultraviolet light of intensity adequate to destroy chlorine; a first conductivity analyzer receiving water from the at least one ultrafiltration membrane and measuring conductivity prior to a reverse osmosis membrane; a first reverse osmosis membrane receiving water exposed to the ultraviolet light source coupled with a means of passing water through the reverse osmosis membrane wherein the conductivity measurement collected by the first conductivity analyzer determines operation of the first reverse osmosis membrane comprising operating pressure of the water passing through the membrane; a second conductivity analyzer receiving and analyzing conductivity of water from the first reverse osmosis membrane; a second reverse osmosis membrane receiving water from the first osmosis membrane with a means of passing water through the reverse osmosis membrane wherein the conductivity measurement collected by the second conductivity analyzer determines processing operation of the second reverse osmosis membrane comprising an operating pressure lower than that in the first reverse osmosis membrane; a second storage vessel that receives water from the second reverse osmosis membrane; an ozone source positioned to contact water from the second storage vessel with ozone; a second ultraviolet source positioned to expose water contacted with ozone from the ozone source to ultraviolet light; and a control system that monitors and regulates the movement of water through the water purification device.