A water treatment system provides treated or softened water to a point of use by removing a portion of any hardness-causing species contained in water from a point of entry coming from a water source, such as municipal water, well water, brackish water and water containing foulants. The water treatm
A water treatment system provides treated or softened water to a point of use by removing a portion of any hardness-causing species contained in water from a point of entry coming from a water source, such as municipal water, well water, brackish water and water containing foulants. The water treatment system typically treats the water containing at least some undesirable species before delivering the treated water to a point of use. The water treatment system has a reservoir system in line with an electrochemical device such as an electrodeionization device. The water treatment system has a sensor or a set of sensors for measuring at least one property of the water or an operating condition of the treatment system. The water treatment system also has a controller for adjusting or regulating at least one operating parameter of the treatment system or a component of the water treatment system to optimize the operation and performance of the system or components of the system to supply water tailored to quality requirements.
대표청구항▼
1. An electrodeionization system, comprising: a vessel fluidly connected downstream of a point of entry;a water property sensor configured to measure at least one property of water in the electrodeionization system;an electrodeionization device fluidly connected to the vessel;a controller, in commun
1. An electrodeionization system, comprising: a vessel fluidly connected downstream of a point of entry;a water property sensor configured to measure at least one property of water in the electrodeionization system;an electrodeionization device fluidly connected to the vessel;a controller, in communication with the water property sensor, configured to regulate at least one operational parameter of the electrodeionization device based on a signal from the water property sensor to produce treated water having a Langelier Saturation Index (LSI) of less than about 2; anda household water distribution system fluidly connected to the vessel and configured to deliver treated water from the vessel to a point of use. 2. The electrodeionization system of claim 1 wherein the vessel is a pressurized vessel. 3. The electrodeionization system of claim 1, wherein the controller is configured to regulate at least one of a turbidity, a pH, a temperature, a pressure, a flow rate, and a composition of treated water. 4. The electrodeionization system of claim 3, wherein the water property sensor is configured to detect a water property selected from the group consisting of: turbidity, pH, temperature, pressure, flow rate, and composition. 5. The electrodeionization system of claim 4, wherein the water property sensor is selected from the group consisting of: a nephelometer, a pH sensor, a temperature sensor, a pressure sensor, and a flow rate sensor. 6. The electrodeionization system of claim 1, wherein the controller is further configured to produce treated water having an LSI value of less than about 1. 7. The electrodeionization system of claim 6, wherein the controller is further configured to produce treated water having an LSI value of less than about zero. 8. The electrodeionization system of claim 1, wherein the electrodeionization device is fluidly connected in-line with the vessel via a recirculation loop. 9. The electrodeionization system of claim 1, wherein the vessel includes at least one baffle configured to disrupt fluid flow currents within the vessel. 10. The electrodeionization system of claim 1, wherein the vessel is part of a reservoir system having two or more zones. 11. The electrodeionization system of claim 10, wherein the reservoir system includes partitions to separate treated water from untreated water or mixtures of treated water and untreated water. 12. The electrodeionization system of claim 1, further comprising a pretreatment operation upstream of the vessel. 13. The electrodeionization system of claim 1, wherein the controller is responsive to a demand at the point of use. 14. The electrodeionization system of claim 1, wherein the water property sensor is positioned within the vessel. 15. The electrodeionization system of claim 1, further comprising an aeration system within the vessel. 16. The electrodeionization system of claim 1, wherein the controller is configured to periodically reverse polarity of the electrodeionization device.
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이 특허에 인용된 특허 (221)
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