Device for measuring permeate flow and permeate conductivity of individual reverse osmosis membrane elements
First Claim
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1. A system that permits assessment of performance of a reverse osmosis membrane element, comprising:
- said reverse osmosis membrane element;
a permeate tube within said reverse osmosis membrane element;
an elongated probing tube within the permeate tube of said reverse osmosis membrane element;
at least one sensor configured to measure a value used to assess said performance and disposed at an inlet side of said probing tube wherein said sensor is additionally provided with an RFID tag, and said value is linked to a reverse osmosis membrane element via communication between said RFID tag and an RFID tag mounted on said element; and
a recording device in electronic communication with said sensor so as to record results of said measurement.
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Abstract
The present disclosure relates to a system comprising an integrated sensor for measurement of permeate flow and permeate conductivity of individual membrane elements while they are in operation in an RO unit. The flow and conductivity measuring integrated sensor is of a small size that enables it to be inserted into the permeate tube of connected membrane elements during RO unit operation. Measured flow and conductivity information is transferred to the recording device through electric wires or through wireless transmission.
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Citations
13 Claims
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1. A system that permits assessment of performance of a reverse osmosis membrane element, comprising:
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said reverse osmosis membrane element; a permeate tube within said reverse osmosis membrane element; an elongated probing tube within the permeate tube of said reverse osmosis membrane element; at least one sensor configured to measure a value used to assess said performance and disposed at an inlet side of said probing tube wherein said sensor is additionally provided with an RFID tag, and said value is linked to a reverse osmosis membrane element via communication between said RFID tag and an RFID tag mounted on said element; and a recording device in electronic communication with said sensor so as to record results of said measurement. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method of assessing performance of reverse osmosis membrane elements, said method comprising:
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a) providing a system that permits assessment of performance of a reverse osmosis membrane element in a pressure vessel containing at least one said element, said system comprising; said reverse osmosis membrane element; a permeate tube within said reverse osmosis membrane element; an elongated probing tube within the permeate tube of said reverse osmosis membrane element; at least one sensor configured to measure a value used to assess said performance and disposed at an inlet side of said probing tube, wherein said sensor is additionally provided with an RFID tag, and said value is linked to a reverse osmosis membrane element via communication between said RFID tag and an RFID tag mounted on said element; and a recording device in electronic communication with said sensor so as to record results of said measurement; b) measuring at least one said value; c) transmitting results of said measurement to said recording device; and d) assessing said performance based on said results. - View Dependent Claims (11, 12, 13)
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Specification