Method and system for determining ultraviolet fluence received by a fluid

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United States of America Patent

PATENT NO 9658102
SERIAL NO

15036962

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Abstract

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There is described a method of determining the UV fluence received by a fluid. The method comprises the steps of: (a) irradiating the fluid at an unknown UV fluence; (b) measuring the fluorescence of a test sample of the fluid after irradiation in Step (a) to produce a test signal proportional to the concentration of a prescribed fluorescent composition of matter comprised in the test sample; and (c) determining the value of the unknown UV fluence by comparing the test signal to a calibration curve of a control signal proportional to concentration of the prescribed fluorescent composition of matter in the fluid as a function of applied UV fluence. There is also described a system for determining the UV fluence received by a fluid being treated in UV fluid treatment system comprising at least one UV source. The system comprises: (a) a radiation-transparent vessel for receiving a test sample of the fluid after irradiation of the fluid at an unknown UV fluence; (b) a fluorometer for measuring the fluorescence of the test sample received in the radiation-transparent vessel to produce a test signal proportional to the concentration of a prescribed fluorescent composition of matter comprised in the test sample; and (c) a controller configured to determine the value of the unknown UV fluence by comparing the test signal to a calibration curve of a control signal proportional to concentration of the prescribed fluorescent composition of matter in the fluid as a function of applied UV fluence.

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Patent Owner(s)

Patent OwnerAddress
TROJAN TECHNOLOGIESLONDON ON N5V 4T7

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kantzas, Trisevgeni Trissa Guelph, CA 3 1
Kustermans, Mark Adrian Strathroy, CA 2 1
Patras, Ankit Guelph, CA 1 1
Sasges, Michael Victoria, CA 18 71

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