FOULING PREDICTION METHOD, AND MEMBRANE FILTRATION SYSTEM
A fouling prediction method in a membrane filtration system for filtering raw water containing ions and salt components, the method involving a step for irradiating raw water before being filtered by the membrane module with excitation light of a plurality of different wavelengths, a step for measur...
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Format | Patent |
Language | English French Japanese |
Published |
20.09.2012
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Abstract | A fouling prediction method in a membrane filtration system for filtering raw water containing ions and salt components, the method involving a step for irradiating raw water before being filtered by the membrane module with excitation light of a plurality of different wavelengths, a step for measuring the fluorescence intensity of fluorescent light generated by irradiating excitation light of a plurality of different wavelengths, and a step for predicting the occurrence of fouling by using a coefficient set for each wavelength range of the fluorescent light and the value of the measured plurality of fluorescence intensities.
L'invention concerne un procédé de prédiction d'encrassement dans un système de filtration sur membrane pour filtrer de l'eau brute contenant des ions et des composants de sel, le procédé mettant en jeu une étape d'irradiation de l'eau brute avant qu'elle ne soit filtrée par le module de membrane par une lumière d'excitation d'une pluralité de différentes longueurs d'onde, une étape de mesure de l'intensité de fluorescence de la lumière fluorescente générée par irradiation par une lumière d'excitation d'une pluralité de différentes longueurs d'onde, et une étape de prédiction de l'apparition d'encrassement à l'aide d'un coefficient réglé pour chaque plage de longueur d'onde de la lumière fluorescente et de la valeur de la pluralité d'intensités de fluorescence mesurées. |
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AbstractList | A fouling prediction method in a membrane filtration system for filtering raw water containing ions and salt components, the method involving a step for irradiating raw water before being filtered by the membrane module with excitation light of a plurality of different wavelengths, a step for measuring the fluorescence intensity of fluorescent light generated by irradiating excitation light of a plurality of different wavelengths, and a step for predicting the occurrence of fouling by using a coefficient set for each wavelength range of the fluorescent light and the value of the measured plurality of fluorescence intensities.
L'invention concerne un procédé de prédiction d'encrassement dans un système de filtration sur membrane pour filtrer de l'eau brute contenant des ions et des composants de sel, le procédé mettant en jeu une étape d'irradiation de l'eau brute avant qu'elle ne soit filtrée par le module de membrane par une lumière d'excitation d'une pluralité de différentes longueurs d'onde, une étape de mesure de l'intensité de fluorescence de la lumière fluorescente générée par irradiation par une lumière d'excitation d'une pluralité de différentes longueurs d'onde, et une étape de prédiction de l'apparition d'encrassement à l'aide d'un coefficient réglé pour chaque plage de longueur d'onde de la lumière fluorescente et de la valeur de la pluralité d'intensités de fluorescence mesurées. |
Author | YAMAGATA, HIDEAKI ISHIDUKA, MIWA MATSUSHIRO, TAKESHI KUROKAWA, FUTOSHI YAMANAKA, OSAMU ARIMURA, RYOICHI KURIHARA, SHIOKO HIRAGA, YUKA |
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DocumentTitleAlternate | PROCÉDÉ DE PRÉDICTION D'ENCRASSEMENT ET SYSTÈME DE FILTRATION SUR MEMBRANE |
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Snippet | A fouling prediction method in a membrane filtration system for filtering raw water containing ions and salt components, the method involving a step for... |
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SubjectTerms | CHEMISTRY INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING METALLURGY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PHYSICS SEPARATION TESTING TRANSPORTING TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE |
Title | FOULING PREDICTION METHOD, AND MEMBRANE FILTRATION SYSTEM |
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