Method of monitoring and controlling of mixing processes

Details Method of monitoring and controlling of mixing processes Method of monitoring and controlling of mixing processes

B - Operations, Transporting

01

F

B01F 15/04 (2006.01) B01F 3/20 (2006.01) G05D 11/02 (2006.01)

Patent

CA 2619702

A method for determining the degree of mixing between components in a mixing process, the method including the steps of: a) mixing at least two components and at least two luminescent materials to form a mixture, wherein the luminescent materials are added to the mixture separately from each other, and wherein each luminescent material has a uniquely detectable luminescence emission wavelength; b) detecting emitted luminescence from a sample of the mixture, wherein the emitted luminescence includes different luminescence intensities at the uniquely detectable luminescence emission wavelengths of the luminescent materials; c) wherein the ratio of luminescence intensities and/or the absolute or relative intensities of luminescence at the uniquely detectable luminescence emission wavelengths is indicative of the degree of mixing between the components.

La présente invention concerne un procédé permettant d'évaluer le degré de mélange entre composants au cours d'un processus de mélange. Ce procédé comporte plusieurs opérations. a) On commence par mélanger au moins deux composants et au moins deux matériaux luminescents pour former un mélange, les matériaux luminescents étant ajouté au mélange séparément l'un de l'autre. Chaque matériau luminescent est caractérisé par une émission par luminescence détectable de façon unique. b) On détecte ensuite la luminescence émise par un échantillon du mélange cette luminescence présentant différentes intensités de luminescence aux longueurs d'ondes de luminescence détectable de façon unique des matériaux luminescents. c) Du rapport des intensités de luminescence et/ou des intensités absolues ou relative de luminescence aux longueurs d'ondes de luminescence détectable de façon unique des matériaux luminescents on déduit le degré de mélange entre les composants.

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