G - Physics – 01 – N
Patent
G - Physics
01
N
G01N 21/85 (2006.01) G01N 21/35 (2006.01)
Patent
CA 2170774
A method and apparatus for determining the concentration of a component present in a fluid stream in dispersed form wherein the following steps are carried out: (a) emitting a light beam in a predetermined range of wavelengths to a fluid sample to be analyzed, said sample flowing through a measurement cell; (b) selecting a number of different wavelengths in said predetermined range; (c) measuring a number of light intensities while sample fluid is flowing through the measurement cell and deriving therefrom a number of measurement sets which each consists of a number of measured light intensities at said different wavelengths; (d) measuring a number of light intensities, while reference fluid is flowing through the measurement cell and deriving therefrom a number of reference fluid measurement sets which each consists of a number of measured reference light intensities at said different wavelengths; (e) deriving from the data, thus obtained, information on the concentration of dispersed components in the fluid stream.
Procédé et appareil de mesure de la concentration d'un composant dispersé dans un fluide en mouvement comportant les étapes suivantes: (a) émission d'un faisceau lumineux sur une gamme prédéterminée de longueurs d'ondes en direction de l'échantillon de fluide à analyser tandis que ledit fluide traverse une sonde de mesure, (b) sélection de certaines longueurs d'ondes à l'intérieur de la gamme susdite, (c) mesure de différentes intensités lumineuses tandis que ledit fluide traverse la sonde dont sont extraits un certain nombre d'ensembles de mesures d'intensités lumineuses correspondant aux différentes longueurs d'ondes, (d) mesure de différentes intensités lumineuses tandis que ledit fluide traverse la sonde dont sont extraits un certain nombre d'ensembles de données de référence consistant chacun en mesures d'intensité lumineuse correspondant aux différentes longueurs d'ondes (e) extraction à partir des données ainsi obtenues d'informations sur la concentration du composant dispersé dans le fluide en mouvement.
Bannell John Lesley Kingsford
Schwing Alexander
Van Deelen Christiaan Charles Johannes
Shell Canada Limited
Smart & Biggar
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