Method for controlling a process

G - Physics – 01 – N

Patent

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G01N 27/02 (2006.01) G01N 27/00 (2006.01)

Patent

CA 2518795

The invention relates to a method for controlling a process, in which method at least part of the process raw materials are conducted into at least one measuring cell that comprises at least one working electrode and at least one reference electrode. In accordance with the invention, in the measuring cell, there is fed together with the raw material at least one component, and the changes caused by said component in the properties of the raw material are measured by a working electrode and a reference electrode provided in the measuring cell, and that the measurement results are utilized in order to define the composition of the raw material, and by means of the defined raw material composition, the process is controlled in order to eliminate a possible altering effect.

L'invention concerne un procédé de contrôle d'une opération. Dans ce procédé, une partie au moins des matières brutes de l'opération sont conduites dans au moins une cellule de mesure comprenant au moins une électrode active et au moins une électrode de référence. Selon l'invention, dans la cellule de mesure, au moins un constituant est acheminé conjointement avec la matière brute, les modifications de propriétés de la matière brute causées par ce constituant étant mesurées au moyen d'une électrode active et d'une électrode de référence disposées dans la cellule de mesure. Les résultats de mesure sont utilisés pour définir la composition de la matière brute. Au moyen de cette composition définie, le procédé est contrôlé en vue de la suppression d'un éventuel effet d'altération.

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