Method and apparatus for automated monitoring of pulp...

Details Method and apparatus for automated monitoring of pulp... Method and apparatus for automated monitoring of pulp...

D - Textiles, Paper

21

G

D21G 9/00 (2006.01) D21C 7/12 (2006.01) G01N 33/34 (2006.01)

Patent

CA 2192406

The present invention relates to an automated tracer system and method for measuring the residence time of wood pulp as it moves through various stages of processing in a pulp mill. A tracer compound comprising a neutral salt of a halogen is introduced into a first location in the path of the pulp slurry; at a second location an automated detector detects the concentration of tracer compound over a time period; a controller relays a voltage signal from the detector to a processor which uses a calibration curve to integrate tracer concentration over time and thereby derive pulp residence, between the first and second locations.

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