Method of controlling alkaline pulping process
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United States of America Patent
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Jan 23, 1990
Issued Date -
N/A
app pub date -
Mar 23, 1989
filing date -
Dec 28, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of controlling an alkaline pulping process, sulphate pulping in particular. The concentration of the dissolved components as well as the concentration of the recidual cooking chemical are measured. The measurements are carried out by means of an analyzer positioned outside of the cooking process in a separate liquid flow. The measuring devices are per se known detectors. The cooking process is observed and the necessary corrections are made on the basis of the measuring results.
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