Method for improved turpentine recovery from modern cooking plants
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United States of America Patent
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-
Jun 10, 2008
Grant Date -
Sep 4, 2003
app pub date -
Dec 20, 2000
filing date -
Dec 29, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method for the preparation of pulp by means of alkaline cooking, in which method spent liquor is transferred to pressurized tanks, and at least one liquor is expanded corresponding to a temperature difference of 1 to 5.degree. C. The generated steam is led to turpentine recovery. Thus, the removal of turpentine and gases dissolved in said liquor is effective, the amount of recovered turpentine increases, and pulp of better washability and higher quality is obtained.
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Family
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- Non-US Classification not provided for expired patents
Cited Art Landscape
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- Citation Ranking not provided for expired patents
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