Method and arrangement for increasing evaporation capacity of a multi-stage evaporator of spent liquor in a pulp mill
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United States of America Patent
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Oct 17, 2000
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N/A
app pub date -
Oct 30, 1997
filing date -
Nov 1, 1996
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Abstract
A method and arrangement for increasing evaporation capacity in a multi-stage evaporation plant of spent liquor of a pulp mill. The method includes increasing the pressure of vapor discharged from an evaporation stage by a separate booster, and supplying the vapor having increased pressure to the following evaporation stage. In the arrangement the booster (A-E) is provided in a conduit through which vapor is supplied from one evaporation stage onwards for increasing the pressure of the vapor conducted in the conduit.
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