Method and apparatus for the separation of caustic liquor, lime sludge and sludge in a causticizing process
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United States of America Patent
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-
May 29, 1990
Issued Date -
N/A
app pub date -
Feb 8, 1988
filing date -
May 2, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a causticizing process for separating at least white liquor and lime sludge out of the process, filters in the form of discs or drums are arranged. The filtrations take place under positive pressure and the filters are arranged in a closed system. Such a pressure filter can also be arranged for the separation of sludge.
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