Process and apparatus for control in burning and slaking of lime and causticizing
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United States of America Patent
Stats
-
Dec 26, 1989
Grant Date -
N/A
app pub date -
Nov 18, 1987
filing date -
Feb 11, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Method and apparatus for controlling the reactivity of lime produced in a lime cycle process that includes the steps of forming burnt lime in a kiln, washing and filtering of lime sludge, and causticizing of green liquor, which lime cycle process steps are carried out under variable operating conditions. At least one mechanical property of the burnt lime is measured, and at least one operating condition of the time cycle process is adjusted, based on the measured mechanical property of the burnt lime, so as to thereby control the reactivity of lime produced in the lime cycle process.
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