Preventive slag viscosity control by detection of alkali metals in the off-gases
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United States of America Patent
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Oct 11, 1994
Grant Date -
N/A
app pub date -
Aug 16, 1993
filing date -
Aug 16, 1993
priority date (Note) -
Expired
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Abstract
Methods and devices for controlling the viscosity of the slag in incinerating kilns. The alkali content is measured in the stream of the off-gasses, and additives are added in order to counteract the effect of the alkalis on the slag viscosity. The rate of addition of additives depends on the alkali analysis and the off-gas temperature in the kiln.
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