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The amount of usage of hydrated lime slurry is
largely dependent upon its
reactivity. The National Lime Association has published a
chart showing that as the water
to quicklime ratio decreases, the surface area of lime particles
increases. Since the Lime-Save
process (USPTO patent #7,718,085 & #7,897,062) allows for solids content well above
40%, less water is required to
slake the quicklime than normal operations. It follows that
hydrated lime slurry made from the Process would have higher than normal surface area.
Since surface area is a predictor of reactivity, it is assumed
that is at least part of the reason of the success of the Process at
the power plant near Phoenix Arizona resulted in a 38% saving in lime usage compared with
what was expected.
Batch processing allows the
amount of water to be used
to make the batch to be metered
into the mixing tank in relation to the known weight of the quicklime to
be slaked. After initial slaking, the slurry can be tested by a
simple method to make any further additions of water to result in a
consistent lime slurry product. |
Typical
Slurry
Analysis
National
Lime Association Chart
Bromatco, LLC
Phone: (602) 758-2815
Fax: (602) 391-2258
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