March 1, 2011
United States Patent 7,897,062 issued to ASI
The United States Patent Office has granted Applied Specialties, Inc. USP # 7,897,062 for its high solids lime slurry process.
Novel hydrated-lime slurry compositions are disclosed which include a heat-stable dispersant. The polymeric dispersant is capable to withstand temperatures in excess of 212 F. experienced by the slurry as a result of the hydrolysis of quicklime to produce hydrated lime, and accordingly can be added to the slurry composition prior to the addition of quicklime. Methods for making such slurry compositions are also disclosed.
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