Preparation containing gypsum from flue gas desulphurisation, method for using the same and use thereof
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United States of America Patent
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Jul 4, 2006
Grant Date -
N/A
app pub date -
Nov 10, 1999
filing date -
Nov 17, 1998
priority date (Note) -
Expired
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Abstract
The present invention relates to a composition, and a method of preparing and using the same. The composition contains at least one water-soluble or water-dispersible polymer or combinations thereof, and one or more filler particles that includes WDP gypsum particles. The WDP gypsum particles are obtained from waste gas-desulphurization plants and have a particles size distribution mean diameter ranging from 13 .mu.m to 500 .mu.m. The composition is particularly useful as a surface coating, a surfacing compound, a sealing compound, an adhesive or a molding composition.
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