Treatment of waste products
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United States of America Patent
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Nov 4, 2008
Grant Date -
Sep 27, 2007
app pub date -
Oct 5, 2006
filing date -
Dec 21, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention provides a method for the encapsulation of fine particulate materials which comprises treating these materials with a microfine hydraulic inorganic filler which, typically, comprises a cementitious material, such as Portland Cement. The filler is ground to a much smaller particle size than is normally used in the production of a grout and is provided in the form of an aqueous composition for the treatment of the fine particulate materials by pumping under pressure through these materials such that they become intimately encapsulated. The method is particularly applicable to the treatment of waste materials and, most particularly, waste materials which are encountered in the nuclear industry.
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