Energy conserving pozzolan compositions and cements incorporating same
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United States of America Patent
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Jun 29, 2010
Grant Date -
Oct 16, 2008
app pub date -
Apr 10, 2008
filing date -
Apr 10, 2007
priority date (Note) -
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Abstract
Pozzolan compositions incorporate glassy, amorphous particulates derived from byproducts of processes in which substantial energy was invested in generating those byproducts, at least one of which comprises amorphous calcium silicate slag generated as a byproduct of phosphorous production. The calcium silicate particulate is blended with one or more additional pozzolans, preferably one or more particulates of a material selected from the group consisting of fused silica of the type generated as a byproduct of making refractory grade fused silica and cullet glass of the type rejected from glass making processes. Pozzolanic cements incorporating up to about 50% by weight of such pozzolan compositions are also disclosed.
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