Method of making cement or mine backfill from base metal smelter slag
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United States of America Patent
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-
Mar 7, 2000
Issued Date -
N/A
app pub date -
May 8, 1998
filing date -
Jun 26, 1995
priority date (Note) -
Expired
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Abstract
A method of making cement from base metal smelter slag produced by nickel, copper, lead or zinc smelter, includes grinding the slag with clinker and blast furnace slag to a size in the range of from about -250 to about 425 mesh to produce ground slag cement, and mixing the ground slag cement with Portland cement in a ratio of at least about 0.5:1 by weight to produce a blended cement.
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