Method of making cement from base metal smelter slag
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United States of America Patent
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May 12, 1998
Issued Date -
N/A
app pub date -
Nov 26, 1996
filing date -
Jun 26, 1995
priority date (Note) -
Expired
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Abstract
Cement is made from base metal smelter slag produced by a nickel, copper, lead or zinc smelter. The slag is ground to a size within the range of from about -250 to about 425 mesh to produce ground slag cement, and the ground slag cement is mixed with Type 3 high early strength Portland cement in a ratio of at least about 0.5:1 by weight to produce a blended cement.
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