Utilization of gold tailings as an additive in Portland cement. - NCBIMine tailings are formed as an industrial waste during coal and ore mining and processing. In the investigated process, following the extraction of gold from the.extraction of gold from cement,Patent US4654078 - Method for recovery of precious metals from .Mar 31, 1987 . Copper cement is used in a subsequent precipitation process to expose a large amount of area on which the gold and silver can precipitate.Utilization of gold tailings as an additive in Portland cement - Waste .following the extraction of gold from the ore, the remaining tailings are . of the tailings, cement mortars were prepared by intergrinding. Portland cement with.
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