US: Workers have shipped the first load of slag extracted from the East Helena slag heap in Montana. KXLH Helena has reported that South Korea-based Korea Zinc Company has bought the 2.0Mt slag heap from the site of the former ASARCO foundry. The company plans to extract zinc and other metals from the slag before using the remainder in cement production. It was originally created as a by-product of lead production at the site.
Workers begin shipment of East Helena slag heap to South Korea
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