Platinum is produced in South Africa by Amplats Impala
The slag is tapped at temperatures around 1350ºC and the matte is somewhat cooler around 1200ºC The unwanted slag constituents are discarded usually after being subjected to granulation using a high flow water stream milling and flotation to re capture any entrained droplets of matte . Greenhouse Gas Equivalencies Calculator US EPAGreenhouse Gas Equivalencies Calculator Contact Us to ask a question provide feedback or report a problem . IS 455 1989 Portland Slag Cement SpecificationIS 455 1989 Portland Slag Cement Specification [CED 2 Cement and Concrete] IS 455 1 Reall armed 1995 Indian Standard PORTLAND SLAG CEMENT SPECIFICATION Fourth Revision tn r finN Atvr Second Reprint SEPTEMBER 1998 UOC 666 943 C> DIS 1990 BUREAU OF INDIAN STANDARDS MANAK BHAVAN 9 BAHADUR SHAH ZAFAIt MARG NEW DELHI . Great Barrier Reef One million tonnes of sludge to be · One million tonnes of dumping dredged sludge into world heritage waters treats our reef like a rubbish tip image source MATT CURNOCK/TROPWATER JCU image caption Last week floodwaters spread