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Steel slag dust could have huge regeneration future

Steel slag dust could soon be used to treat contaminated land, making it suitable for redevelopment. It is a by-product produced when manufacturing steel and Corus currently produces half a million tonnes of it a year. While it is already widely used as a liming material for farmland, current research being led by Tarmac and Birmingham University could see it put to an altogether different use. Having won a contract to recycle all the ...