LOESCHE Selective comminution of concrete waste and ...
2017-8-13 · slags, aerated concrete, glass, bricks and diverse extraneous materials, but also of up to 55-60 % granulated concrete, natural rock and sand [8]. If the annual quantities of aggregates used in the production of concrete are compared to the the - oretically recoverable quantities of concrete waste, the 180 million t of concrete aggregate compare