granulated blast furnace slag waste in south africa
Fresh and Hardened Properties of Concrete Incorporating. Moreover ground granulated blast furnace slag is a waste material from the metallurgical industry A mixture of limestone iron ore and coke enters the kiln under temperatures from 15000 to 16000 C the resulting molten slag is suspended in molten iron The slag contains 35 to 45 silicon dioxide SiO 2 and about 45 …
