Cement Raw Materials - British Geological Surveyalumina and iron in the finished product, known as cement clinker. .. line (1.5 to 1.8 tonnes) and 0.4 tonnes of clay are quarried for each tonne of cement produced. Large reserves of feedstock, particularly of line, are required to.lime stone required to produce tonne cement clinker,Why LC3? - LC3 - Line Calcined Clay CementFor every 20 tonnes of man-made CO2 that enter the atmosphere, one comes . With current clinker production facilities, production capacity for cement can be . Using low-grade clay and line does not require opening new quarries nor.
lime stone required to produce tonne cement clinker