Cement Production - IEA-ETSAP
industrial pozzolanic materials, e.g. fly ash, silica fume and burnt shale. . However, in Europe, today's new cement plants are all based on the dry process as the wet process requires . with 5-stage preheater and precalciner costs €263 per tonne/annum (€ 2010). . China, 6.2% in India, 2.7% in Japan, 13.2% in other.