Abstract
The need for massive exploitation of industrial byproducts is constantly increasing in Greece and therefore the need for further scientific research. Two significant industrial byproducts stand out in Greece, the fly ash of Megalopolis (F.A.M.) and ferroalumina (F.A.L.). Fly ash, the byproduct of the power station in Megalopolis (F.A.M.) is produced by burning coal and its annual production reaches the 4·106 tons out of the total 12·106 tons. Today, only 10% of the produced fly ash is being used by the cement industry as pozzolanic additives with beneficial results to long-term endurance of concrete, production fees and specific technological properties. Another great byproduct is ferroalumina (F.A.L.), produced by the Bayer process whose production reaches the 7·105 tons per year. F.A.L. is transferred to storage sites and only a little amount of it is actually used by the industry. Both byproducts are under scientific study so that they can be used by the cement industries both as additive and principal materials. The present research study investigates the use of both fly ash and ferroalumina in the cement production and the results of their use in order to determine the most efficient utilization.
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