CONTRIBUTION OF JAPANESE CEMENT INDUSTRY TOWARDS
ADDRESSING ENVIRONMENTAL ISSUES
34th Our World in Concrete and Structures (OWICs) - 2009
Rokuro Tomita*, Taiheiyo Cement Corporation, Japan
cement, environment, chloride, municipal waste, ecocement
In Japan, energy saving technologies in cement production have been developed and at the same time many types of advanced recycling technologies of waste materials have been developed. The amount of waste materials and by-products utilized in 1 ton of cement produced in the Japanese cement industry has reached an average of 400 kg. Three unique methods of utilizing municipal wastes, fly ash washing system, ecocement system, and AK system were in practical use and the method selected varied depending on actual conditions of each region.