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Title: Reducing CU Emission into the Atmosphere-Achievement Experience of Croatian Cement Industry

Author(s): K. Popovic

Publication: Symposium Paper

Volume: 202


Appears on pages(s): 73-84

Keywords: alternative fuels; CO, emission; cement; clinker; condensed silica fume; efficiency; energy; fly ash; secondary raw materials; supplementary cementing materials

DOI: 10.14359/10774

Date: 8/1/2001

Because cement plants generate approximately one ton of CO, per ton of produced clinker the industry can play an important role in meeting the objectives of Kyoto Protocol. This paper presents Croatian experience in that field which includes: Production of cements with lower clinker content but with satisfactory development of strength in concrete owing to the proper choice of mineral admixtures. Application of alternative fuels derived fromindustrial and municipal waste in clinker burning process instead of burning that waste in specialized incineration plants without using the benefit of the energy expended.Use of solidificates made by agglomerating wastes from oil refineries by means of quick lime, as an alternative raw material and fuel at the same time. This reduces CO, emissions due to replacing part of limestone with Ca(OH), and due to the lower requirement of fuel for decarbonization process.