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    Please use this identifier to cite or link to this item: https://ir.fy.edu.tw:8080/ir/handle/987654321/13609


    Title: Reusing pretreated desulfurization slag to improve clinkerization and clinker grindability for energy conservation in cement manufacture
    Authors: Chen, Ying-Liang;Chang, Juu-En;Shih, Pai-Haung;Ko, Ming-Sheng;Chang,Yi-Kuo;Chiang, Li-Choung
    Contributors: 輔英科技大學 環境工程與科學系
    Keywords: Steel slag;Cement clinker;Recycling;Physical pretreatment;Grindability
    Date: 2010-09-01
    Issue Date: 2011-07-28 15:55:25 (UTC+8)
    Abstract: The purpose of this study was to combine the physical pretreatments of grinding, sieving, and magnetic-separation processes to reclaim iron-rich materials from the desulfurization slag, and to use the remainder for cement clinker production. The iron-rich materials can be separated out efficiently by grinding for 30 min and sieving with a 0.3 mm mesh. The non-magnetic fraction of the particles smaller than 0.3 mm was in the majority, and proved to be suitable for use as a cement raw material. The raw mixes prepared with a pretreated desulfurization slag had a relatively high reactivity, and the temperature at which alite forms was significantly reduced during the clinkerization process. The clinkers produced with 10% desulfurization slag had a high level of alite and good grindability. Generally, the improvements in clinkerization and clinker grindability are beneficial to energy conservation in cement manufacture.
    Relation: Journal of Environmental Management 91(9),1892-1897
    Appears in Collections:[環境工程與科學系] 期刊論文

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