BURNING TEST OF THE LOW BURNING-TEMPERATURE TYPE CLINKER BY ACTUAL KILN FOR THE PURPOSE OF CO<sub>2</sub> REDUCTION AND PROPERTIES OF THE CEMENT

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  • CHABAYASHI Takashi
    TOKUYAMA CORPORATION, Development Dept. Cement Business Div.（1-1, Mikage-cho, Shunan-shi, Yamaguchi 745-8648, Japan） SHIMANE UNIVERSITY, Science of Environmental Systems, Graduate School of Natural Science and Technology（1060, Nishikawatsu-cho, Matsue-shi, Shimane 690-8504, Japan）
  • NAGATA Hiroshi
    TOKUYAMA CORPORATION, Technical Section. Cement Manufacturing Dept.（4900-4, Nagisa-cho, Shunan-shi, Yamaguchi 745-8648, Japan）
  • MATSUI Yuuki
    DENKA CO., LTD., Technical Section. Inorganic Materials Dept. Omi Plant（2209 Oaza Omi, Itoigawa-shi, Niigata 949-0393, Japan）
  • ATARASHI Daiki
    SHIMANE UNIVERSITY, Science of Environmental Systems, Graduate School of Natural Science and Technology（1060, Nishikawatsu-cho, Matsue-shi, Shimane 690-8504, Japan）

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Other Title
  • CO<sub>2</sub>削減を目的とした低温焼成型クリンカーの実機焼成試験および試製セメントの物性

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<p>In this study, we carried out burning test using shredded waste plastic as a thermal energy alternative waste of the low burning-temperature type clinker with an adjusted mineral composition by actual kiln. As a result, the low-temperature burning type clinker could be stably burned even if the thermal energy alternative waste was used. Furthermore, it was estimated that the low burning-temperature type clinker was able to be sintered at 1,300 to 1,350℃, which was approximately 100 degrees less than the OPC clinker on the same condition. And the heat consumption rate was able to be reduced around 7.3％ compared with the OPC clinker. It was confirmed that it is possible to use thermal energy alternative waste as in the current OPC, and that CO2 in the burning process can be reduced by 7.3％ or more. Although the strength development of the trial cement was slightly reduced, it was estimated that the C3S amount was lower than the target composition, and it was estimated that the strength development was about the same as the trial OPC by setting the same amount of C3S as the target.</p>

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