2022 Volume 76 Issue 1 Pages 60-67
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.
