汚泥の焼結再資源化に関する研究(6) : アルミ鉱滓と浚渫底泥との混合焼結体の諸特性とその応用

概要

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Cooperative research has been carried out to utilize dredged-sludge from Tagonoura Bay. In this sixth report, we studied the characterization of materials sintered at temperatures from 800 to 1190℃ from a mixture of aluminum-dross and dredged-sludge. The additional effects of adding residual glass dust to the mixture have also been researched. Additionally, the application of sintered materials to drainage pavement as a resin floor has been studied. The following results were obtained: (1) The optimum sintering process, with aluminum-dross only, needs a sintering reaction at temperatures higher than 1350℃, because of the large amount of Al_2O_3. (2) The addition of dredged-sludge to aluminum-dross accelerates the sintering reaction and the optimum sintering temperature decreases to a range of 1160〜1190℃. (3) The addition of glass dust to the mixture of dredged-sludge and aluminum-dross accelerates the sintering reaction even more. (4) The sintered mixture with the 15% addition of glass dust can be recycled in drainage pavement materials.
東海大学の論文
2001-03-30