EFFECT OF ALKANOLAMINE ON THE HYDRATION REACTION OF CALCIUM ALUMINOFERRITE

DOI Web Site 5 References
  • CHABAYASHI Takashi
    TOKUYAMA CORPORATION, Development Dept. Cement Business Div.（10, Minamisode, Sodegaura-shi, Chiba 299-0268, Japan） SHIMANE UNIVERSITY, Science of Environmental Systems, Graduate School of Natural Science and Technology（1060, Nishikawatsu-cho, Matsue-shi, Shimane 690-8504, Japan）
  • ADACHI Jo
    TOKUYAMA CORPORATION, Development Dept. Cement Business Div.（1-1, Mikage-cho, Shunan-shi, Yamaguchi 745-8648, Japan）
  • KATO Hiroyoshi
    TOKUYAMA CORPORATION, Development Dept. Eco-Business Div.（1-1, Mikage-cho, Shunan-shi, Yamaguchi 745-8648, 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
  • カルシウムアルミノフェライトの水和反応に及ぼすアルカノールアミンの影響

Abstract

<p>In this study, the effects of alkanolamine on the hydration reaction of calcium aluminoferrite with different compositions were examined under various conditions in which calcium hydroxide and calcium carbonate coexist. As a result, alkanolamine promoted the hydration reaction of calcium aluminoferrite, and the reaction-promoting effect was especially pronounced in ferrites with high Fe2O3 ratios. Among alkanolamines, triethanolamine, which had a remarkable effect of increasing the degree of Fe and Al elution, was confirmed to accelerate the reaction rate of calcium aluminoferrite in particular. The reaction acceleration of alkanolamine was similarly confirmed in the system with calcium hydroxide and calcium carbonate.</p>

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