A Study on Production Conditions and Fluidity of Milk of Lime (Calcium Hydroxide-Water Slurry)

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  • Saeki Takashi
    Department of Environmental Science and Engineering, Graduate School of Science and Engineering, Yamaguchi University
  • Imai Kenji
    Department of Environmental Science and Engineering, Graduate School of Science and Engineering, Yamaguchi University
  • Honda Masahiro
    Manufacturing Department 1, Chemical Business Division, Tokuyama Corporation
  • Miyamoto Yukihiro
    Manufacturing Department 1, Chemical Business Division, Tokuyama Corporation
  • Akiyama Shinpei
    Manufacturing Department 1, Chemical Business Division, Tokuyama Corporation

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Other Title
  • 石灰乳（水酸化カルシウム‐水スラリー）の製造条件と流動性に関する研究
  • 石灰乳(水酸化カルシウム-水スラリー)の製造条件と流動性に関する研究
  • セッカイニュウ スイサンカ カルシウム ミズ スラリー ノ セイゾウ ジョウケン ト リュウドウセイ ニ カンスル ケンキュウ

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Abstract

Milk of lime which is the mixture of water and slaked lime (Ca(OH)2) with good fluidity and unsuitable fluidity was sampled from the practical production process of Tokuyama Corporation. The microscopic observations showed that the coagulation of slaked lime particles might be caused by an increase in the viscosity of milk of lime. In order to study the rheological properties of the milk of lime samples were prepared with Ohita limestone at various temperatures and the time change of particle coagulation was investigated through the chemical analysis and the scanning electron microscope observations. It was found that the surface characteristics of quick lime may be related to the reactivity with water, and also to the viscosity of the obtained milk of lime.

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