炭酸カルシウム成形体の含水率の挙動と炭酸化反応速度

書誌事項

タイトル別名
  • CARBONATION RATE AND BEHAVIOR OF WATER CONTENT ON CASTING CALCIUM CARBONATE
  • タンサン カルシウム セイケイタイ ノ ガンスイリツ ノ キョドウ ト タンサンカ ハンノウ ソクド

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抄録

In order to clarify the carbonation mechanism of the casting calcium carbonate, the behavior of water content and the carbonation rate on the casting calcium carbonate by using of the reaction rate theory are examined in this paper. The results are as follows; 1) The optimum water content for the carbonation varies with the casting pressure. 2) The carbonation becomes very slow when the casting pressure exceeds 150N/mm^2. 3) The rate of carbonation of the casting calcium carbonate by the mixer-mixture is higher than that by the hand-mixture at the early stage of curing period, but this difference disappears as the curing period increases. 4) The rate of carbonation of the casting calcium carbonate in normal curing is higher than that in carbonate curing.

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