溶解における液温降下よりの食塩溶解速度の測定

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  • Measurement of the Dissolving Rate of Salt by the Temperature Fall of Solution
  • ヨウカイ ニ オケル エキオン コウカ ヨリ ノ ショクエン ヨウカイ ソクド ノ ソクテイ

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Studies were made on the measuring of the dissolving rate of salt by the fall of the temperature indicated when salt was dissolved in an agitator.<BR>This method is very simple and can easilyhe used. The results obtained by this method proved to be fairly satisfactory. Experiments in this report made the following points clear:<BR>1. As is already well known, coeficient of mass transfer does not have any relationship with the size of grain, but it is not constant and shows an increase as the dissolving rate increases.<BR>2. The number ofgrains, even if they are screened, is not necessarilyequivalent to that of those grains added during the process of dissolution, but when it exceeds a certain degree of dissolution, it gradually decreases until it finally diminishes.

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