<報文>選別過程の解析的研究(第2報) : 選択度関数について

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  • センベツ カテイ ノ カイセキテキ ケンキュウ 2
  • <Original Papers>Analytical Investigations into Separation Processes. (II) : Selectivity Function

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The selectivity φ between any two components in any separation process has been defined by the ratio of the respective concentrability function as follows : [numerical formula] where c is the amount of concentrate, R_1 and R_2 are the recoveries of components 1 and 2 in the concentrate, K_1 and K_2 the respective concentrability coefficients, the difference of which is named the selectivity coefficient S. For graphical computation of the selectivity function, intersection and alignment charts for φ, c, and S were prepared. The concentrability coefficients and the selectivity coefficients for copper and zinc components in the copper-lead semi-bulk concentrates obtained in the batch and continuons flotation testing of complex sulphide ores from the Yokota Mine, Fukushima Prefecture, were calculated and statistically analysed.

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