静電選鉱法の選別条件

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書誌事項

タイトル別名
  • Separating Conditions for Electro-Static Separation
  • セイデンセンコウホウ ノ センベツ ジョウケン

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抄録

The theoretical explanation of the performance about a single roll-type electro-static separator has not been made public in a satisfactory manner, because of many difficult factors inherent to the characteristics of the apparatus, although they are very important.<BR>These factors, for instance, are those:-such as the speed of roll, the fineness of mineral particle, the polarity of applied voltage, the angle of charged electrode to the roll, the clearance between the aboves, the magnitude of applied voltage and the electric field intensity on the roll surface.<BR>So the effects of the above factors were investigated to determine the optimum condition for separation.<BR>The principal results of analysis using this experimental separator are as follows:-<BR>1) The optimum roll speed selected is approximately 80 revolutions per minute.<BR>2) The fineness of mineral particle should be greater than 150 mesh.<BR>3) The optimum angle of charged electrode to the roll is 45 degree for a good conductive mineral, and smaller than 45 degree for a poor conductor.<BR>4) The repelling distance to the meridian of weight distribution can be seen as a exponential function.

収録刊行物

  • 日本鑛業會誌

    日本鑛業會誌 74 (846), 1007-1013, 1958

    一般社団法人 資源・素材学会

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