非硫化鉱物の浮選における捕収剤の濃度ならびに水素イオン濃度の影響

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  • Effects of Collector Concentration and Hydrogen Ion Concentration on Flotation of Non-Sulphide Minerals
  • ヒリュウカ コウブツ ノ フセン ニ オケル ホシュウザイ ノ ノウド ナラビニ スイソ イオン ノウド ノ エイキョウ

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The floatability of the various non-sulphide minerals using dodecyl ammonium acetate, sodium dodecylbenzene sulphonate and sodium oleate as collector was measured, and the effects of the collector concentration and the hydrogen ion concentration on the floatability of them were considered.<BR>The results of this study are summarized as follows;-<BR>(1) The effects of the hydrogen ion concentration on the floatability of quartz, hematite, barite, calcite, scheelite, and wolframite were clarified in the solution of various concentration of the collector.<BR>(2) The floatability of each non-sulphide mineral, as a rule, is governed by the ratio of [R+]/[H+] for cationic collector ro [R-]/[OH-] for anionic collector in the pH range in which each collector ion concentration is kept nearly constant.<BR>(3) The critical contact curves for above minerals using dodecyl ammonium acetate, sodium dodecyl benzene sulphonate and sodium oleate were determined. The results are summarized in Fig. 15, Fig. 16 and Fig. 17, respectivelly.<BR>(4) The relation between the collector concentration and the critical pH value was determined for above minerals; the following relationship comes into exsistence under the critical condition, [R+]/[H+] α=K for can ion i c collector or [R-]/[OH-] α=K for anionic collector, where both a and K are constant for each mineral

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  • 日本鑛業會誌

    日本鑛業會誌 77 (882), 1071-1077, 1961

    一般社団法人 資源・素材学会

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