In this study, -2 mm tailings of Matel Feldspar Concentration Plant was screened to three different size fractions (-1.000 +0.595 mm, -0.595 +0.210 mm and 0.210 mm) and each size fraction was recovered by reverse flotation using Modified Flotation Column. The chemical properties (0.22percent Fe_2O_3, 4.05percent Na_2O, 4.54percent K_2O) of the obtained concentrate indicate that the concentrate is suitable for use in porcelain industry. It was also found that the Fe_2O_3, Na_2O and K_2O contents are similar both in the case of recovering the sample after screening to different size fractions and recoveriing directly (-1mm) without any screening. Therefore, it is more suitable and economical to recover the sample without screening at optimum collector dosage of 1000 g/t Armac-T and 1500 g/t Flotinor SM-15.
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机译：在这项研究中，将Matel长石浓缩厂的-2 mm尾矿筛分为三个不同大小的馏分（-1.000 +0.595 mm，-0.595 +0.210 mm和0.210 mm），并使用改良浮选柱通过反向浮选回收每个大小的馏分。所获得的精矿的化学性质（0.22％的Fe_2O_3、4.05％的Na_2O，4.54％的K_2O）表明该精矿适合用于瓷器工业。还发现，在筛分至不同尺寸分数后回收样品并未经任何筛分直接回收（-1mm）的情况下，Fe_2O_3，Na_2O和K_2O含量相似。因此，以最佳收集器剂量1000 g / t Armac-T和1500 g / t Flotinor SM-15无需筛分就可以回收样品，这是更合适，更经济的方法。
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