Development of Pneumatic Separator Using Acceleration Column(Separation between Copper and Aluminum).:Separation between Copper and Aluminum

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A new pneumatic separator (Acceleration column type, column constrictions: 1, a tube shaped main separator body column 2. acceleration column, localized at different places of the separator body, defining acceleration zone) is developed. Using disk type copper and aluminum for model samples, separation efficiencies of usual air separator (straight column type) and the developed separator are compared. Separation velocity between 11.8 and 13.0 m/s results in separation efficiencies of about 100% by acceleration column type. On the other hand, straight column type gets to about 100% of efficiency between 12.7 and 13.0 m/s. Separation time that reach to 100% efficiency by acceleration column type is 12 times shorter than that by straight column type. It is considered that an acceleration column type is more advantageous than straight column type in air velocity and separation time that produces about 100% separation efficiency.
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