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An Apparatus and Method for Dry Separation of Materials Based Upon Their Density Difference

Implementing Organization

National Metallurgical Laboratory (NML)

Project Overview

The developed dry separator is used in any field which separates materials/minerals based on their density difference without using any chemicals, water. The technology key technical features are as follows: The angle of Fluidization adjustment from 0-90 degrees resulting in a change in force balance of particles. Dry density separation of materials ranging from 500 kg/m3 - 7000 kg/m3. This range of density separation can be enhanced by enhancing the fluidization which can be done in the fabricated dry separator. The pulsation frequency of air is in between 0-60 Hz

Benefits

Bubbling which is most common in gas fluidized beds can be reduced, Forces balance on the particle changes, as fluidization forces are at an angle, which resulted in a decrease in the minimum fluidization velocity of particles, The difference between minimum fluidization velocity of low-density particles and fluid velocity is enhanced compared to the difference between minimum fluidization velocity of the high-density particle and fluid velocity which results in improved separation, Dead zones are minimized due to inclined fluidization as air traces a larger path reaching long lengths of a separator

Source

Quick Information
Thrust Areas
Engineering Sciences
Focus Area
Development of Dry Separator
Output
TRL: Technology Readiness Level
Lab Validation
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