LFF Unit Alas Tetap dan Cairan

FIXED AND FLUIDIZED BED UNIT - LFF

SISTEM INOVATIF

The Fixed and Fluidised Bed Unit, "LFF", allows a full study about everything concerning the flow of a fluid through a particles bed, both fixed and fluidised.

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GAMBARAN UMUM

The Fixed and Fluidised Bed Unit, "LFF", allows a full study about everything concerning the flow of a fluid through a particles bed, both fixed and fluidised.

The unit is composed of two transparent removable columns for the simultaneous study of the air and water flow through the bed.

In the Fixed and Fluidised Bed Unit, "LFF", each column is connected to a manometers panel, which indicates at all times the pressure drop caused by the bed.

Water is pumped from a tank, located at the back side of the unit, to the bottom of the first column, passing through a flow control valve and a flow meter.

Air is supplied to the second column through a compressor located at the back of the unit. The air flow is measured by a flow meter.

There are glass beads of two different sizes for the bed.

LATIHAN DAN PRAKTEK PEDOMAN

LATIHAN PRAKTIS YANG DIANDAL TERMASUK DALAM PANDUAN

  1. Study of the basis of fixed bed fluidisation.
  2. Comparison of the fluidisation process in water and air currents.
  3. Study of the pressure drop through fixed and fluidised beds in function of:
    1. The flow speed.
    2. The size of the bed particles.
    3. Type of fluid: air or water.
  4. Verification of Carman-Kozeny equation.
  5. Study and determination of the minimum fluidisation speed.
  6. Study and determination of the fluidisation speed and comparison with theoretical calculated values (Ergun equation).
  7. Study of differences between particulate and aggregative fluidisation.
  8. Observation of the “bubbling” fluidisation phenomenon.

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