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Ablaze Export Pvt. Ltd

Falling Film Type Gas Absorber

Falling Film Type Gas Absorber

Business Type : Manufacturer, Exporter, Supplier

Product Details

Use Industrial Use
Type Falling Film Type
Finish Polished
Material Steel
Power Source Electric

Preferred Buyer From

Location Worldwide

Efficient gas absorption depends on the following:

  • Intimate Contact
  • Efficient Heat Transfer

This is achieved in a Falling Film Absorber which is essentially a shell & tube heat exchanger in which both gas to be absorbed and absorbing liquid flow co-currently downward with the extraction of heat by circulation of coolant in the shell. The absorbing liquid is circulated through a tank till the desired concentration is achieved. The liquid flows at such a rate that the tubes do no flow full of the liquid but instead, descends by gravity along the inner walls of the tubes as a thin film. Obviously, this produces a much greater linear velocity for a given rate flow that could be obtained if the tube flowed full.

 

The equipment works as a number of water cooled-wall columns in parallel and each tube is provided with distribution system on top to effect uniform distribution of both liquid and gas and also the formation of a thin liquid film on the inner surface of the tube.

 

Other Area of Applications :

  • Hydrogen Chloride Gas / Sulphur Dioxide Gas Absorption
  • Hydrogen Chloride Gas / Chlorine Gas Absorption
  • Hydrogen Bromide Gas absorption
  • Hydrogen Chloride Gas / Chlorine Gas / Sulphur Dioxide Absorption

 

Salient Features :

  • High absorption efficiency
  • High acid concentration is achievable
  • Low outlet temperature
  • Easy operation and maintenance
  • Safe Operation due to a low isothermal temperature
  • Handle a wide range of gas loading with minimum liquid flow rates to maintain full tube wetting
  • Variation in Hydrogen Chloride Gas flow rates or Composition causes no operation problem.
  • All the wetted parts of the falling film absorber are corrosion resistant to all the aggressive gases even at elevated temperatures

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Diagram

Diagram

Dimension Table

- - -  MAX. GAS ABSORPTION MAX. ACID PROD. -
Nominal SIZE (mm) Absorber AREA (m2) No. Of Tube OD (mm) Rate ( Pure HCL) ( kg/Hr) Rate (As 30% HCL ) ( kg/Hr) CAT. REF
80 1 Apr-20 30 100 AFFA3
100 1.76 Jul-20 60 200 AFFA4
150 4.8 19/20 150 500 AFFA6
225 7.8 31/20 250 833 AFFA9
300 15.3 61/20 500 1667 AFFA12
400 36 143/20 1175 3917 AFFA16
450 47 187/20 1500 5000 AFFA18
600 84 333/20 2700 9000 AFFA24

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