(For Gas Absorption And Dust Removal)

Tray scrubber is versatile, low pressure-drop scrubber, suitable for a broad range of applications where extremely efficient capture of dust above the submicron range is required. This unit is also suitable for the absorption of gases and vapours such as SO2, HF, HCL, NH3 and CL2.

This scrubber can be fitted with either perforated turbulent contact tray or a target type turbulent contact tray or a combination of both depending upon application. The perforated turbulent contact tray contains a multitude of orifices. The targets improve the dust collection efficiency of the unit since the dust impinges directly on the sub merged target and is washed away by the flowing liquor.

The scrubber can also incorporate other types of trays (e.g. venture trays) and one or more stages depending upon the application. The unit can handle recycle streams containing up to 2% solids.

In operation, dirty gas enters at the bottom of the unit and passes up through orifices in the turbulent contact tray. Liquor enters at the top of contact stage and flows across the tray. The gas aspirates the liquor and capture of dust and intimate gas / liquor mixing occurs. The gas then passes out of the unit through the mist eliminator, where complete removal of the entrained liquor droplets takes place.

Turbulent contact tray scrubbers can be constructed from carbon steel, stainless, specialty alloys and plastics. Units are available with capacities ranging from 600-300,000 cfm. The pressure drop range is normally 3-15 in WC (76-381 mm WC).

Typical Applications
  • Absorption of SO2, NH3, HCL, HF, H2S and CL2.
  • DG-Set exhaust.
  • Exhaust gas cleaning in municipal sewage sludge incinerators.
  • Gas sub cooling.
  • Boiler flue gas coal/wood/Bagasse.
  • Tablet coating.


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