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WATSPRAY® scrubber

High performance particulate control system

De-dusting an demisting in a single system

The WATSPRAY® tower scrubber is a low energy scrubber and is the simplest wet scrubber used for particulate control.

The WATSPRAY® system is composed of two different parts:

  • The absorption and de-dusting section
  • The eliminator chamber with swirl vane demister
  • The demisting stage with swirl vane demister followed by WATVANE® or WATMESH® demister depending on particle size to be catched.

The WATSPRAY® technology is a cross-flow spray scrubber. The recirculated liquid, used to dedust the gas, is sprayed in large quantities and perpendicular to the direction of movement of the gas to be cleaned. As the gas passes through the column from the
bottom to the top, the liquid is sprayed horizontally in the form of flat circular layers over several stages.

A typical application of the WATSPRAY® chimney is the dust removal of pulp dryers in the sugar industry as well as alfalfa dryers.

The ultimate low water and energy footprint dedusting solution


  • Gas flow: up to 500 000 m³/h
  • Particle size distribution: > 6 µm


  • Low water consumption due to maximum water recycling in the process
  • Low energy consumption due to low pressure drop generated by the system
  • Space saving
  • Simultaneous absorption of gaseous pollutants possible

Contact us for more insights on how our WATSPRAY® scrubber can help your factory to comply with emission regulations