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Project Overview and Challenge

 The most important factor in preventing environmental pollution is minimizing the environmental damage caused by industrial activities. For this purpose, Ergil, an Aager brand, has successfully designed, engineered and manufactured a wet-filled gas scrubbing system, one of the emission control devices.

Wet-filled gas scrubbing systems are one of the effective emission control devices used to remove soot, dust, chemical vapor, odor and aerosol pollutants formed as a result of the activities of industrial facilities. The system consists of a cylindrical tower filled with fillers to provide time and contact area for the incoming pollutant gas and cleaning solution to chemically react. The cleaning solution sprayed from the nozzles placed at the top of the tower wets the pollutant gas entering the tower from under the filling materials, eliminating the toxic and corrosive properties of the gas. The main components of the system; It consists of circulation pump, filling materials, drip trap and spray nozzles.

In this case, the pollution rate of SO2 gas originating from the starch processing process at 500 ppm, 50°C and 2300 m3/h flow rate; It is requested to reduce the emission values ​​to the atmosphere determined by the legal regulations requested by the customer.


 First of all, the cleaning solution was determined according to the chemical and physical properties of the SO2 pollutant gas. The tower body material was chosen according to the corrosive properties of the cleaning solution and SO2 gas. Then, the dimensions of the wet-filled scrubber tower were determined (flow rate, pollution, temperature, etc.). As a result of the experiments and calculations, the type and physical properties of the filling materials were determined and the tower was randomly filled. Finally, the control equipment and installation conditions were determined and the process was completed. (Automation etc.)



As a result of the actions taken, the environment and time were created for the chemical reaction that will occur between the gas and the liquid, and the 500 ppm pollution rate was reduced below the limit value determined by the legal regulations. (99%).

  • The advantages of wet filled gas scrubbing systems can be listed as follows:
  • It can hold both particulate and polluting gases.
  • It is not possible to return the captured particles to the environment as dust.
  • Remote intervention and periodic reporting can be done with automation.
  • Wastes produced with process-specific solutions can be recycled or used as raw materials in different sectors.
  • Chemicals with high corrosion risk provide cleaning up to 99%.
  • It helps to reduce the amount of chemical use.
  • Maintenance costs are low.
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