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CHEMICAL PLANTS

Chemical plants sometimes need to adjust the pH level in a chemical treatment tank. More and more often the use of sulphuric acid is replaced by using CO2 for this process. Spargers are commonly used for producing dispersed gas. A sparger can be found in different sizes and those sizes correspond in this case with the desired pH level, liquid flow rate and target time.

Often (plastic) drilled pipes are used which produce poorly dispersed gas with large bubbles that have a low surface area. The sintered metal spargers provide a rugged construction, are temperature and corrosion resistant and have a larger gas-liquid contact area. These spargers provide a consistent and evenly dispersed gas. High efficiency sparging is achieved by fine bubble propagation. The fine bubble propagation will provide maximum surface area for effective “mass transfer”.

HOW TO DETERMIN THE RIGHT SIZE OF SPARGER

For determining the right size of the sparger for in-Tank or Vessel sparging you need to know the:

  • gas flow
  • Liquid pressure and temperature
  • actual air compressor capacity
  • gas exit velocity

The best configuration can be determined based on the process requirements. From a single element side mounted type to cross tank flanged side mounted types. The elements can also be reinforced.

The spargers are available with various end fittings like type a hex nipple sparger elements and type g elements for welding.

We recommend the use of media grade 2 for general gas sparging.

For more information please contact us.

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More information about full metal sparging devices? 
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