ECA Benefits

  • It’s dependable and consistent
  • Expanded Clay Aggregate (ECA®) is chemically and physically inert
  • Expanded Clay Aggregate (ECA®) has great hydraulic conductivity which allows fast and free drainage/binding of pollutants such as phosphorus.
  • It  has an increased surface area
  • Due to its ceramic properties, it reduces material degradation
  • Reduced handling costs
  • Expanded Clay Aggregate (ECA®) has a lower maintenance cost and it’s economical
  • It’s readily available and easy to use in treatment of waste water, sewage and industrial effluents.
  • It has a predictable performance and longevity
  • It employs ion exchange for an effective treatment process
  • It removes solid material that can bring about clogging
  • Effective reduction or removal of arsenic, phosphorus, metals, oil, grease and poisonous hydrocarbons.
  • It combines effluent filtration and nutrients removal for cleaner discharge.
  • It has a greater surface area which makes filtration of pollutants effective.

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Downloads for Pretreatment or treatment of surface waters

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