22 datasets found

Formats: JSON

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  • Secondary Biological Treatment

    A sketch of a typical wastewater treatment system that provides primary treatment (e.g., settling or clarification) plus secondary biological treatment (activated sludge), with...
  • Primary Treatment

    A sketch of a typical wastewater treatment system that provides primary treatment only (e.g., settling or clarification), with sludge treated in a drying bed for 180 days.
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