bacteria bed

noun

Meaning

A layer of porous material, such as stones or plastic media, coated with a biofilm of microorganisms used to treat sewage or industrial wastewater.

Examples

  • The bacteria bed requires regular maintenance to ensure the biofilm remains healthy and active.
  • Engineers designed a new bacteria bed to increase the plant's capacity for processing organic waste.

Synonyms: biofilter, trickling filter, biological filter, sewage bed