A biomechanical filter for treating fish-pond effluents

Muki Shpigel, Avital Gasith, Eitan Kimmel

Research output: Contribution to journalArticlepeer-review

Abstract

Cultured bivalves, Crassostrea gigas and Tapes philippinarum efficiently removed particulate matter from fish-pond effluents under two hydrological regimes. Two reactor types, a Plug Flow Reactor and a Continuous Stirred Flow Reactor were tested. Under the experimental conditions, the Plug Flow Reactor was found to be more efficient in depuring aquaculture effluents. A mixture of juvenile bivalves of both species further increased treatment efficiency. Flow rate and reactor length influence vertical settling of the non-planktonic particles. A mathematical model is proposed to predict particle removal by the bivalves under the conditions of the two rector types.

Original languageEnglish
Pages (from-to)103-117
Number of pages15
JournalAquaculture
Volume152
Issue number1-4
DOIs
StatePublished - 1 Jun 1997

Keywords

  • Biofiltration
  • Bivalve
  • Effluents
  • Mariculture
  • Reactor
  • Treatment

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