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Related Experiment Videos

Moving bed biofilm reactors: a small-scale treatment solution.

D Daude1, T Stephenson

  • 1Conder Products Ltd., Sewage Technology Division, Kingsley House, Ganders Park, Kingsley, Hampshire, GU35 9LU, UK. ddaude@cstl.co.uk

Water Science and Technology : a Journal of the International Association on Water Pollution Research
|February 3, 2004
PubMed
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The moving bed biofilm reactor (MBBR) is a suitable small-scale sewage treatment solution, effectively removing pollutants and operating reliably. It demonstrated resilience to organic shock loads but experienced solids loss during hydraulic surges.

Area of Science:

  • Environmental Engineering
  • Wastewater Treatment Technologies
  • Biofilm Processes

Background:

  • Small-scale sewage treatment systems require robust and efficient solutions.
  • Moving Bed Biofilm Reactor (MBBR) technology offers potential for decentralized wastewater management.

Purpose of the Study:

  • To evaluate the design and operational suitability of MBBR for small-scale sewage treatment.
  • To assess the performance of an MBBR prototype under various conditions, including shock loads.

Main Methods:

  • Installation and operation of a prototype MBBR plant over eight months.
  • Monitoring of effluent quality parameters (BOD5, COD, SS, NH4-N).
  • Application of organic and hydraulic shock loads to assess system resilience.

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Main Results:

  • MBBR consistently produced high-quality effluent (BOD5, COD, SS, NH4-N averages provided).
  • The system maintained high performance during organic shock loads.
  • Hydraulic surges caused temporary solids loss; prolonged power failure impacted NH4-N removal for three weeks.

Conclusions:

  • MBBR is a viable and reliable treatment solution for small-scale sewage applications.
  • The technology demonstrates good effluent quality and operational simplicity.
  • System resilience to hydraulic surges and power failures requires further consideration for optimization.