Using sequencing batch biofilm reactor (SBBR) to treat ABS wastewater

C. N. Chang*, H. D. Chen, C. H. Huang, A. Chao

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

7 Scopus citations


Ratio of total Kjeldahl Nitrogen to COD for ABS (acrylnitrile, butadiene and styrene) wastewater is in a range of 0.12-0.17, which is significantly higher than that needed for optimal growth of an activated sludge. In this work, an automated Sequencing Batch Biofilm Reactor (SBBR) system at lab- scale is applied to reduce the amount of ABS; this system is controlled by an on-line monitoring of oxidation-reduction potential (ORP). A comparison of the operation efficiency for the lab-scale SBBR operated with the control of fix-time method and ORP-based real-time automatic method is presented. The results show that the system ORP can be used as an available parameter for achieving a real-time operation and control of the lab-scale SBBR. It is found that the reaction time is reduced of 11.1-55.2% if an ORP-based real- time control is used, instead of the fixed-time control. Also, the SBBR system is made more efficient and cost-effective.

Original languageEnglish
Pages (from-to)433-440
Number of pages8
JournalWater Science and Technology
Issue number4-5
StatePublished - 7 Aug 2000
EventBiofilms Systems IV - New York, NY, USA
Duration: 17 Oct 199920 Oct 1999


  • ABS wastewater
  • ORP
  • Real-time operation
  • SBBR system

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