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Kinetic development and evaluation of membrane sequencing batch reactor (MSBR) with mixed cultures photosynthetic bacteria for dairy wastewater treatment

  • Jutamas Kaewsuk
  • , Worachat Thorasampan
  • , Monthon Thanuttamavong
  • , Gyu Tae Seo
  • Changwon National Univ.
  • Kasetsart University

Research output: Contribution to journalArticlepeer-review

127 Citations (Scopus)

Abstract

This experimental study was conducted to evaluate a membrane sequencing batch reactor (MSBR) with mixed culture photosynthetic bacteria for dairy wastewater treatment. The study was undertaken in two steps: laboratory and pilot scale experiments. In the first step, kinetics analysis of the MSBR was carried out in a laboratory scale experiment with influent COD concentration of 2500 mg/L. The pilot scale experiment was conducted to investigate the performance of the MSBR and checked the suitability of the kinetics for an engineering design. The kinetic coefficients Ks, k, kd, Y and μm were found to be 174-mg-COD/L, 7.42/d, 0.1383/d, 0.2281/d and 1.69/d, respectively. There were some deviations of COD removal efficiency between the design value and the actual value. From the kinetics estimation, COD effluent from the design was 27 mg/L while the average actual COD effluent from the experiment was 149 mg/L. Due to the different light source condition, the factors relating to light energy (i.e. Lf and IR%) must be incorporated into engineering design and performance prediction with these kinetic coefficients of the photosynthetic MSBR.

Original languageEnglish
Pages (from-to)1161-1168
Number of pages8
JournalJournal of Environmental Management
Volume91
Issue number5
DOIs
Publication statusPublished - May 2010
Externally publishedYes

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 6 - Clean Water and Sanitation
    SDG 6 Clean Water and Sanitation

Keywords

  • Dairy wastewater
  • Kinetic coefficients
  • Membrane sequencing batch reactor (MSBR)
  • Monod's kinetic
  • Photosynthetic bacteria
  • Submerged membrane filtration

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