publication . Article . 2007

comparison of single and two stage uasb reactors used for anaerobic treatment of synthetic fruit wastewater

Vasileios I. Diamantis; Alexandros Aivasidis;
  • Published: 21 Jul 2007 Journal: Enzyme and Microbial Technology, volume 42, pages 6-10 (issn: 0141-0229, Copyright policy)
  • Publisher: Elsevier BV
Abstract The influence of the hydraulic retention time on the microbial activity has been investigated, using a single methanization stage and a cascade of two upflow anaerobic sludge bed (UASB) reactors. The latter process scheme was clearly superior treating a synthetic fruit canning wastewater. For a COD reduction of 90%, a retention time of around 9–10 h was required in a single-stage UASB, while 4–5 h were sufficient in the two-stage mode of operation. In this case, the total volume of the methanization cascade was reduced by 50% compared to the single-stage one.
free text keywords: Biotechnology, Applied Microbiology and Biotechnology, Biochemistry, Chromatography, Hydraulic retention time, Cascade, Anaerobic sludge, Chemistry, Bioreactor, Anaerobic treatment, Wastewater
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