Evaluation of influent prefermentation as a unit process upon biological nutrient removal

McCue T., Shah R., Vassiliev I., Liu Y., Eremektar F., Chen Y., ...More

WATER SCIENCE AND TECHNOLOGY, vol.47, no.11, pp.9-15, 2003 (SCI-Expanded) identifier

  • Publication Type: Article / Article
  • Volume: 47 Issue: 11
  • Publication Date: 2003
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED)
  • Page Numbers: pp.9-15
  • Istanbul Technical University Affiliated: No


The objective of this NSF sponsored research was to provide a controlled comparison of identical continuous flow biological nutrient removal (BNR) processes both with and without prefermentation in order to provide a stronger, more quantitative, technical basis for design engineers to determine the potential benefits of prefermentation to EBPR in treating domestic wastewater. Specifically, this paper focused upon the potential impacts of primary influent prefermentation upon BNR processes treating septic domestic wastewater. This study can be divided into two distinct phases - an initial bench-scale phase which treated septic P-limited (TCOD:TP>40) wastewater and a subsequent pilot-scale phase which treated septic COD-limited (TCOD:TP<40) wastewater. The following conclusions can be drawn from the results obtained to date.