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- Title
Effects of 2-chlorophenol and 2,4,6-trichlorophenol on an activated sludge sequencing batch reactor.
- Authors
Doskaliyev, D.; Poulopoulos, S. G.; Yeshmuratov, A.; Aldyngurova, F.; Zorpas, A. A.; Inglezakis, V. J.
- Abstract
In the work, the effect of 2-chlorophenol and 2,4,6-trichlorophenol on the performance of a sequencing batch reactor operated with suspended municipal recycle activated sludge (RAS) in terms of total carbon and total nitrogen removal is presented. The total carbon removal achieved ranged in 80%–100% and total nitrogen removal in 10%–84%. The results showed that chlorophenols did not inhibit either the activated sludge growth or the total carbon removal significantly. However, inhibition is observed in total nitrogen removal. 2-chlorophenol inhibited the ammonium oxidation (nitrification) while such an effect was not observed in the case of 2,4,6-trichlorophenol indicating that the later inhibits the ammonification step. Moreover, the results indicated that total removal of both chlorophenols was achieved during the first day of the processing.
- Subjects
CHLOROPHENOLS; TRICHLOROPHENOL; BATCH reactors
- Publication
Desalination & Water Treatment, 2018, Vol 133, p283
- ISSN
1944-3994
- Publication type
Article
- DOI
10.5004/dwt.2018.23065