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Micropollutant removal during biological wastewater treatment and a subsequent ozonation step.
Environ Pollut. 2010 May; 158(5):1399-404.EP

Abstract

The design criteria for wastewater treatment plants (WWTP) and the sludge retention time, respectively, have a significant impact on micropollutant removal. The upgrade of an Austrian municipal WWTP to nitrogen removal (best available technology, BAT) resulted in increased elimination of most of the analyzed micropollutants. Substances, such as bisphenol-A, 17alpha-ethinylestradiol and the antibiotics erythromycin and roxithromycin were only removed after the upgrade of the WWTP. Nevertheless, the BAT was not sufficient to completely eliminate these compounds. Thus, a pilot scale ozonation plant was installed for additional treatment of the effluent. The application of 0.6 g O(3) g DOC(-1) increased the removal of most of the micropollutants, especially for compounds that were not degraded in the previous biological process, as for example carbamazepine and diclofenac. These results indicated that the ozonation of WWTP effluent is a promising technology to further decrease emissions of micropollutants from the treatment process.

Authors+Show Affiliations

Institute of Water Quality, Resources and Waste Management, Vienna University of Technology, Karlsplatz 13/226, 1040 Vienna, Austria. hschaar@iwag.tuwien.ac.atNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Evaluation Study
Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

20085854

Citation

Schaar, Heidemarie, et al. "Micropollutant Removal During Biological Wastewater Treatment and a Subsequent Ozonation Step." Environmental Pollution (Barking, Essex : 1987), vol. 158, no. 5, 2010, pp. 1399-404.
Schaar H, Clara M, Gans O, et al. Micropollutant removal during biological wastewater treatment and a subsequent ozonation step. Environ Pollut. 2010;158(5):1399-404.
Schaar, H., Clara, M., Gans, O., & Kreuzinger, N. (2010). Micropollutant removal during biological wastewater treatment and a subsequent ozonation step. Environmental Pollution (Barking, Essex : 1987), 158(5), 1399-404. https://doi.org/10.1016/j.envpol.2009.12.038
Schaar H, et al. Micropollutant Removal During Biological Wastewater Treatment and a Subsequent Ozonation Step. Environ Pollut. 2010;158(5):1399-404. PubMed PMID: 20085854.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Micropollutant removal during biological wastewater treatment and a subsequent ozonation step. AU - Schaar,Heidemarie, AU - Clara,Manfred, AU - Gans,Oliver, AU - Kreuzinger,Norbert, Y1 - 2010/01/20/ PY - 2009/05/22/received PY - 2009/12/23/revised PY - 2009/12/25/accepted PY - 2010/1/21/entrez PY - 2010/1/21/pubmed PY - 2010/7/30/medline SP - 1399 EP - 404 JF - Environmental pollution (Barking, Essex : 1987) JO - Environ Pollut VL - 158 IS - 5 N2 - The design criteria for wastewater treatment plants (WWTP) and the sludge retention time, respectively, have a significant impact on micropollutant removal. The upgrade of an Austrian municipal WWTP to nitrogen removal (best available technology, BAT) resulted in increased elimination of most of the analyzed micropollutants. Substances, such as bisphenol-A, 17alpha-ethinylestradiol and the antibiotics erythromycin and roxithromycin were only removed after the upgrade of the WWTP. Nevertheless, the BAT was not sufficient to completely eliminate these compounds. Thus, a pilot scale ozonation plant was installed for additional treatment of the effluent. The application of 0.6 g O(3) g DOC(-1) increased the removal of most of the micropollutants, especially for compounds that were not degraded in the previous biological process, as for example carbamazepine and diclofenac. These results indicated that the ozonation of WWTP effluent is a promising technology to further decrease emissions of micropollutants from the treatment process. SN - 1873-6424 UR - https://www.unboundmedicine.com/medline/citation/20085854/Micropollutant_removal_during_biological_wastewater_treatment_and_a_subsequent_ozonation_step_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0269-7491(10)00002-3 DB - PRIME DP - Unbound Medicine ER -