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Institutional Repository [SANDBOX]
Technical University of Crete
Technical University of Crete
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| URI: | http://purl.tuc.gr/dl/dias/BC4DD8AC-31F9-4145-A5BD-F9204D41782B | ||
| Year | 2012 | ||
| Type of Item | Peer-Reviewed Journal Publication | ||
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| Bibliographic Citation | E. Dialynas and E. Diamadopoulos, "The effect of biomass adsorption on the removal of selected pharmaceutical compounds in an immersed membrane bioreactor system," J. Chem. Technol. Biotechnol., vol. 87, no. 2, pp. 232-237, Feb. 2012. doi: 10.1002/jctb.2703 https://doi.org/10.1002/jctb.2703 | ||
| Appears in Collections |
The performance of a pilot membrane bioreactor system (MBR) was tested for the treatment of municipal wastewater, with emphasis on the capability for removal of selected pharmaceuticalsThe MBR showed excellent performance with regards to conventional pollutants. However, the removal of specific pharmaceuticals was not as high. Carbamazepine and 17 α-ethinyl estradiol showed the lowest removal, with mean removal rates of around 20%. Clofibric acid showed the highest removal 70%, while for 17β-estradiol the mean removal was 40%. In order to distinguish between the two basic mechanisms of removal, adsorption on biomass and biodegradation, adsorption studies on inactivated biomass were performed and mass balances were written for the four pharmaceuticals. The immediate removal observed for the three compounds during short hydraulic retention times may have been primarily due to adsorption.The removal of carbamazepine, 17β-estradiol and 17α-ethynil estradiol, as well as half of the removal of chlofibric acid could be attributed to direct adsorption on biomass within the hydraulic residence time of the reactor. Copyright © 2011 Society of Chemical Industry
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