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Title: Post-treatment of anaerobic membrane bioreactor (AnMBR) effluent using activated carbon
Authors: Mai, Do Thi
Kunacheva, Chinagarn
Stuckey, David C.
Keywords: Engineering::Chemical engineering
Issue Date: 2018
Source: Mai, D. T., Kunacheva, C., & Stuckey, D. C. (2018). Post-treatment of anaerobic membrane bioreactor (AnMBR) effluent using activated carbon. Bioresource Technology, 266, 75-81. doi:10.1016/j.biortech.2018.06.063
Journal: Bioresource Technology
Abstract: Anaerobic membrane bioreactors (AnMBR) are very effective for wastewater treatment, however, with the antibiotic ciprofloxacin (CIP) (0-4.7 mg CIP/L) in the feed their performance decreases, the characteristics of the effluent changes, and further treatment is needed to recycle or discharge the treated effluent. Batch experiments using six activated carbons to treat AnMBR effluents resulting from the treatment of a synthetic wastewater containing ciprofloxacin were carried out at 35 °C. 22-82% COD was removed at a dose of 1 g activated carbon/L, while size characterization showed the 13.4 kDa and <1 kDa fractions were the most difficult to adsorb, while CIP was often removed with high efficiencies of mainly 100%. Significant removal of VFAs also occurred, up to 100%, and this contributed greatly to COD removal. Nitrogen containing compounds and phenols showed the highest removal (∼100%), whereas other groups such as esters, alkanes, and alkenes showed lower removal efficiency.
ISSN: 0960-8524
DOI: 10.1016/j.biortech.2018.06.063
Rights: © 2018 Elsevier Ltd. All rights reserved.
Fulltext Permission: none
Fulltext Availability: No Fulltext
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