An activated sludge modeling framework for xenobiotic trace chemicals (ASM-X): assessment of diclofenac and carbamazepine

Biotechnology and Bioengineering
Benedek Gy PlószKevin V Thomas

Abstract

Conventional models for predicting the fate of xenobiotic organic trace chemicals, identified, and calibrated using data obtained in batch experiments spiked with reference substances, can be limited in predicting xenobiotic removal in wastewater treatment plants (WWTPs). At stake is the level of model complexity required to adequately describe a general theory of xenobiotic removal in WWTPs. In this article, we assess the factors that influence the removal of diclofenac and carbamazepine in activated sludge, and evaluate the complexity required for the model to effectively predict their removal. The results are generalized to previously published cases. Batch experimental results, obtained under anoxic and aerobic conditions, were used to identify extensions to, and to estimate parameter values of the activated sludge modeling framework for Xenobiotic trace chemicals (ASM-X). Measurement and simulation results obtained in the batch experiments, spiked with the diclofenac and carbamazepine content of preclarified municipal wastewater shows comparably high biotransformation rates in the presence of growth substrates. Forward dynamic simulations were performed using full-scale data obtained from Bekkelaget WWTP (Oslo, Norway) to ...Continue Reading

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Citations

May 23, 2014·Applied Microbiology and Biotechnology·Mark J Krzmarzick, Paige J Novak
Jan 7, 2015·Environmental Science and Pollution Research International·Nyuk-Min Chong
Nov 26, 2014·Environmental Science and Pollution Research International·Ricardo MarquesMaria A M Reis
Oct 11, 2014·Environmental Science and Pollution Research International·M PomièsM Coquery
Jun 28, 2016·The Science of the Total Environment·L J P SnipK V Gernaey
Aug 2, 2016·Environmental Science & Technology·Elena TorresiMagnus Christensson
Feb 13, 2015·Environmental Science. Processes & Impacts·M-F MorissetteS Sauvé
Dec 16, 2020·The Science of the Total Environment·Suman KharelKai Bester
Sep 16, 2019·The Science of the Total Environment·Yufei WangFelicity A Roddick
Dec 12, 2012·The Science of the Total Environment·M PomièsM Coquery
Jul 5, 2017·Environmental Science & Technology·Pedram RaminBenedek Gy Plósz

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