2016
DOI: 10.1016/j.chemosphere.2016.01.085
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Biodegradation of persistent organics can overcome adsorption–desorption hysteresis in biological activated carbon systems

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Cited by 48 publications
(15 citation statements)
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“…Furthermore, a biofilm covered activated carbon systems can maintain long solid retention times thereby biodegrading persistent organics at a low growth rate (Aktaş and Eçen, 2007). One drawback of biofilm covered activated carbon system is that some slow growing PCB dechlorinating microorganisms might be bloom-growing thus affected by other easily-degradable organic compounds or pollutants (Abromaitis et al, 2016). For example, some researchers pointed out that the concentration of persistent organic compounds (e.g., PCBs) in a municipal wastewater treatment plant effluent is very low (0.019-1.7 µg/L), though the biochemical oxygen demand of secondary effluent is generally between 1.7 and 7.7 mg/L (Deblonde et al, 2011;Abromaitis et al, 2016).…”
Section: Possibility Of Pcb Remediation Using Multi-technology Pcbs Rmentioning
confidence: 99%
“…Furthermore, a biofilm covered activated carbon systems can maintain long solid retention times thereby biodegrading persistent organics at a low growth rate (Aktaş and Eçen, 2007). One drawback of biofilm covered activated carbon system is that some slow growing PCB dechlorinating microorganisms might be bloom-growing thus affected by other easily-degradable organic compounds or pollutants (Abromaitis et al, 2016). For example, some researchers pointed out that the concentration of persistent organic compounds (e.g., PCBs) in a municipal wastewater treatment plant effluent is very low (0.019-1.7 µg/L), though the biochemical oxygen demand of secondary effluent is generally between 1.7 and 7.7 mg/L (Deblonde et al, 2011;Abromaitis et al, 2016).…”
Section: Possibility Of Pcb Remediation Using Multi-technology Pcbs Rmentioning
confidence: 99%
“…Similar findings were reported in water-sediment recirculating flumes and sediment microcosms (Mechelke et al 2020 ; Posselt et al 2020 ; Rutere et al 2020a ). The significant contribution of biodegradation in the removal of metoprolol has further been demonstrated in other diverse matrices such as riverbank filtration systems, WWTPs, subsurface flow constructed wetlands, biological activated carbon systems, and surface water (Abromaitis et al 2016 ; Li and McLachlan 2019 ; Rubirola et al 2014 ; Rühmland et al 2015 ; Schmidt et al 2007 ). The contribution of sorption to the overall removal of metoprolol from the aqueous phase may vary due to factors influencing its interaction with sediments, such as pH and organic matter content (Schaper et al 2019 ).…”
Section: Discussionmentioning
confidence: 94%
“…The removal of certain CECs, such as N,N-Diethyl-meta-toluamide (DEET), naproxen, and ibuprofen, has been shown to be improved with a higher EBCT of 14 min compared to 5 min in biofilters containing anthracite (Hallé, Huck, & Peldszus, 2015), demonstrating that these compounds are primarily removed by biodegradation. There are other studies showing the importance of BAC in the biodegradation of CECs (Abromaitis, Racys, van der Marel, & Meulepas, 2016;Greenstein, Lew, Dickenson, & Wert, 2018;Nugroho, Reungoat, & Keller, 2010). Furthermore, although GAC units are intended to sorb CECs, in fact, they will be readily colonized by microorganisms that could also contribute to CEC removal (Rattier, Reungoat, Gernjak, Joss, & Keller, 2012).…”
Section: Introductionmentioning
confidence: 98%