Control of quorum sensing signals and emerging contaminants in electrochemical membrane bioreactors

Bioresource Technology
Laura BoreaKwang-Ho Choo

Abstract

The present study investigated the influence of electric field on the removal of quorum sensing (QS) and emerging contaminants using an electrochemical membrane bioreactor (eMBR). A significant reduction of N-octanoyl-L-homoserine lactone signal molecules (∼76%) was achieved in the eMBR, with respect to the level observed in the conventional MBR as the control. Furthermore, the intermittent electric current supply (0.5 mA/cm2) was found to be effective for the removal of atrazine and estrone. The degradation of key pharmaceutical compounds, such as diclofenac, carbamazepine, and amoxicillin, was also possible, confirming the applicability of the eMBR system for removing the priority chemical compounds of public health concern.

Citations

Jul 1, 2020·Water Environment Research : a Research Publication of the Water Environment Federation·Sara ArabiValetta Saldanha
May 24, 2019·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Arshad MehmoodYa Liu
Apr 15, 2020·International Journal of Environmental Research and Public Health·Mohanad KamazS Ranil Wickramasinghe
May 11, 2021·The Science of the Total Environment·Mary Vermi Aizza CorpuzVincenzo Naddeo

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Bioreactors (ASM)

Bioreactors are important devices or systems that utilize living cells or enzymes for a chemical process. These devices carefully control and monitor the environment factors such as pH, nutrients level, and temperature, which can affect the yield in a given process. Discover the latest research here.