“…The hydraulic loading rates (HLR), sludge retention time (SRT) and hydraulic retention time (HRT), which are design parameters in wastewater treatment plants, have been observed to play a significant role in the removal of SMX from wastewater, with their influence being documented for anaerobic and wetland systems (Azimi, Hassani, Darzi, & Borghei, 2017;Christofilopoulos et al, 2019;Hatoum et al, 2019;Koh et al, 2008;Sochacki et al, 2018). 2007).…”