Investigation of a membrane bioreactor’s performances in treating sunflower oil refinery wastewater containing high oleic acid at different SRTs

A Comprehensive Study on the Effects of Electrocoagulation integrated in a Membrane Bioreactor Treating Sunflower Oil Refinery Wastewater on Treatment Performance, Biological Properties, and Fouling Behavior

“…important factor contributing to the stability of biological systems is biomass growth, which can be assessed by measuring MLSS and MLVSS. The MLSS concentration provides information about the presence of organic (including biomass and oily compounds) and inorganic matter in the MBR reactor(Sharghi et al 2023). Table3presents changes in the average concentration of MLSS and MLVSS, as well as the MLVSS/MLSS ratio in the MBR and EC-MBR systems with an SRT of 25 days and an HRT of 8 h. The initial average MLSS and MLVSS concentrations in the MBR process were approximately 4241 ± 158 mg L − 1 and 2121 ± 17 mg L − 1 , respectively, and after 38 days in steady-state conditions, it reached an average value of 8788 ± 172 and 5273 ± 68, respectively.…”