Carbamazepine removal from wastewater and the degradation mechanism in a submerged forward osmotic membrane bioreactor.
作者： Meichen Yao , Liang Duan , Jian Wei , Feng Qian , Slawomir W. Hermanowicz
DOI: 10.1016/J.BIORTECH.2020.123732
关键词: Biodegradation 、 Extracellular polymeric substance 、 Wastewater 、 Chemistry 、 Activated sludge 、 Membrane bioreactor 、 Membrane fouling 、 Delftia 、 Membrane 、 Chromatography
摘要: Abstract A submerged forward osmotic membrane bioreactor (FOMBR) was used to reveal the removal and degradation mechanism of carbamazepine (CBZ) from wastewater. The results showed that consisted rejection (FO) biodegradation activated sludge. efficiencies COD, NH4+-N, CBZ by FOMBR were approximately 94.77%–97.45%, 93.56%–99.28%, 88.20%–94.45%, respectively. Moreover, COD NH4+-N positively correlated with increased concentrations. soluble microbial products (SMP) extracellular polymeric substances (EPS) tests illustrated fouling potential EPS may be higher than SMP. According identified 14 products, oxidation, hydroxylation, decarboxylation defined as primary mechanism. In addition, RNA Delftia could characteristic bacteria in process.
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