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|Title:||O3/H2O2 BASED AOPS FOR PPCPS REMOVAL: KINETIC STUDIES ON THE INFLUENCE OF INITIATOR, PROMOTER AND INHIBITOR WITH THE PRESENCE/ABSENCE OF NOM/EFOM||Authors:||JOTHINATHAN LAKSHMI||Keywords:||O3/H2O2 process, NOM/EfOM, pharmaceutical degradation, graphene oxide||Issue Date:||29-Dec-2016||Citation:||JOTHINATHAN LAKSHMI (2016-12-29). O3/H2O2 BASED AOPS FOR PPCPS REMOVAL: KINETIC STUDIES ON THE INFLUENCE OF INITIATOR, PROMOTER AND INHIBITOR WITH THE PRESENCE/ABSENCE OF NOM/EFOM. ScholarBank@NUS Repository.||Abstract:||Ozone based AOPs, especially O3/H2O2 process is a promising and cost effective method for the removal of many pharmaceutical and personal care products (PPCPs). In O3/H2O2 process, ozone undergoes a radical chain reaction with the constituents present in water (initiator, promoter and inhibitor), to produce a highly potent oxidant hydroxyl radical (•OH). Natural organic matter (NOM) and effluent organic matter (EfOM) present in natural water and wastewater affects the O3/H2O2 process as they can act as an initiator, inhibitor and promoter. In this study, different reaction rate constants of NOM/EfOM in natural water and secondary effluent were characterized and their influences on three PPCPs such as acetaminophen, bezafibrate and ibuprofen were studied for degradation in the presence of NOM/ EfOM using modified Rct concept for O3/H2O2 process. Additionally, the kinetic studies were performed using different graphene based heterogeneous catalysts and compared with ozonation alone and O3/H2O2 processes.||URI:||http://scholarbank.nus.edu.sg/handle/10635/143319|
|Appears in Collections:||Ph.D Theses (Open)|
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