2020
DOI: 10.1016/j.watres.2019.115394
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Degradation and transformation of bisphenol A in UV/Sodium percarbonate: Dual role of carbonate radical anion

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Cited by 201 publications
(59 citation statements)
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“…However, BPA degradation was deceased in the reaction system of nZVI/H 2 O 2 . Because carbonates from SPC could transform to be CO 3 c À through eqn ( 2) and ( 3), which favor to oxidize the electron-rich organic pollutants, 13,16,30 resulting in the improvement of BPA degradation efficiency in the nZVI/SPC system.…”
Section: Degradation Kinetics Of Bpa By Nzvi/spcmentioning
confidence: 99%
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“…However, BPA degradation was deceased in the reaction system of nZVI/H 2 O 2 . Because carbonates from SPC could transform to be CO 3 c À through eqn ( 2) and ( 3), which favor to oxidize the electron-rich organic pollutants, 13,16,30 resulting in the improvement of BPA degradation efficiency in the nZVI/SPC system.…”
Section: Degradation Kinetics Of Bpa By Nzvi/spcmentioning
confidence: 99%
“…As mentioned in previous literatures, cOH, O 2 c À and CO 3 c À were expected in the SPC system. 16,17,36 In this work, isopropanol (IPA) was used to study the existence of cOH, because it has a high reaction rate with cOH (k IPA, cOH ¼ 3.9 Â 10 9 M À1 s À1 ) and a low reaction rate with [47][48][49] Meanwhile, Phenol (PhOH) was employed as cOH and CO 3 c À scavenger, which reacts rapidly with cOH (k PhOH, cOH ¼ 6 Â 10 8 M À1 s À1 ) and CO 3 c À (k PhOH, CO 3 c À ¼ 1.2 Â 10 9 M À1 s À1 ), 16,50 and slowly with O 2 c À (k PhOH, O 2 c À ¼ 5.8 Â 10 2 M À1 s À1 ). 51 BPA degradation performance in the absence and presence of quenching agents was presented in Fig.…”
Section: Identication Of Reactive Speciesmentioning
confidence: 99%
“…More recently, alternative peroxides such as peracetic acid (PAA) and percarbonate (PC) that can also be activated with UV‐C light to form reactive oxidizing species, have been used for the removal of pollutants found in water and wastewater. [ 30–33 ] PAA is a strong oxidant and reacts to acetic acid and HP in water: [ 34,35 ] CnormalH3CnormalO3H+normalH2OCnormalH3COOH+normalH2normalO2…”
Section: Introductionmentioning
confidence: 99%
“…[ 44 ] PC dissociates in water into HP and carbonate ions as shown in Equation (12). [ 45,46 ] In addition, other reactions might occur in the solution upon exposure to UV‐C radiation; HP reacts with bicarbonate and consequently produces peroxymonocarbonate (Equation (13)); peroxymonocarbonate produces HO • and CO 3 •− in the presence of UV‐C (Equation (14)) as shown below: [ 32,45–48 ] trueleft2NaCO3·3H2O2+H2normalOleft1em3H2O2+2HCnormalO3+2normalNa++1/2O2 HCO3+normalH2normalO2HCO4+normalH2O HCO4+hvHnormalO+CnormalO3…”
Section: Introductionmentioning
confidence: 99%
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