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Article

The Coupling Use of Weak Magnetic Field and Fe0/H2O2 Process for Bisphenol a Abatement: Influence of Reaction Conditions and Mechanisms

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School of Civil Engineering, College of Life Science, College of Textile and Garment, Shaoxing University, Shaoxing 312000, China
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Shandong Agricultural Machinery Test Identification Station, Jinan 250100, China
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Shaoxing Science and Technology Museum, Shaoxing 312000, China
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Key Laboratory of Environmental Biotechnology, Chinese Academy of Sciences Research Center for Eco-Environmental Sciences (RCEES), Beijing 100085, China
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Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science & Engineering, Shandong University, Qingdao 266237, China
*
Author to whom correspondence should be addressed.
Academic Editor: Zacharias Frontistis
Water 2021, 13(13), 1724; https://doi.org/10.3390/w13131724
Received: 3 June 2021 / Revised: 18 June 2021 / Accepted: 18 June 2021 / Published: 22 June 2021
(This article belongs to the Section Wastewater Treatment and Reuse)
The coupling use of the heterogeneous Fenton-like process (zero-valent iron (Fe0)/H2O2) and weak magnetic field (MWF) for bisphenol A (BPA) abatement was systematically investigated in this study. Though both the Fe0/H2O2 and WMF-Fe0/H2O2 processes are sensitive to pH, WMF remarkably enhanced BPA removal under the pH range of 3.0–6.0 by 0.5–9.5 times. The characterization of Fe0 confirmed the role of WMF in promoting the corrosion of Fe0. Radicals, rather than Fe intermediates, were responsible for BPA degradation. Due to the presence of Cl as the background ions and its reactivity towards HO, reactive chlorine species (RCS, i.e., Cl and Cl2•−) were produced and considerably contributed to BPA degradation. In addition, ~37% and 54% of degraded BPA was ascribed to RCS in the presence of 2 and 100 mM of Cl, respectively. However, 1.9 mg/L of ClO3 was detected in the presence of 2 mM of Cl in the WMF- Fe0/H2O2 process. HCO3 could diminish ClO3 generation significantly through transforming RCS. The concentration of ClO3 decreased by 74% and 82% with dosing 1 and 10 mM HCO3, respectively. The results of this study suggest that the WMF-Fe0/H2O2 process is a promising approach for BPA removal. View Full-Text
Keywords: bisphenol A; zero-valent iron; hydrogen peroxide; weak magnetic field; chloride bisphenol A; zero-valent iron; hydrogen peroxide; weak magnetic field; chloride
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MDPI and ACS Style

Liang, L.; Xi, F.; Cheng, L.; Tan, W.; Tang, Q.; Meng, X.; Wang, Z.; Sun, B.; Wang, A.; Zhang, J. The Coupling Use of Weak Magnetic Field and Fe0/H2O2 Process for Bisphenol a Abatement: Influence of Reaction Conditions and Mechanisms. Water 2021, 13, 1724. https://doi.org/10.3390/w13131724

AMA Style

Liang L, Xi F, Cheng L, Tan W, Tang Q, Meng X, Wang Z, Sun B, Wang A, Zhang J. The Coupling Use of Weak Magnetic Field and Fe0/H2O2 Process for Bisphenol a Abatement: Influence of Reaction Conditions and Mechanisms. Water. 2021; 13(13):1724. https://doi.org/10.3390/w13131724

Chicago/Turabian Style

Liang, Liping, Fenfen Xi, Liubiao Cheng, Weishou Tan, Qiang Tang, Xu Meng, Zhenjiong Wang, Bo Sun, Aijie Wang, and Jian Zhang. 2021. "The Coupling Use of Weak Magnetic Field and Fe0/H2O2 Process for Bisphenol a Abatement: Influence of Reaction Conditions and Mechanisms" Water 13, no. 13: 1724. https://doi.org/10.3390/w13131724

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