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Chemcial Industry and Engineering 2021, Vol. 38 Issue (1) :69-78    DOI: 10.13353/j.issn.1004.9533.20200309
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Catalytic Degradation of Phenol by Persulfate Activation Using Cu2(NO3)(OH)3
Wang Xiangming1, Wu Songhai1, Wang Cong1, Li Rui1, Sun Shiwei1, Meng Zihe1, Han Xu1,2
1. School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, China;
2. School of Environmental Science and Engineering, Tianjin University, Tianjin 300350, China

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Abstract Advanced oxidation processes have attracted more and more attention in the treatment of wastewater with high phenol concentration via the activation of persulfate. In this study, we investigated the degradation effect and mechanism of phenol in wastewater by Cu2(NO3)(OH)3 and persulfate. The results show that Cu2(NO3)(OH)3-persulfate systems exhibit high degradation efficiency of phenol in a wide pH range from weak acid to base (pH 5.0—10.0). Analyses of total organic carbon (TOC) show that the system could completely mineralize the phenol with the initial concentration of 100 mg·L-1 within 4 h at pH 8.0 in the coexistence of 1 g·L-1 persulfate and 1 g·L-1 Cu2(NO3)(OH)3. Quenching experiments and electron paramagnetic resonance (EPR) further suggest that O2·-, SO4·- and 1O2 make mainly contribution in the removal of phenol.
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Articles by authors
Wang Xiangming
Wu Songhai
Wang Cong
Li Rui
Sun Shiwei
Meng Zihe
Han Xu
Keywordsphenol;   persulfate;   Cu2(NO3)(OH)3     
Received 2020-03-13;
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Wang Xiangming, Wu Songhai, Wang Cong, Li Rui, Sun Shiwei, Meng Zihe, Han Xu.Catalytic Degradation of Phenol by Persulfate Activation Using Cu2(NO3)(OH)3[J]  Chemcial Industry and Engineering, 2021,V38(1): 69-78
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