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Optimized terbium doped Ti/PbO2 dimensional stable anode as a strong tool for electrocatalytic degradation of imidacloprid waste water.
Ecotoxicol Environ Saf. 2020 Jan 30; 188:109921.EE

Abstract

The presence of pesticides in water has emerged as a momentous environmental issue over the past decades. Herein, a terbium doped Ti/PbO2 (denoted as Ti/PbO2-Tb) dimensionally stable Ti/PbO2-Tb anode has been successfully prepared by one-step electrodeposition path for electrocatalytic degradation of imidacloprid (IMD) wastewater with high efficiency. Ti/PbO2-Tb electrode presents higher oxygen evolution potential, lower charge transfer resistance, stronger stability, longer service lifetime and outstanding electrocatalytic activity than Ti/PbO2 electrode. The optimum condition for IMD oxidation is obtained by analyzing the effects of some critical operating parameters including temperature, initial pH, current density and electrolyte concentration. It is proved that 70.05% of chemical oxygen demand and 76.07% of IMD are removed after 2.5 h of degradation under current density of 8 mA cm-2, pH 9, temperature 30 °C and 7.0 g L-1 NaCl electrolyte. In addition, the electrode displays commendable energy saving property as well as favorable reusability. The degradation mechanism of IMD is proposed by analyzing the intermediates identified by LC-MS. The present research provides a feasible strategy to degrade IMD wastewater by Ti/PbO2-Tb electrode.

Authors+Show Affiliations

State Key Laboratory of Environment-friendly Energy Materials, School of Materials Science and Engineering, Southwest University of Science and Technology, Mianyang, 621010, PR China; Key Laboratory of Solid Waste Treatment and Resource Recycle of Ministry of Education, Southwest University of Science and Technology, Mianyang, 621010, PR China.State Key Laboratory of Environment-friendly Energy Materials, School of Materials Science and Engineering, Southwest University of Science and Technology, Mianyang, 621010, PR China; International Science and Technology Cooperation Laboratory of Micro-nanoparticle Application Research, Mianyang 621010, Sichuan, PR China. Electronic address: heping@swust.edu.cn.State Key Laboratory of Environment-friendly Energy Materials, School of Materials Science and Engineering, Southwest University of Science and Technology, Mianyang, 621010, PR China.Key Laboratory of Solid Waste Treatment and Resource Recycle of Ministry of Education, Southwest University of Science and Technology, Mianyang, 621010, PR China. Electronic address: fqdong@swust.edu.cn.State Key Laboratory of Environment-friendly Energy Materials, School of Materials Science and Engineering, Southwest University of Science and Technology, Mianyang, 621010, PR China. Electronic address: yangdingming@swust.edu.cn.State Key Laboratory of Environment-friendly Energy Materials, School of Materials Science and Engineering, Southwest University of Science and Technology, Mianyang, 621010, PR China.State Key Laboratory of Environment-friendly Energy Materials, School of Materials Science and Engineering, Southwest University of Science and Technology, Mianyang, 621010, PR China.State Key Laboratory of Environment-friendly Energy Materials, School of Materials Science and Engineering, Southwest University of Science and Technology, Mianyang, 621010, PR China.Key Laboratory of Solid Waste Treatment and Resource Recycle of Ministry of Education, Southwest University of Science and Technology, Mianyang, 621010, PR China; National Engineering Research Center for Municipal Wastewater Treatment and Reuse, Mianyang, 621000, PR China.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

31711778

Citation

Zhang, Ying, et al. "Optimized Terbium Doped Ti/PbO2 Dimensional Stable Anode as a Strong Tool for Electrocatalytic Degradation of Imidacloprid Waste Water." Ecotoxicology and Environmental Safety, vol. 188, 2020, p. 109921.
Zhang Y, He P, Zhou L, et al. Optimized terbium doped Ti/PbO2 dimensional stable anode as a strong tool for electrocatalytic degradation of imidacloprid waste water. Ecotoxicol Environ Saf. 2020;188:109921.
Zhang, Y., He, P., Zhou, L., Dong, F., Yang, D., Lei, H., Du, L., Jia, L., & Zhou, S. (2020). Optimized terbium doped Ti/PbO2 dimensional stable anode as a strong tool for electrocatalytic degradation of imidacloprid waste water. Ecotoxicology and Environmental Safety, 188, 109921. https://doi.org/10.1016/j.ecoenv.2019.109921
Zhang Y, et al. Optimized Terbium Doped Ti/PbO2 Dimensional Stable Anode as a Strong Tool for Electrocatalytic Degradation of Imidacloprid Waste Water. Ecotoxicol Environ Saf. 2020 Jan 30;188:109921. PubMed PMID: 31711778.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Optimized terbium doped Ti/PbO2 dimensional stable anode as a strong tool for electrocatalytic degradation of imidacloprid waste water. AU - Zhang,Ying, AU - He,Ping, AU - Zhou,Lianhong, AU - Dong,Faqin, AU - Yang,Dingming, AU - Lei,Hong, AU - Du,Licheng, AU - Jia,Lingpu, AU - Zhou,Shiping, Y1 - 2019/11/08/ PY - 2019/05/24/received PY - 2019/10/31/revised PY - 2019/11/02/accepted PY - 2019/11/13/pubmed PY - 2020/2/7/medline PY - 2019/11/13/entrez KW - Degradation mechanism KW - Electrocatalytic oxidation KW - Electrochemical behavior KW - Imidacloprid KW - Ti/PbO(2)–Tb electrode SP - 109921 EP - 109921 JF - Ecotoxicology and environmental safety JO - Ecotoxicol. Environ. Saf. VL - 188 N2 - The presence of pesticides in water has emerged as a momentous environmental issue over the past decades. Herein, a terbium doped Ti/PbO2 (denoted as Ti/PbO2-Tb) dimensionally stable Ti/PbO2-Tb anode has been successfully prepared by one-step electrodeposition path for electrocatalytic degradation of imidacloprid (IMD) wastewater with high efficiency. Ti/PbO2-Tb electrode presents higher oxygen evolution potential, lower charge transfer resistance, stronger stability, longer service lifetime and outstanding electrocatalytic activity than Ti/PbO2 electrode. The optimum condition for IMD oxidation is obtained by analyzing the effects of some critical operating parameters including temperature, initial pH, current density and electrolyte concentration. It is proved that 70.05% of chemical oxygen demand and 76.07% of IMD are removed after 2.5 h of degradation under current density of 8 mA cm-2, pH 9, temperature 30 °C and 7.0 g L-1 NaCl electrolyte. In addition, the electrode displays commendable energy saving property as well as favorable reusability. The degradation mechanism of IMD is proposed by analyzing the intermediates identified by LC-MS. The present research provides a feasible strategy to degrade IMD wastewater by Ti/PbO2-Tb electrode. SN - 1090-2414 UR - https://www.unboundmedicine.com/medline/citation/31711778/Optimized_terbium_doped_Ti/PbO2_dimensional_stable_anode_as_a_strong_tool_for_electrocatalytic_degradation_of_imidacloprid_waste_water_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0147-6513(19)31252-7 DB - PRIME DP - Unbound Medicine ER -