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Preparation of Pd/PANI/ITO composite electrode and its degradation of tetracycline wastewater
Journal of Applied Polymer Science ( IF 2.7 ) Pub Date : 2021-07-15 , DOI: 10.1002/app.51400 Jian Zhang 1 , Yuting Jiang 1 , Ziyi Wang 1 , Xue Yang 1 , Mingrui Zhang 1 , Bing Wang 1 , Lanhe Zhang 1 , Zheng Li 1 , Zilong Liang 1 , Congze Liu 1 , Hao Wu 1
Journal of Applied Polymer Science ( IF 2.7 ) Pub Date : 2021-07-15 , DOI: 10.1002/app.51400 Jian Zhang 1 , Yuting Jiang 1 , Ziyi Wang 1 , Xue Yang 1 , Mingrui Zhang 1 , Bing Wang 1 , Lanhe Zhang 1 , Zheng Li 1 , Zilong Liang 1 , Congze Liu 1 , Hao Wu 1
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In order to treat antibiotics organic pollutants in the water environment, the Pd/PANI/ITO composite electrode was prepared by the galvanostatic electrodeposition method in this paper. The surface morphology and electrocatalytic activity of the electrode were analyzed and tested. Using the degradation rate of electrocatalytic tetracycline wastewater as an indicator, the optimal parameter conditions for preparing the composite electrode were screened out: the optimal deposition current of PANI was 2 mA, and the deposition time was 10 min. The optimal deposition current for Pd is 2 mA, and the deposition time is 10 min. The optimal current for the degradation of tetracycline wastewater is 10 mA, and the relationship between the degradation current and the degradation time conforms to the pseudo-first-order reaction kinetics. The existence of ·OH in the degradation process of tetracycline was verified by the coumarin fluorescence detection technology. Finally, the degradation process of tetracycline wastewater is analyzed. The results show that the intermediate products produced during the degradation of tetracycline are gradually cleavage of tetracycline molecules, and they are eventually converted into CO2 and H2O.
中文翻译：
Pd/PANI/ITO复合电极的制备及其对四环素废水的降解
为了处理水环境中的抗生素类有机污染物，本文采用恒电流电沉积法制备了Pd/PANI/ITO复合电极。对电极的表面形貌和电催化活性进行了分析和测试。以电催化四环素废水的降解率为指标，筛选出制备复合电极的最佳参数条件：PANI的最佳沉积电流为2 mA，沉积时间为10 min。Pd 的最佳沉积电流为 2 mA，沉积时间为 10 分钟。降解四环素废水的最佳电流为10 mA，降解电流与降解时间的关系符合拟一级反应动力学。通过香豆素荧光检测技术验证了四环素降解过程中·OH的存在。最后分析了四环素废水的降解过程。结果表明，四环素降解过程中产生的中间产物逐渐裂解四环素分子，最终转化为CO2和 H 2 O。
更新日期：2021-09-09
中文翻译：
Pd/PANI/ITO复合电极的制备及其对四环素废水的降解
为了处理水环境中的抗生素类有机污染物，本文采用恒电流电沉积法制备了Pd/PANI/ITO复合电极。对电极的表面形貌和电催化活性进行了分析和测试。以电催化四环素废水的降解率为指标，筛选出制备复合电极的最佳参数条件：PANI的最佳沉积电流为2 mA，沉积时间为10 min。Pd 的最佳沉积电流为 2 mA，沉积时间为 10 分钟。降解四环素废水的最佳电流为10 mA，降解电流与降解时间的关系符合拟一级反应动力学。通过香豆素荧光检测技术验证了四环素降解过程中·OH的存在。最后分析了四环素废水的降解过程。结果表明，四环素降解过程中产生的中间产物逐渐裂解四环素分子，最终转化为CO2和 H 2 O。
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