کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
581189 | 1453157 | 2009 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Photoelectrocatalytic degradation of tetracycline by highly effective TiO2 nanopore arrays electrode
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
بهداشت و امنیت شیمی
پیش نمایش صفحه اول مقاله
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چکیده انگلیسی
The widely utilization of pharmaceutical and personal care products (PPCPs) in the pharmaceutical therapies and agricultural husbandry has led to the worldwide pollution in the environment. In this study, the photoelectrocatalytic (PEC) behaviors of typical PPCPs, tetracycline (TC), were performed via a highly effective TiO2 nanopore arrays (TNPs) electrode, comparing with electrochemical (EC) and photocatalytic (PC) process. A significant photoelectrochemical synergetic effect in TC degradation was observed on the TNPs electrode and the rate constant for the PEC process of TNPs electrode was â¼6.7 times as high as its PC process. The TC removal rate achieved â¼80% within 3Â h PEC reaction by TNPs electrode, which is â¼25% higher than that obtained for a conventional coated TiO2 nanofilm electrode fabricated by sol-gel method. The possible mechanism involved in the PEC degradation of TC by TNPs electrode was discussed. Furthermore, the TNPs electrode also shows enhanced photocurrent response compared with that for the coated TiO2 nanofilm electrode. Such kind of TiO2 nanopores will have many potential applications in various areas as an outstanding photoelectrochemical material.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Hazardous Materials - Volume 171, Issues 1â3, 15 November 2009, Pages 678-683
Journal: Journal of Hazardous Materials - Volume 171, Issues 1â3, 15 November 2009, Pages 678-683
نویسندگان
Yanbiao Liu, Xiaojie Gan, Baoxue Zhou, Bitao Xiong, Jinhua Li, Chaoping Dong, Jing Bai, Weimin Cai,