| Electrochemical removal of haloacetic acids in a three-dimensional electrochemical reactor with Pd-GAC particles as fixed filler and Pd-modified carbon paper as cathode | |
| Zhao, Xu; Li, Angzhen; Mao, Ran; Liu, Huijuan; Qu, Jiuhui | |
| 2014 | |
| Source Publication | WATER RESEARCH
 |
| ISSN | 0043-1354 |
| Volume | 51Issue:1Pages:134-143 |
| Abstract | The reductive removal of haloacetic acids (HAAs) in a three-dimensional electrochemical continuous reactor with Pd-granular activated carbon (Pd-GAC) particles as fixed filler and Pd-modified carbon paper (Pd-C) as cathode was studied in this research. Pd-C electrode was prepared from PdCl2 via electrodeposition onto carbon paper. Pd-GAC particles were prepared by the impregnation of Pd2+ ions onto GAC. Efficient electrocatalytic reduction of HAAs in this reactor was exhibited. Effects of current density, initial HHAs concentration, and hydraulic retention time on the HHAs removal were investigated. Under the current density of 0.3 mA/cm(2), HAAs with initial concentration of 120 mu g/L were reduced to be less than 60 mu g/L with hydraulic retention time of 20 min. Electron transfer and HAAs diffusion both played an important role in controlling the electro-reduction process under the conditions of current density less than 0.6 mA/cm2 with an initial HAAs concentration ranging from 120 to 600 mu g/L. However, the HAAs diffusion became the primary rate-limiting step when the current density was higher than 0.6 mA/cm(2). The Pd and Pd2+ species were detected by X-ray photoelectron spectroscopy. The stability of the electrochemical reactor in the reduction removal of HAAs was also exhibited. (C) 2013 Elsevier Ltd. All rights reserved. |
| Department | 环境水质学国家重点实验室 |
| Keyword | Pd-c Electrode Pd-gac Three-dimensional Electrochemical Reactor Electrocatalytic Reduction Haloacetic Acids |
| WOS ID | WOS:000331681200014 |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.rcees.ac.cn/handle/311016/9538 |
| Collection | 环境水质学国家重点实验室 |
| Recommended Citation GB/T 7714 | Zhao, Xu,Li, Angzhen,Mao, Ran,et al. Electrochemical removal of haloacetic acids in a three-dimensional electrochemical reactor with Pd-GAC particles as fixed filler and Pd-modified carbon paper as cathode[J]. WATER RESEARCH,2014,51(1):134-143. |
| APA | Zhao, Xu,Li, Angzhen,Mao, Ran,Liu, Huijuan,&Qu, Jiuhui.(2014).Electrochemical removal of haloacetic acids in a three-dimensional electrochemical reactor with Pd-GAC particles as fixed filler and Pd-modified carbon paper as cathode.WATER RESEARCH,51(1),134-143. |
| MLA | Zhao, Xu,et al."Electrochemical removal of haloacetic acids in a three-dimensional electrochemical reactor with Pd-GAC particles as fixed filler and Pd-modified carbon paper as cathode".WATER RESEARCH 51.1(2014):134-143. |
| Files in This Item: | Download All | |||||
| File Name/Size | DocType | Version | Access | License | ||
| Electrochemical remo（3029KB） | 开放获取 | -- | View Download | |||
Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.
Edit Comment