Microwave assisted photocatalytic degradation of high concentration azo dye Reactive Brilliant Red X-3B with microwave electrodeless lamp as light source
文献类型：期刊论文
| 作者 | Zhang, Xiwang ; Li, Guoting ; Wang, Yizhong |
| 刊名 | DYES AND PIGMENTS
 |
| 出版日期 | 2007 |
| 卷号 | 74期号:3页码:536-544 |
| 关键词 | photodegradation microwave electrodeless lamp Reactive Brilliant Red X-3B biodegradability inorganic oxidizing species |
| 英文摘要 | A device for microwave assisted photocatalysis (TiO2/MWL) was described based on a modified domestic microwave oven that incorporated a novel microwave electrodeless lamp as the source of UV-vis irradiation to photodegrade environmental pollutants of high concentration in aqueous media. The performance of this device was examined using the photodegradation of azo dye Reactive Brilliant Red X-3B driven by a coupled UV-vis/microwave irradiation in an aqueous TiO2 dispersion. The coupled UV-vis/microwave irradiation led to effective degradation of higher concentration dyes in TiO2/MWL than in conventional photocatalysis. Higher photodegradation efficiency, higher rate constant (k) of surface reaction between dyes and hydroxyl radicals and slighter influence of the initial dye concentration on photodegradation were found in TiO2/MWL. For 400 mg/L X-3B, removal of color and total organic carbon (TOC) reached 100% and 65% after 180 min, respectively. Meanwhile, the biodegradability of dye solution indicated by the value of BOD5/COD increased from initial 0.03 to 0.35 which indicated that TiO2/ MWL could be used as a pre-treatment process of biotreatment as well. Moreover, photodegradation rate could be enhanced evidently in TiO2/ MWL by inorganic oxidizing species (H2O2, Na2S2O8 and Fe(NO3)(3)). (c) 2006 Elsevier Ltd. All rights reserved. |
| WOS记录号 | WOS:000245414600007 |
| 源URL | [http://ir.rcees.ac.cn/handle/311016/22567]  |
| 专题 | 生态环境研究中心_环境水质学国家重点实验室 |
| 推荐引用方式 GB/T 7714 | Zhang, Xiwang,Li, Guoting,Wang, Yizhong. Microwave assisted photocatalytic degradation of high concentration azo dye Reactive Brilliant Red X-3B with microwave electrodeless lamp as light source[J]. DYES AND PIGMENTS,2007,74(3):536-544. |
| APA | Zhang, Xiwang,Li, Guoting,&Wang, Yizhong.(2007).Microwave assisted photocatalytic degradation of high concentration azo dye Reactive Brilliant Red X-3B with microwave electrodeless lamp as light source.DYES AND PIGMENTS,74(3),536-544. |
| MLA | Zhang, Xiwang,et al."Microwave assisted photocatalytic degradation of high concentration azo dye Reactive Brilliant Red X-3B with microwave electrodeless lamp as light source".DYES AND PIGMENTS 74.3(2007):536-544. |
入库方式： OAI收割
来源：生态环境研究中心
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