Synergistic and competitive adsorption of organic dyes on multiwalled carbon nanotubes
文献类型：期刊论文
| 作者 | Wang, Shaobin ; Ng, Choon Wei ; Wang, Wentai ; Li, Qin ; Hao, Zhengping |
| 刊名 | Engineering
 |
| 出版日期 | 2012 |
| 卷号 | 197期号:1页码:34-40 |
| 关键词 | Dye adsorption Multi-wall carbon nanotube Methylene blue Acid red 183 |
| ISSN号 | 1385-8947 |
| 中文摘要 | A multiwalled carbon nanotube (MWCNT) was used as an adsorbent for removal of a cationic dye (methylene blue, MB) and acid dye (acid red 183, AR183) from aqueous solution in single and binary dye systems. Characterization of the MWCNT and MWCNT-dye systems were performed using several techniques such as Fourier transform infrared spectroscopy (FTIR), thermogravimetric-differential thermal analysis (TG-DTA), zeta potential and elemental analysis. Adsorption tests showed that the MWCNT presented higher adsorption of MB than AR183 in single and binary dye systems, revealing that pi-pi stacking is the main driving force responsible for the dye-MWCNT interaction. In single dye systems, the MWCNT presented the maximum adsorption capacities of MB and AR183 at 59.7 and 45.2 mg/g, respectively. In a binary dye system, a synergistic effect due to electronic attraction between MB and AR183 was found at low AR183 concentration (10 mg/L), which promotes the adsorption of both dyes on the MWCNT. However, MB adsorption could be reduced at higher AR183 concentration (>20 mg/L) due to a strong electrostatic attraction between MWCNT-AR183. (C) 2012 Elsevier B.V. All rights reserved. |
| WOS记录号 | WOS:000306938000005 |
| 公开日期 | 2014-11-28 |
| 源URL | [http://ir.rcees.ac.cn/handle/311016/8110]  |
| 专题 | 生态环境研究中心_环境纳米材料实验室 |
| 推荐引用方式 GB/T 7714 | Wang, Shaobin,Ng, Choon Wei,Wang, Wentai,et al. Synergistic and competitive adsorption of organic dyes on multiwalled carbon nanotubes[J]. Engineering,2012,197(1):34-40. |
| APA | Wang, Shaobin,Ng, Choon Wei,Wang, Wentai,Li, Qin,&Hao, Zhengping.(2012).Synergistic and competitive adsorption of organic dyes on multiwalled carbon nanotubes.Engineering,197(1),34-40. |
| MLA | Wang, Shaobin,et al."Synergistic and competitive adsorption of organic dyes on multiwalled carbon nanotubes".Engineering 197.1(2012):34-40. |
入库方式： OAI收割
来源：生态环境研究中心
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