Effect of temperature on the sorption and desorption of perfluorooctane sulfonate on humic acid
文献类型：期刊论文
| 作者 | Jia, Chengxia ; You, Chun ; Pan, Gang |
| 刊名 | JOURNAL OF ENVIRONMENTAL SCIENCES-CHINA
 |
| 出版日期 | 2010 |
| 卷号 | 22期号:3页码:355-361 |
| 关键词 | perfluorooctane sulfonate sorption desorption temperature humic acid |
| 中文摘要 | Sorption and desorption of perfluorooctane sulfonate (PFOS) on humic acid at different temperatures were studied. It was found that the sorption process could be modeled with power kinetic equation very well, suggesting that diffusion predominated the sorption of PFOS on the humic acid. The sorption capacity was doubled when the temperature increased from 5 to 35 degrees C, and thermodynamics parameters Delta G(0) was calculated to be -7.11 to -5.04 kJ/mol, Delta H(0) was 14.2 kJ/mol, and Delta S(0) was 69.5 J/(mol.K), indicating that the sorption was a spontaneous, endothermic, and entropy driven process. Desorption hysteresis occurred at all studied temperatures which suggested that humic acid may be an important sink of PFOS in the environment. |
| WOS记录号 | WOS:000275883400005 |
| 源URL | [http://ir.rcees.ac.cn/handle/311016/21230]  |
| 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 | Jia, Chengxia,You, Chun,Pan, Gang. Effect of temperature on the sorption and desorption of perfluorooctane sulfonate on humic acid[J]. JOURNAL OF ENVIRONMENTAL SCIENCES-CHINA,2010,22(3):355-361. |
| APA | Jia, Chengxia,You, Chun,&Pan, Gang.(2010).Effect of temperature on the sorption and desorption of perfluorooctane sulfonate on humic acid.JOURNAL OF ENVIRONMENTAL SCIENCES-CHINA,22(3),355-361. |
| MLA | Jia, Chengxia,et al."Effect of temperature on the sorption and desorption of perfluorooctane sulfonate on humic acid".JOURNAL OF ENVIRONMENTAL SCIENCES-CHINA 22.3(2010):355-361. |
入库方式： OAI收割
来源：生态环境研究中心
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