Photochemical behavior of benzo[a]pyrene on soil surfaces under UV light irradiation
文献类型：期刊论文
| 作者 | Zhang, LH; Li, PJ; Gong, ZQ; Adeola, O; Li, PJ, Chinese Acad Sci, Inst Appl Ecol, Shenyang 110016, Peoples R China |
| 刊名 | JOURNAL OF ENVIRONMENTAL SCIENCES-CHINA
 |
| 出版日期 | 2006 |
| 卷号 | 18期号:6页码:1226-1232 |
| 关键词 | Photodegradation Photocatalysis Benzo[a]Pyrene Uv-irradiation |
| ISSN号 | 1001-0742 |
| 英文摘要 | The rates of photodegradation and photocatalysis of benzo[a]pyrene (BaP) on soil surfaces under UV light have been studied. Different parameters such as temperature, soil particle sizes, and soil depth responsible for photodegradation, catalyst loads and wavelength of UV irradiation blamed for photocatalysis have been monitored. The results obtained indicated that BaP photodegradation follows pseudo-first-order kinetics. BaP photodegradation was the fastest at 30 degrees C. The rates of BaP photodegradation at different soil particle size followed the order: less than 1 min > less than 0.45 mm > less than 0.25 mm. When the soil depth increased from I mm to 4 mm, the half-life increased from 13.23 d to 17.73 d. The additions of TiO2 or FC2O3 accelerated the photodegradation of BaP, and the photocatalysis of BaP follows pseudo-first-order kinetics. Changes in catalyst loads of TiO2 (0.5%, 1%, 2%, and 3% (wt)) or Fe2O3 (2%, 5%, 7%, and 10% (wt)) did not significantly affect the degradation rates. Both BaP photocatalysis in the presence of TiO2 and Fe2O3 were the fastest at 254 nm UV-irradiation. |
| 学科主题 | Environmental Sciences |
| 语种 | 英语 |
| WOS记录号 | WOS:000242222400033 |
| 公开日期 | 2011-09-23 |
| 源URL | [http://210.72.129.5/handle/321005/54827]  |
| 专题 | 沈阳应用生态研究所_沈阳应用生态研究所 |
| 通讯作者 | Li, PJ, Chinese Acad Sci, Inst Appl Ecol, Shenyang 110016, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zhang, LH,Li, PJ,Gong, ZQ,et al. Photochemical behavior of benzo[a]pyrene on soil surfaces under UV light irradiation[J]. JOURNAL OF ENVIRONMENTAL SCIENCES-CHINA,2006,18(6):1226-1232. |
| APA | Zhang, LH,Li, PJ,Gong, ZQ,Adeola, O,&Li, PJ, Chinese Acad Sci, Inst Appl Ecol, Shenyang 110016, Peoples R China.(2006).Photochemical behavior of benzo[a]pyrene on soil surfaces under UV light irradiation.JOURNAL OF ENVIRONMENTAL SCIENCES-CHINA,18(6),1226-1232. |
| MLA | Zhang, LH,et al."Photochemical behavior of benzo[a]pyrene on soil surfaces under UV light irradiation".JOURNAL OF ENVIRONMENTAL SCIENCES-CHINA 18.6(2006):1226-1232. |
入库方式： OAI收割
来源：沈阳应用生态研究所
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