| 城市河流中底泥再悬浮释放重金属的研究 |
| |
| 引用本文： | 方宇翘,姚振淮,孙为民,漆德瑶.城市河流中底泥再悬浮释放重金属的研究[J].环境科学学报,1987,7(3):289-296. |
| |
| 作者姓名： | 方宇翘 姚振淮 孙为民 漆德瑶 |
| |
| 作者单位： | 上海工业大学化学化工系
(方宇翘，姚振淮，孙为民)，上海工业大学化学化工系(漆德瑶) |
| |
| 摘 要： | 本实验对上海苏州河支流彭越浦河底泥中Hg、Cd、Pb、Cr、Mn、Cu、Zn的释放形态进行了研究。结果表明,释放后悬浮液中浓度比清液高1—1.5个数量级。应用再悬浮的规律,推导出悬浮释放速率方程,其计算值与实测值的误差不大于30％。应用引出的迁移模式,预测在低潮位河流流速快时,水质将高于三级地面水标准,再次影响治理后的苏州河水质。
|
| 关 键 词： | 再悬浮 底泥 释放 重金属 迁移 |
| 收稿时间： | 1986/10/29 0:00:00 |
RELEASE OF HEAVY METALS FROM RESUSPENDED BOTTOM SEDIMENTS |
| |
| Fang Yuqiao,Yao Zhenhuai,Sun Weimin and Qi Deyao.RELEASE OF HEAVY METALS FROM RESUSPENDED BOTTOM SEDIMENTS[J].Acta Scientiae Circumstantiae,1987,7(3):289-296. |
| |
| Authors: | Fang Yuqiao Yao Zhenhuai Sun Weimin and Qi Deyao |
| |
| Institution: | Department of Chemistry and Chemical Engineering, Shanghai University of Technology,Department of Chemistry and Chemical Engineering, Shanghai University of Technology,Department of Chemistry and Chemical Engineering, Shanghai University of Technology and Department of Chemistry and Chemical Engineering, Shanghai University of Technology |
| |
| Abstract: | The release of Hg, Cd, Pb, Cr, Mn, Cu and Zn from resuspended bottom sediments of Pengyuepu stream, a tributary of Suzhou River, was studied. It was found that the concentrations of the soluble metals after the resuspension were 1-1.5 order of magnitude higher than that before. A velocity equation for metal release was introduced and the calculated results were quite close to observed values. It was predicted that in case of low tide and high flow the metal concentrations in the water column would exceed the surface water standard of third class. |
| |
| Keywords: | heavy metal sediment resuspension |
| 本文献已被 CNKI 等数据库收录！ |
| 点击此处可从《环境科学学报》浏览原始摘要信息 |
| 点击此处可从《环境科学学报》下载免费的PDF全文 |
|
