XIA Wen-lin,HUANGWei.Determination on Dredging Depth of River Sediment in the Comprehensive Treatment Project of Black and Odorous Water Bodies[J].China Water & Wastewater,2022,38(6):44-47.
Determination on Dredging Depth of River Sediment in the Comprehensive Treatment Project of Black and Odorous Water Bodies
China Water & Wastewater[ISSN:1000-4062/CN:12-1073/TU]
volume:
第38卷
Number:
第6期
Page:
44-47
Column:
Date of publication:
2022-03-17
- Keywords:
- black and odorous water body; dredging depth of sediment; heavy metals; evaluation of sediment pollution; criterion of flood protection and storm drainage
- Abstract:
- The deposition of river sediment will cause the insufficient flow section， and the release of pollutants in river sediments may further cause serious pollution to the water bodies. Specially, the excessive accumulation of heavy metals in sediment poses a serious damage to the ecological environment. Thus, the river dredging is a routine necessity in the black and odorous water body treatment. Taking the comprehensive treatment project of the black and odorous water body for Mayuan River in Jiangmen High-tech Zone as an example, the determination of the depth of river sediment dredging was analyzed in detail. This work reveals that the determination of the dredging depth of river sediment should be based on factors such as water quality assessment, sediment pollution evaluation, flood control and drainage standards, and the stability of the river slope. Moreover, the analysis shall be conducted according to the relevant regulations to ensure that the dredging is on-demand.
Last Update:
2022-03-17