REN Ke-jun,LOU Shao-hua,TANG Ying-dong,et al.Research and Practice on the Remediation of Key Non-point Source Pollution Sources in Shenzhen[J].China Water & Wastewater,2021,37(18 18):35-41.
Research and Practice on the Remediation of Key Non-point Source Pollution Sources in Shenzhen
China Water & Wastewater[ISSN:1000-4062/CN:12-1073/TU]
volume:
第37卷
Number:
18 18
Page:
35-41
Column:
Date of publication:
2021-09-17
- Keywords:
- key non-point source pollution sources; the parallel implementation of “splitting flow” and “abandoning flow”; long-term management
- Abstract:
- To investigate the problem of urban non-point source pollution, four types of key non-point source pollution sources were taken as an example including garbage stations, car wash shops, catering streets, and farmers markets. In the work, we propose the management idea of the parallel implementation of “splitting flow” and “abandoning flow”, and follow the principle of “the diverted sewage entering the wastewater treatment plant first, and abandoning flow of non-point pollution entering the wastewater treatment plant in different periods”. The engineering and management measures were implemented in the projects, which included sewage pretreatment measures (separators, sedimentation tanks, etc.), initial rain interception measures (environmentfriendly gutters, intercepting wells, small storage tanks for initial rain, etc.), and long-term supervision mechanisms such as data collection and supervision information systems, etc. Thus this work achieved the interception at source and long-term management of non-point source pollution, which reduced the total amount of pollutants entering the river from the source to improve environment quality of watershedwide, and provided a new strategy for planning of watershed-wide stormwater system and river remediation.
Last Update:
2021-09-17