ZHAO Xu,CHEN Xi-chao,DANG Yao,et al.Genotoxicity and Estrogenic Effects of Industrial Wastewater and Receiving Water in the Pearl River Delta[J].China Water & Wastewater,2021,37(21 21):69-74.
Genotoxicity and Estrogenic Effects of Industrial Wastewater and Receiving Water in the Pearl River Delta
China Water & Wastewater[ISSN:1000-4062/CN:12-1073/TU]
volume:
第37卷
Number:
21 21
Page:
69-74
Column:
Date of publication:
2021-11-01
- Keywords:
- industrial wastewater; receiving water; genotoxicity; estrogenic effect; the Pearl River Delta
- Abstract:
- The genotoxicity and estrogenic effects of fifteen water samples from the influent and effluent of a sewage treatment plant, the raw wastewater and drainage of seven industrial enterprises and six receiving water in a region of the Pearl River Delta were detected by using SOS/umu test and a recombinant yeast system. In this region, the influent and effluent of the sewage treatment plant, the industrial wastewater and drainage and the receiving water all showed significant genotoxic effects, and the estrogenic effect of the receiving water was higher than that of the effluent from the sewage treatment plant and the drainage from the industrial enterprises.The genotoxic R values ranged from 3.03 to 4.18 at low exposure concentrations (1.57 mL/well to 12.5 mL/well) for the influent and effluent of the sewage treatment plant as well as the industrial drainage. No significant cytotoxicity was showed in the receiving waters, and the genotoxic R value was between 1.67 and 5.13 at low exposure concentrations (1.57 mL/well to 12.5 mL/well). Among water samples from the influent and effluent of the sewage treatment plant, industrial wastewater and drainage, only the raw wastewater and drainage from the printing and dyeing factory and the drainage from electric circuit factory had weak estrogenic effects, and the induced activity ranged from 0.026 to 0.041.Four of the six water samples from the receiving waters showed significant estrogenic effects, and the induced activity ranged from 0.048 to 0.105. There were still a large number of pollutants with genotoxicity and estrogenic effects in the receiving waters. The genotoxic level was basically equal to that of the industrial wastewater, while the estrogenic effect was higher than that of the industrial wastewater.
Last Update:
2021-11-01