Mitigating harmful cyanobacterial blooms in drinking water reservoirs through in-situ sediment resuspension

Jiao Fang^1,2, Yande Li⁴, Ming Su^1,6,*, Tengxin Cao^1,6, Xufeng Sun³, Yufan Ai^1,6, Jinyi Qin⁵, Jianwei Yu^1,6, Min Yang^1,6,*

1. State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, P.O. Box 2871, Beijing, 100085.

2. School of Environment and Spatial Informatics, China University of Mining and Technology, Xuzhou, 221116.

3. Zhejiang Weicheng Huanbao Co. Ltd., Yunxiu North Road 1200, Huzhou, 313200.

4. Management Station of Shuangxikou Reservoir, Reservoir Management Service Center of Yuyao, Ningbo, 315423.

5. School of Civil Engineering, Chang’an University, Xi’an, 710054.

6. University of Chinese Academy of Sciences, Beijing, 100049.

* Corresponding Author: Min Yang (yangmin@rcees.ac.cn)

Highlights

• Sediment resuspension (SR) controls algae by light reduction and TDP removal
• SR improves sediment quality by increasing ORP and inhibiting phosphorus releases
• SR technology is green and economical, can be applied in drinking water reservoirs