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Reducing harmful algae in raw water by light-shading

  • Xue Chu Chen
  • , Hai Nan Kong*
  • , Sheng Bing He
  • , De Yi Wu
  • , Chun Jie Li
  • , Xiao Chen Huang
  • *Corresponding author for this work
  • Shanghai Jiao Tong University
  • Design Institute

Research output: Contribution to journalArticlepeer-review

Abstract

The occurrence of harmful algal bloom in water source poses a serious water safety problem to local water supply systems. In order to ensure the raw water quality, the feasibility of an in situ light-shading measure was investigated through enclosure experiment and pilot-scale experiment. The results showed that harmful algal bloom could be controlled by light-shading lasting for 6-9 days, with water quality being partially improved. When aeration was added, the reduction of algal biomass could be enhanced, and water quality was further improved compared to that without aeration. These experimental results offered an attractive in situ algal control measure for lakes or reservoirs suffered from harmful algal bloom.

Original languageEnglish
Pages (from-to)357-360
Number of pages4
JournalProcess Biochemistry
Volume44
Issue number3
DOIs
StatePublished - Mar 2009
Externally publishedYes

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 6 - Clean Water and Sanitation
    SDG 6 Clean Water and Sanitation

Keywords

  • Aeration
  • Harmful algae
  • Light-shading
  • Raw water
  • Water quality

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