Comparative Study on Biological Technology in Artificial Floating Island: Application of Media and Daphnia to Algal Biomass Control

Mei-Yan Jin; 장광현 (Kwang-Hyeon Chang); 김태훈; 오종민 (Jong-Min Oh)

doi:10.14249/eia.2018.27.1.83

Comparative Study on Biological Technology in Artificial Floating Island: Application of Media and Daphnia to Algal Biomass Control

Journal of Environmental Impact Assessment
Abbr : J EIA
2018, 27(1), pp.83-91
DOI : 10.14249/eia.2018.27.1.83
Publisher : Korean Society Of Environmental Impact Assessment
Research Area : Engineering > Environmental Engineering

Mei-Yan Jin ¹, Kwang-Hyeon Chang ¹, 김태훈 ¹, Jong-Min Oh ¹

¹경희대학교

Accredited

ABSTRACT

Media (bio-stone), aquatic macrophytes (Oenanthe javanica) and herbivorous cladoceran (Daphnia similoides) have been used in artificial floating island (AFI) systems for water pollution control. Efficiency in chl-a concentration controlling of AFI was tested using different combinations of each device: G-BD-mixture bio-stone and Daphnia similoides, G-OB-mixture Oenanthe javanica and bio-stone, G-BOD-mixture bio-stone, Oenanthe javanica and Daphnia similoides, and the out-put water quality improvement was compared with G-C-control (no device was applied). We analyzed removal efficiency of chl-a concentration and nutrient concentrations in the artificially eutrophic water in the laboratory experimental facility. The results showed average removal rates of Chlorophyll a, TN and TP for different four groups: 69.24%, 16.61%, -0.61%; 68.39%, 14.11%, 10.52%; 78.30%, 6.69%, 25.09%; 35.42%, -3.47%, -25.18%, respectively. The results have suggested that the mixture of media, plants and zooplankton is the most efficient combination for Chlorophyll a control, while the mixture of macrophytes and bio-stone have better efficiency nutrient control.

KEYWORDS

Biomanipulation, Bio-stone, Oenanthe javanica, Daphnia similoides, eutrophication

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* References for papers published after 2023 are currently being built.

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Journal of Environmental Impact Assessment 2023 KCI Impact Factor : 0.51

Comparative Study on Biological Technology in Artificial Floating Island: Application of Media and Daphnia to Algal Biomass Control

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* References for papers published after 2023 are currently being built.

Journal of Environmental Impact Assessment 2023 KCI Impact Factor : 0.51

Comparative Study on Biological Technology in Artificial Floating Island: Application of Media and Daphnia to Algal Biomass Control

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