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Feasibility of Reclaimed Wastewater and Waste Nutrient Solution for Crop Production in Korea
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 Title & Authors
Feasibility of Reclaimed Wastewater and Waste Nutrient Solution for Crop Production in Korea
Choi, Bong-Su; Lee, Sang-Soo; Awad, Yasser M.; Ok, Yong-Sik;
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BACKGROUND: Development of water recycle technologies is important for human health and sustainable agriculture. However, few studies have been conducted to examine the purification methods or the water quality of reclaimed wastewater in Korea. METHODS AND RESULTS: In this study, the different wastewaters including reclaimed wastewater and waste nutrient solution (NS) were evaluated. The changes of water quality in reclaimed wastewater and NS were determined using ultraviolet (UV) treatment and sand filtration with charcoal. Our results showed that one of the most critical limitations of reusing wastewater was the presence of harmful pathogens that possibly cause human health risks. CONCLUSION(s): This study suggests that the application of UV treatment or combined with sand filtration on reclaimed wastewater and waste NS effectively removes the total coliform bacteria below the harmful or acceptable level. For future studies, a long-term field monitoring after applying reclaimed wastewater or NS is needed.
Coliform bacterium;Nutrient solution;Reclaimed wastewater;Sand filtration;Ultraviolet (UV);
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