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초록·키워드 목차

The widespread use of endosulfan in agriculture has increased public concern regarding their residual presence in food and ecosystems. In this study, the removal efficiency of α- and β-endosulfan was evaluated with organic and inorganic adsorbents. The results indicate that carbon-based adsorbents (CBAs) are more effective for α- and β-endosulfan removal than non-CBAs (inorganic adsorbents). The removal efficiencies of α- and β-endosulfan in the solutions by powdered activated carbon (PAC) were 100%, by granular activated carbon (GAC) were 97%, by oak charcoal (OC) were 82% and 74%, and by rice husk charcoal (RHC) were 64% and 60%, respectively. Removal efficiencies of CBAs depend on their specific surface area and average pore size. In non-CBAs, silica and alumina exhibited poor removal efficiency for endosulfan; in contrast, Florisil and zeolite showed effective adsorption, especially for β-endosulfan. In the 9-day soil column leaching test in the CBAs-free and the PAC-, OC-, and RHC-added columns, α-endosulfan decreased in the leachate by 87%, 82%, and 63% and β-endosulfan decreased by 85%, 74%, and 60%, respectively. These differences in endosulfan removal performance were supported by scanning electronic microscopy results. Our results suggest that CBAs can be tentatively utilized for endosulfan removal from contaminated agricultural environment. #carbon-based adsorbents(CBAs) #α-endosulfan #β-endosulfan

Abstract
Introduction
Materials and Methods
Results and Discussion
Conclusions
Literature cited

저자의 논문

    • 은희수 (National Agriculture and Food Research Organization (NARO))
    • 전체 이용수 237

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