Optimum Configuration Method and Livestock Wastewater Loding for Treating Livestock Wastewater in Constructed Wetlands by Natural Purification Method
2011
Park, J.H., Gyeongsang National University, Jinju, Republic of Korea | Seo, D.C., Sunchon National University, Sunchon, Republic of Korea | Kim, A.R., Gyeongsang National University, Jinju, Republic of Korea | Kim, S.H., Gyeongsang National University, Jinju, Republic of Korea | Lee, S.T., Gyeongsangnam Agricultural Research and Extension Services, Jinju, Republic of Korea | Jeong, T.U., Busan Metropolitan City Institute of Health and Environment, Busan, Republic of Korea | Choi, J.H., Korea Environment Corporation, Incheon, Republic of Korea | Kim, H.O., University of Seoul, Seoul, Republic of Korea | Cho, J.S., Sunchon National University, Sunchon, Republic of Korea | Heo, J.S., Gyeongsang National University, Jinju, Republic of Korea
To obtain optimum configuration method and livestock wastewater loading in small-scale livestock wastewater apparatus by natural purification method for treating livestock wastewater, the small-scale livestock wastewater apparatuses were constructed with 9 kinds of combined systems such as aerobic bed (ae)-anaerobic bed (an), ae-ae, ae-anoxic bed (ox), an-an, an-ae, an-ox, ox-ae, ox-an and ox-ox livestock wastewater treatment apparatuses. Under different configuration methods, the removal rate of COD in Ae-Ae and Ae-An livestock wastewater treatment apparatus was higher than that in other configuration methods. The removal rate of T-N in Ae-An livestock wastewater treatment apparatus was higher than that in other configuration methods. Removal rates of SS and T-P were not different regardless of configureation methods in small-scale livestock wastewater treatment apparatus. Under different livestock wastewater loading, the removal rates of pollutants were higher in the order of 50 L m-² day-¹ ≒ 100 L m-² day-¹ greater than 200 L m-² day-¹. Therefore, optimum configuration method was Ae-An livestock wastewater treatment apparatus, and optimum livestock wastewater loding was 100 L m-² day-¹ in small-scale livestock wastewater treatment apparatus.
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