A polot-Scale Study of Multiple Stage of Constructed Wetland Treatment System and Modeling for Nutrient Removal
- A polot-Scale Study of Multiple Stage of Constructed Wetland Treatment System and Modeling for Nutrient Removal
- 최승일; Janjit Iamchaturapatr; 이재성
- Constructed wetland; CW; Free water surface flow; Nutrient removal; Pilot-scale
- Issue Date
- Journal of Korean Society on Water Quality; 한국물환경학회지
- VOL 26, NO 5, 781-788
- A pilot was performed to examine the feasibility of multiple stage of constructed wetland (CW) for nutrient removal. The system is composed of six wetland cells connected with water-ways. The hydraulic of wetland cells is designed as free water surface flow. The treatment capacity was 25m3d-1 at HRT of about one day for each cell. The magnitude of nutrient removal was related with the length of wetlands and plant density. Total N and P removal rates were 1353 and 246 mgm-2d-1, respectively. The pilot-scale reactor was model as continuous flow system containing contribution of CSTR and PFR typed-reactors. The k-C' model equation was applied to predict N and P reduction. The result indicated the equation was well guided to estimate reduction of NO3-N and PO4-P.
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