Feasibity of Constructed Wetland Applied to Leisure Ecological Park and the Reuse of Treated Water

• Main Authors: Wei-Cheng Liu, 劉威成
• Other Authors: Shuh-Ren Jing
• Format: Others
• Language: zh-TW
• Published: 2009
• Online Access: http://ndltd.ncl.edu.tw/handle/2egks4

碩士 === 嘉南藥理科技大學 === 環境工程與科學系碩士班 === 97 === This article mainly aims at the Lian-tan environmental protection park community and Ba-Lao-Ya dairy farmers Weng ecological wetland park system，Explore the application of artificial wetland ecological leisure park for the treatment of domestic sewage treatment efficiency and water purification after the feasibility of recycling. Lian-tan environmental protection park community of Constructed wetland Is located the Tainan County Baihe Township Lian-tan Community, The surface which connect a subsurface flow wetland (SSF) and a free water surface wetland (FWS) was 300m2,and the amount of treatment of domestic wastewater was about 10 CMD Equivalent to hydraulic loading for the 0.03 m3/m2/day since January, 2006 to June, 2008. The Experimental result demonstration the turbidity influent and effluent concentrations were 33.7±19.5 NTU and 11.3±7.9 NTU; the TSS influent and effluent concentrations were 44.7±20.6 mg/Land 14.5±6.4 mg/L; the BOD5 influent and effluent concentrations were 24.8±21.1 mg/L and 5.8±3.4 mg/L; the COD influent and effluent concentrations were 83.2±31.9 mg/L and 26.2±12.7 mg /L; the TP influent and effluent concentrations were 4.5±2.7 mg/L and 1.9±1.0 mg/L; the TN influent and effluent concentrations were 45.9±33.7 mg/L and 5.3±2.6 mg/L; the total coliforms influent and effluent concentrations were 912±437 CFU/mL and 88±23 CFU/mL in the Lian-tan wetland system.Through this wetland effluents after treatment of the above-mentioned water and Collected in a tank of rainwater runoff quality parameters are in line with the Environmental Protection Bulletins “Sewage system of the new public sewer effluents discharge standards”. The other wetland system which have two independent system in the Ba-Lao-Ya Dairy Farm, Liuying Shiang, Tainan county. One of SSF wetlands area of 100m2, Mainly To deal with the within the restaurant ranch sewage and flushing water, Since January 2006 to June 2008,Treatment of sewage per day is about 5 CMD, Equivalent to hydraulic loading for the 0.05m3/ m2 /day. Another of SSF wetlands area of 100m2,Mainly used to deal with storm water runoff and overflow FWS wetlands. The Experimental result demonstration the turbidity influent and effluent concentrations were 231.1±439.0 NTU and 121.5±325.0 NTU; the TSS influent and effluent concentrations were 196.7±189.6 mg/L and 10.5±16.2 mg/L; the BOD5 influent and effluent concentrations were 178.6±144.7 mg/L and 3.6±3.3 mg/L; the COD influent and effluent concentrations were 155.5±89.0 mg/L and 27.1±20.2 mg/L; the TP influent and effluent concentrations were 12.0±5.0 mg/L and 1.3±0.5 mg /L; the TN influent and effluent concentrations were 161.5±76.5 mg/L and 8.0±5.0 mg/L; the total coliforms influent and effluent concentrations were 85,389±30,650 CFU/mL and 37.2±22.2 CFU/mL.Through this wetland effluents after treatment of the above-mentioned water and Collected in a tank of rainwater runoff quality parameters are in line with the Environmental Protection Bulletins“Sewage system of the new public sewer effluents discharge standards”.Another way, the rain fluent which collect to the tank can be used to recycle as landscape、water plants、control road dust with water、wash cars or clean the floor, etc. The results show the feasibility of the wetland system was used to treat the domestic wastewater. Therefore, the wetland system can not only made by molding beautiful and variety biological environment, but also clean to recycle the water.