臺灣博碩士論文加值系統

摘要
台灣目前面臨水資源短缺及污染嚴重的情況，對於畜牧業用水及排放管理的問題，是政府長久以來思索解決的政策。為了節約水資源及符合環保署放流水標準，本研究利用電化學處理方式，以處理鵝糞尿廢水。
在基礎實驗中，小型電凝機在有效容積5L下，鋁極板材質較鐵極板效率高，在電壓110V，電流1.5A、極距2cm、電凝時間5min為操作條件進行連續循環基礎測試，其BOD、COD、SS及濁度平均去除率分別為94.74、91.15、78.65及58.73%皆已達放流水標準，排放水中之pH值變化在7.19∼7.64範圍，對TDS及EC去除效果不彰，分別只有9.61及9.8%，但對烏黑的鵝糞尿廢水具有良好的除色效果。
於實際現場擴大處理容積至1048L，以電壓220V，電流20A、極距7cm、HRT為5min進行連續循環測試結果，BOD、COD、SS及濁度去除率分別為50.67、51.47、71.76及62.99﹪，其去除率雖較小型電凝機基礎實驗為低，但亦均已達放流水標準，在此操作條件下，估算處理每噸鵝廢水耗電量為0.315kw-hr/ton。整體而言，污染物去除率隨著供給電量及電凝時間增加而增加，但隨極距增加而降低。

Abstract
Taiwan faces the shortage of water resource and condition of serious pollution recently. The government had spent a great effort to find out the policy for solving the problems, which brought from the farming water and its disposal management. In this study, an electro-chemical method was used to process the geese excretion wastewater in order to safe the water resource and reach the sewage disposal standard of EPA.
In the fundamental experiments, by using a small electro-coagulator with 5 L effective volume, the efficiency of the aluminum electrodes was higher than iron electrodes. The average removal rates of the BOD, COD, SS and turbidity(NTU) which were obtained by the continuous recycled fundamental experiments with electric voltage 110V, electric current 1.5 A, electrodes clearance 2 cm and electro-coagulation time 5 min , were 94.74, 91.15, 78.65 and 58.73%, respectively reached the disposal standard. The removal effects of the TDS and EC were not significant for the level of pH between 7.19 and 7.64 , which were only 9.61 and 9.8%, respectively. However, the de-color effect of the dark black geese excretion was significant.
When the processing volume scaled up to 1048 L, the removal rates of the BOD, COD, SS and turbidity (NTU) which were obtained by the continuous recycled experiments with electric voltage 220V, electric current 20 A, electrodes clearance 7 cm and HRT 5 min , were 50.67, 51.47, 71.76 and 62.99%, respectively. The removal rates were lower than those of the small electro-coagulator. However, they were all reached the disposal standard. Under the above conditions, the estimated electric consumption for processing the geese wastewater was 0.315kw-hr/ton. The overall results indicated that the removal rate of the pollutant increased with the increasing of the electric supply and the electro-coagulation time, but decreased with the increasing of the electrodes clearance.
Keywords: electro-chemical, geese excretion wastewater, BOD, COD, SS

Abstract
Taiwan faces the shortage of water resource and condition of serious pollution recently. The government had spent a great effort to find out the policy for solving the problems, which brought from the farming water and its disposal management. In this study, an electro-chemical method was used to process the geese excretion wastewater in order to safe the water resource and reach the sewage disposal standard of EPA.
In the fundamental experiments, by using a small electro-coagulator with 5 L effective volume, the efficiency of the aluminum electrodes was higher than iron electrodes. The average removal rates of the BOD, COD, SS and turbidity(NTU) which were obtained by the continuous recycled fundamental experiments with electric voltage 110V, electric current 1.5 A, electrodes clearance 2 cm and electro-coagulation time 5 min , were 94.74, 91.15, 78.65 and 58.73%, respectively reached the disposal standard. The removal effects of the TDS and EC were not significant for the level of pH between 7.19 and 7.64 , which were only 9.61 and 9.8%, respectively. However, the de-color effect of the dark black geese excretion was significant.
When the processing volume scaled up to 1048 L, the removal rates of the BOD, COD, SS and turbidity (NTU) which were obtained by the continuous recycled experiments with electric voltage 220V, electric current 20 A, electrodes clearance 7 cm and HRT 5 min , were 50.67, 51.47, 71.76 and 62.99%, respectively. The removal rates were lower than those of the small electro-coagulator. However, they were all reached the disposal standard. Under the above conditions, the estimated electric consumption for processing the geese wastewater was 0.315kw-hr/ton. The overall results indicated that the removal rate of the pollutant increased with the increasing of the electric supply and the electro-coagulation time, but decreased with the increasing of the electrodes clearance.
Keywords: electro-chemical, geese excretion wastewater, BOD, COD, SS

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