- 學位論文
生物膜對豬隻廢水厭氣處理效果之研究
Effects of Biological Membrane on the Performance of Anaerobic Treatment of Swine Wastewater
摘要
兩個試驗皆是利用養豬廢水並控制在厭氣處理的情況下。在試驗一中主要是3個溫度處理(15, 25, 和35℃)和3個pH處理(6.5, 7.0, 和7.5)之複因子設計，對其厭氣性細菌之影響。厭氣廢水主要分成9個處理組，每處理4重複，每重複之試驗期為7天。每一個生物反應器皆個別檢測其厭氣廢水。在7天的試驗期結束後，發現養豬廢水在溫度25℃及pH 7.0的處理下，對於BOD及COD具有顯著較高之去除率(P＜0.001)，並且會有較高之NH3(91.66 ppm)及H2S(10.21 ppm)產生。 試驗二中主要將厭氣廢水分成3個處理組，每處理4重複，每重複之試驗期為4天。3個處理組分別為，處理1為厭氣廢水、manure、biofilm；處理2為自來水、manure；處理3為厭氣廢水、manure。利用試驗一的結果，因此我們將試驗二中的每一個生物反應器皆控制在溫度25℃及pH 7.0的環境下，並且進行個別的檢測。在4天的試驗期結束後，發現處理1(有添加biofilm)具有顯著較高之BOD、COD、SS及TP的去除率(P＜0.001)，並且其沼氣的產量具有極顯著的不同(P＜0.001)。 綜合試驗一及試驗二的結果發現，生物膜具有非常大之處理效率，並且可以增加沼氣的產量及改善養豬廢水的處理性能。
並列摘要
Two studies were conducted to evaluate the performance of anaerobic treatment treating swine wastewater. In the first study was to determine the effect of 3 temperatures (15, 25, and 35oC) × 3 pH (6.5, 7.0, and 7.5) on anaerobic bioreactor. The anaerobic wastewaters were allocated to form 9 combinations of treatments. There were 4 replicates per treatment, and 1 replicate was an interval of 7 days. Anaerobic wastewaters were tested individually in each bioreactor. The results demonstrated that after 7 days of experimental period on temperature 25oC and pH 7.0 have high efficiency for treat swine wastewater that demonstrated in high BOD and COD survival rate (P<0.001), and high NH3 (91.66 ppm) and H2S (10.21 ppm) production. In the second study, anaerobic wastewaters were allocated into 3 treatments. There were 4 replicates per treatment, and 1 replicate was an interval of 4 days. The 3 treatments were (1) anaerobic wastewater, manure, biofilm; (2) ordinary water, manure; (3) anaerobic wastewater, manure. There were tested individually in each bioreactor which was operated at 25oC and pH 7.0 from the result of the first experiment. The results after 4 days of experimental period demonstrated that treatment 1 (add biofilm) was high BOD, COD, SS, and TP survival rate (P<0.001) and also biogas production level highly significant difference (P<0.001). The results obtained from the two studies further demonstrated that biological membrane could maximize the efficiency of the treatment, enhance the biogas production and subsequently improve performance of swine wastewater treatment.