建議

1. 曝氣速率亦為影響薄膜積垢速率影響因子之一，且曝氣速率有一 臨界值，可針對此臨界值做一探討。

2. 可改變不同差距較大之 SRT 做一比較，以更深入探討 SRT 對於 MBR 之影響

3. 本研究中對於磷的去除效果並不明顯，一般 MBR 對於除磷乃加入氯化 鐵或鋁鹽等化學藥劑，或於 MBR 前端增設厭氧槽，可針對除磷所需加 藥的劑量或增設厭氧槽做一研究。

4. 本研究中模型廠之原水未採用前處理 (混凝、膠凝及沉澱)，未來可探討 原水經前處理後對於薄膜積垢之影響。

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附錄

實驗室研究數據

表一 氨氮生物降解試驗結果

Time (h) Temp¹ pH NH3-N² Temp pH NH3-N Wastewater Wastewater after pretreatment

0 23.5 7.57 41 23 7.55 36

1 22.5 8.00 41 22.5 8.00 41 2 22 8.09 39 22 8.09 39 4 22 8.12 39 22 8.11 39

6 21.5 8.13 36 22 8.11 28

8 21.5 8.01 37 21.5 8.02 38 12 21.5 7.86 38 21.5 7.93 33

24 22 7.72 34 21.5 7.91 32

48 22.5 7.48 28 22 7.89 28

72 22 7.39 23 22 7.41 24

96 22 7.2 25 22 7.31 27

120 22 6.77 20 22 7.24 21

144 22 6.38 (7.17³) 22 22 6.96 (7.17) 23 168 22 6.84 (7.10) 14 22 7.14 19 192 20 6.38 (7.14) 13 20.5 6.90 (7.13) 23

216 19 6.35 (7.08) 10 19 6.84 (7.08) 21 240 19.5 6.66 (7.35) 4 19.5 6.85 (7.14) 20 264 20 6.67 (7.11) 1 20 6.63 (7.13) 19

288 21 7.00 0 21 6.44 (7.29) 19 312 21 7.14 1 21 6.69 (7.15) 13 336 22 7.21 1 22 6.88 (7.14) 7 360 22 7.31 0 22 6.60 (7.05) 4

1 oC , ²mg/L, ³pH adjusted by adding NaHCO3

81 

表二 第二次氨氮生物降解試驗結果

Time (h) Temp¹ pH NH3-N² Temp pH NH3-N Wastewater Wastewater after pretreatment 0 19 7.83 57 18.5 7.80 53

24 18.5 7.52 45 19 7.31 41

42 20 7.25 47 20 6.62 (7.24) 41 48 20 7.09 44 20 6.97 (7.21) 34 54 20 7.02 35 20 7.06 25

66 19.5 6.53 (7.48³) 30 20 6.19 (7.40) 24 72 19.5 7.50 29 20 7.52 21 78 19 7.33 28 19.5 7.23 21 90 19 6.85 (7.06) 23 19 6.56 (7.06) 17 96 20 7.02 16 20.5 6.97 (7.09) 13 102 20.5 6.70 (7.19) 15 21 6.45 (7.24) 12 114 20 6.97 (7.25) 13 20.5 6.49 (7.60) 11 120 21 7.00 12 21 7.04 7 126 21 6.75 (7.04) 10 21 6.18 (7.44) 6 138 19 7.03 9 19 6.46 (7.18) 3 144 17.5 6.92 (7.22) 6 18 6.63 (7.25) 1 150 17.5 7.19 5 18 7.33 1 162 17 6.90 (7.15) 6 17 7.45 1 168 16 7.35 2 16.5 7.54 1 174 16 7.45 0 16.5 7.63 0

表三 半連續式批次試驗 pH 變化 Solids Retention Time (SRT), d

Date 8 12 16 8 12 16 Wastewater Wastewater after pretreatment

2008/12/10 6.84 6.88 6.80 7.01 7.04 6.83

83 

表四 半連續式批次試驗溫度變化

Temperature, ^oC

Date 8 12 16 8 12 16 Wastewater Wastewater after pretreatment

2008/12/10 23 23 22 22.5 23 21.5

表五 半連續式批次試驗溶氧變化 Dissolved Oxygen (DO), mg/L

Date 8 12 16 8 12 16 Wastewater Wastewater after pretreatment

2008/12/16 7.64 7.52 7.36 7.38 7.21 7.80