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題 名 | 應用電解呼吸儀評估活性污泥對煉焦廢水分解效率之影響=Evalutions of Coke Wastewater Biodegration in Activated Sludge Process with Electrolytic Respiration Meter |
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作 者 | 劉英杰; 趙幼梅; 林明權; 洪國燄; | 書刊名 | 技術與訓練 |
卷 期 | 23:6=193 1998.12[民87.12] |
頁 次 | 頁148-155 |
分類號 | 445.463 |
關鍵詞 | 電解呼吸儀; 攝氧速率; 呼吸率; 活性污泥; 生物分解; 食微比; Electrolytic respiration meter; Oxy gen uptake rate; Respiration rate; Activated sludge; Bio-degradation; Food-microorganism ratio; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究主要是利用 Batch-type 電解呼吸儀來探討不同食微比( F/M )、SCN-添 加濃度、污泥種類對活性污泥微生物分解煉焦廢水中 COD、SCN-、CN- 效率之影響。由實驗 結果發現:當 F/M=2.0 時,煉焦廢水會對活性污泥微生物產生遲滯現象,F/M ≦ 0.4 時, 微生物能進行快速攝氧動作,並且微生物之攝氧速率與廢水 COD 去除率成正比關係。 SCN- 添加濃度由 0ppm 提高至 400 ppm 時,高活性之微生物對廢水 COD、SCN- 去除率依序約為 75% 與 98%, 低活性時之去除率則分別下降至 60% 與 10%。 另外,微生物 " 很有可能 " 藉表面吸附作用加以 " 假象 " 去除 CN-。 整理現場資料得知:Phenol 對微生物而言,是 屬相當容易分解之有機基質,其去除率高於 95% 以上;出流水 COD 值與煉焦廢水 SCN- 去 除率有非常密切地關係。 |
英文摘要 | The goal of this research was to evaluate the effect of the COD, SCN-, CN-boidegration of coke wastewater in activated sludge system at various F/M, SCN-adding concentrations、activated sludge types with batch-type electrolytic respiration meter by measuring accumulation oxygen uptake and oxygen uptake rate. The experiment al results show that (1) F/M belows 0.4, microorganisms can quickly proceed oxygen uptake, and oxygen uptake rate of microorganisms is proportional to COD degradation of wastewater; (2) As SCN-adding concentration from 0ppm to 400ppm, COD、SCN- degradation of wastewater is decreased from 75% down to 60% and from 98% down to 50%, respectively; (3) In high activity of microorganisms, COD、SCN- degradation is respect to 75% and 98%; inversely, in low activity, is decreased to 60% and 10%; (4) Microorganisms is propably removed CN-by surface adsorption instead of bio-oxidation decomposition; (5) the field data shows that as SCN- degradation belows 75%, the effluent COD value is increased quickly; (6) SCN- monitoring technology offers an important method for controlling the performance of activated sludge process. |
本系統中英文摘要資訊取自各篇刊載內容。