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題名 | 純氣曝氣於煉焦廢水活性污泥處理法之應用=Application of Pure Oxygen Aeration System on the Treatment of Coke Ovens Wastewater |
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作 者 | 林明權; | 書刊名 | 技術與訓練 |
卷期 | 23:6=193 1998.12[民87.12] |
頁次 | 頁156-164 |
分類號 | 445.463 |
關鍵詞 | 煉焦廢水; 活性污泥; 表面曝氣; 純氣曝氣; Coke waste; Activated sludge; Surface aerator; Oxygen aeration; |
語文 | 中文(Chinese) |
中文摘要 | 煉焦廢水由於成份複雜且多為具生物毒性或生物難分解之有機物,故與石油煉製 廢水及製藥廢水並列為三種難處理廢水之一。惟傳統上其處理技術仍以生物處理法為主,其 中活性污泥由於具運轉經濟、效率佳、操作較容易等優點最為廣泛應用。 近年來由於國內污染防治法規及放流水標準日趨嚴格,中鋼公司乃於四階擴建引進純氧曝氣 設備,應用於既有活性污泥之曝氣池,取代傳統之表面曝氣機,藉以增加氧氣供給能力,以 提高廢水處理容量並增加操作穩定度。經過一年來實廠運轉經驗顯示,純氧曝氣設備確實已 有達增加處理水量之預期目標,部分運轉指標亦較原先使用之表面曝氣機為佳。 |
英文摘要 | Coke waste contains appreciable concentrations of pollutants such as phenols, cyanide, thiocyanate, sulfide and ammonia. Since these pollutants are toxic to aquatic system, the coke waste is ranking with refinery and pharmaceutic effluents as one of the most difficult wastewater to be treated. A variety of treatment processes have been considered to purify the coke wastewater, however, only the biological treatment has been shown to be satisfactory and economic. In the phase Ⅵ expansion project of China Steel, the on-site coke ovens will be supplying a new forth Blast Furnace, resulting in an elevated effluent flow from the ovens to the treament plant. The increase of wastewater flow will in turn raise the oxygen requirement of the biological system to a level, which cannot be sustained by the current surface aerators. Hence, a pure oxygen based aeration system has been retrolitted onto the existing effluent treatment plant. Results obtained from the performance test indicated that the new aeration system has exceeded its guaranteed operation with an average oxygen consumption of 1.12kgO��/kg BOD removal and a COD removal rate of 81.1%. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。