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題名 | 電解氧化法去除飲用水源中有機物影響因子之研究 |
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作者 | 陳鴻烈; 鄭慧玲; | 書刊名 | 農林學報 |
卷期 | 44:4 1995.12[民84.12] |
頁次 | 頁57-69 |
分類號 | 445.462 |
關鍵詞 | 電解氧化; 飲用水源; 有機污染物; 電位; 電流密度; Electrochemical oxidation; Drinking water supply; Trace organics; Potential; Current density; |
語文 | 中文(Chinese) |
中文摘要 | 本研究分別以批次實驗探討各個因子對電解氧化法去除豐原淨水廠水源中微量有 機物之影響。 在本研究範圍中,發現最佳電位落於 5.0 ∼ 6.0 伏特,24 小時的操作時間 可使水中有機物礦化達 84 %左右。至於水中有機物的電解反應速率則隨電流密度之增加而 加大,當電流密度控制在 0.6mA/cm �揹氶A24 小時的 TOC 去除率約為 71 %。在電解時間 效應方面, 發現有機物電解氧化速率-開始隨時間增長而迅速增加,其後則漸趨平緩。 pH 值的影響方面,結果顯示在未加藥調整之原水 pH 值( = 7.7 )狀況下對 TOC 有最佳的去 除率。此外,亦發現高溫、較大的電極間距、攪拌等均有利於有機物電解氧化反應的進行。 |
英文摘要 | The objective of this research was to examine the removal of trace organics in drinking water supply from Feng Yuan waterworks by electrochemical oxidation. The influence of every factor was performed in the electrolysis by batch experiments. The results were as follows. The controlled-potential of 5.0 and 6.0 voltages, a maximum TOC destruction of about 84% was achieved after 24h of electrolysis. The removal of organics was the significant enhancement in the rate with increasing current density. At 0.6mA/cm �� current density, a maximum TOC conversion of 71% was achieved after 24h. The oxidation profiles reveal a rapid removal of TOC at the beginning of experimental runs, followed by a more gradual removal of organic compounds at longer times. At pH 7.7 of raw water, optimized destruction of organics was enhanced. Besides, Increasing temperature, electrode distance, and mixing speed all caused a increase in the observed percent TOC destruction. |
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