頁籤選單縮合
題 名 | 玫瑰紅染料廢水利用Fenton及Photo-Fenton程序脫色處理之研究=Decolorization of Rhodamine Dyeing Wastewater by Fenton and Photo-Fenton Processes |
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作 者 | 馬英石; 曹佳茹; | 書刊名 | 健康管理學刊 |
卷 期 | 10:1 2012.06[民101.06] |
頁 次 | 頁46-56 |
分類號 | 445.2593 |
關鍵詞 | Fenton程序; photo-Fenton程序; 玫瑰紅染料; 脫色; 協和效應; Fenton process; Photo-Fenton process; Rhodamine B; Decolorization; Synergetic effect; |
語 文 | 中文(Chinese) |
中文摘要 | 玫瑰紅是一種具有毒性之化學物質,若未經處理排放於環境中將可能造成對人體健康的傷害,因此,本研究利用Fenton及photo-Fenton程序針對玫瑰紅染料廢水進行脫色反應,並探討不同Fe(上标 2+)及H2O2加入量、pH及反應溫度對於脫色效果之影響。實驗初始之染料濃度為20 mg/L,pH值為3-7,反應溫度為15-50℃,H2O2 加入量為0-90 mg/L,Fe(上标 2+)加入量為0-12 mg/L,反應中並針對pH及ORP(oxidation reduction potential)進行量測,並分別於不同時間點進行取樣,分析玫瑰紅染料之吸光度並換算為濃度與去除率。實驗結果發現,水樣之初始pH越低,玫瑰紅脫色效率越佳,在pH 3之條件下最佳可達98.7%,而反應溫度之高低對於脫色效率之影響並不明顯,反應溫度在15~50℃間,脫色效率介於71.8%-83.0%,同時以30℃時具有最佳之處理效果。若在初始pH 5.5之條件下,當H2O2為30 mg/L,Fe(上标 2+)量為0、4、8、12 mg/L時,染料之脫色率分別為4.8%、73.2%、79.3%及 67.4%,顯示較高之Fe(上标 2+)加入量可提升脫色效果,但Fe(上标 2+)12 mg/L的條件下染料脫色率反而降低;H2O2 90 mg/L時,玫瑰紅在不同Fe(上标 2+)加入量之脫色率分別為4.2%、76.2%、71.5%及69.0%,與H2O2 30 mg/L之結果相似,顯示H2O2的過量增加並無法提升染料之脫色率。依據脫色反應所呈現之趨勢比較Fenton及photo-Fenton程序分解玫瑰紅之效率發現,UV光和Fenton試劑結合時所產生之協和效應確實可以提升處理效果,但在較高濃度之Fenton試劑加入條件下,協和效應即不顯著。 |
英文摘要 | Rhodamine B is a well-known toxic chemicals used in dyeing industries. If the Rhodamine Bcontainedwastewater is un-treated and passed through to the environment, it will cause the harmful effect to the human beings. Therefore, this study carried out the Fenton and photo-Fenton processes in the decolorization of Rhodamine B wastewater and investigated the effect of Fe(superscript 2+), H2O2dosages, pH and temperatures on the efficiency of Rhodamine B decolorization. Experiments were designed at 20 mg/L of Rhodamine B, pH 3-7, reaction temperatures of 15-50℃, H2O2of 0-90 mg/L and Fe(superscript 2+) of 0-12 mg/L; during the reaction, pH and ORP (oxidation reduction potential) were monitoring. Experimental results indicated that lower pH levelsare profitable to the enhancement of Rhodamine B decolorization. At pH 3, the maximum decolorization efficiency was as high as 98.7%. Effect of reaction temperatures on the decolorization was insignificant, where the decolorization efficiencies were ranging from 71.8%-83.0% at temperatures of 15~50℃. At pH 5.5, it was found that the decolorization of Rhodamine B were 4.8%, 73.2%, 79.3 and 67.4%, respectively, while 30 mg/L of H2O2and 0, 4, 8 and 12 mg/L of Fe(superscript 2+) were dosing into the solution. Since the H2O2dosage was increased to 90 mg/L, decolorization of Rhodamine B at different Fe(superscript 2+) dosages were 4.2%, 76.2%, 71.5% and 69.0%, which indicated that additional H2O2and Fe(superscript 2+) dosages were worthless for the photo-Fenton decolorization system. Comparing the results of Rhodamine B decolorization by Fenton and photo-Fenton process, the synergetic effect by UV and Fenton reagent was useful to enhance the decolorization efficiency; however, thissynergetic effect was insignificant at higher Fenton's reagent dosages. |
本系統中英文摘要資訊取自各篇刊載內容。