頁籤選單縮合
| 題 名 | In Situ Oxidative Degradation of Methyl Red via Electrogenerated Anodic Br[fed2]/Br[feaf]and Cathodic O[feaf]/H[feaf]O[feaf] Redox Mediator=經由Br[fed2]/Br[feaf]與O[feaf]/H[feaf]O[feaf]氧化還原媒子同時間接電分解甲基紅 |
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| 作 者 | 蔡明瞭; 陳儷方; 周澤川; | 書刊名 | Journal of the Chinese Institute of Chemical Engineers |
| 卷 期 | 33:4 2002.07[民91.07] |
| 頁 次 | 頁415-421 |
| 分類號 | 468.2 |
| 關鍵詞 | 氧化還原媒子; 甲基紅; 未隔離式電解槽; Degradation; Undivided cell; Methyl red; Redox mediator; |
| 語 文 | 英文(English) |
| 中文摘要 | 本研究是於一未隔離式電解槽中,藉由Br-/Br2與O2/H2O2氧化原媒子之間接催化分解甲基紅之單一與組對電化學反應。探討甲基紅濃度、電解質種類、電解質濃度、陽極鮮流密度、電極材料、陰極電流密度與陰極室氧氣流量等因素對甲基紅電分解的影響。實驗結果証實影響間接電分解甲基紅速率之主要因素有甲基紅濃度、電解質種類、電流密度。電極材料、溴化鈉濃度及氧氣流量影響較小。此系統之最佳操作條件為:40ppm甲基紅,2.0M NaBr,陽極電流密度3.38mA.cm-2,陰極電流密度2.96mA.cm-2,氧氣流量為50ml.min-1,使用石墨為陰陽電極。 |
| 英文摘要 | In an undivided cell, the degradation of methyl red via indirect single and paired electrolysis in the presence of bromide and hydrogen peroxide redox mediators was explored. The factors that affected the degradation rate of methyl red are discussed, including the concentration of methyl red, the kind of electrolyte, the concentration of sodium bromide, the anodic current density, the material of electrode, the cathodic current density and the flow rate of oxygen at the catholyte. The results revealed that the major factors were the concentration of methyl red, the kind of electrolyte and the current density, and that the minor factors were the concentration of NaBr, the type of electrolysis, the flow rate of oxygen and the cathode material. The optimum operating conditions of this system were found to be 40 ppm methyl red, 2.0 M NaBr, 3.38 mA.Cm-2 anode current density, 2.96 mA.Cm-2 cathode current density, 50 ml.min-1 O2, and graphite used in working and counter electrodes. |
本系統中英文摘要資訊取自各篇刊載內容。