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題 名 | Copper Adsorption by Mn Oxide-Coated GAC=利用氧化錳覆膜活性碳吸附水中銅離子 |
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作 者 | 范煥榮; | 書刊名 | 弘光學報 |
卷 期 | 34 1999.10[民88.10] |
頁 次 | 頁365-386 |
分類號 | 445.463 |
關鍵詞 | 氧化錳覆膜活性碳; 氧化錳; 粒狀活性碳; 吸附; 銅; Freundlich等溫吸附式; Mn oxide-coated GAC; Mn oxides; Granular activated carbon; Adsorption; Copper; Freundlich isotherm; |
語 文 | 英文(English) |
中文摘要 | 氧化錳覆膜能有效增加活性碳吸附水中銅離子的能力。本研究利用三種不同活性 碳 (WVB,APC 和 TOG) 和三種不同氧化錳鹽 (硝酸錳鹽、硫酸錳鹽和氯酸鹽 ) 來配製九種 不同氧化錳覆膜活性碳 (Mn oxide coated GAC)。研究中發現活性碳的種類和不同之錳鹽都 會影響氧化錳覆膜的效率:一般來說氧化錳覆膜效率的順序如下: 氯酸錳鹽 > 硝酸錳鹽 > 硫酸錳鹽和 APC>WVVB>TOG。本研究中顯示 MnWVB 對銅的吸附能力比 MnAPC 和 MnTOG 高, 而且氧化錳活性碳對銅吸附能力和氧化錳覆膜量並沒有正比的關係。此一現象顯示銅之吸附 不僅和氧化錳有關同時相活性碳也有關係。 從重覆吸附 / 脫附試驗中顯示,MnGAC 可以被 再生重覆使用至少六次以上。 |
英文摘要 | Nine composite adsorbents or coated GACs ( MnGACs ) were prepared by using three GACs (WVB, APC, TOG) and three manganese salts (manganese nitrate (N), manganese sulfate (S), and manganese chloride (C) ). Both the type of Mn salt and the type of GAC influenced the amount of Mn oxide coatings. In general, the sequences of the amount of coatings were manganese chloride > manganese nitrate > manganese sulfate and APC > WVB > TOG. Cu (II) adsorption capacities of these coated carbons were improved by applied Mn oxide coatings. In general,Mn WVB had better Cu (II) adsorption capacities than did MnAPC or MnTOG. However, these results are not in agreement with the amount of Mn coatings on these GACs. From multiple adsorption/regeneration cycle tests, MnGAC can be regenerated and reused through at least six cycles. |
本系統中英文摘要資訊取自各篇刊載內容。