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題 名 | Box-Behnken Studies on Dye Removal from Water Using Chitosan and Activated Carbon Adsorbents=Box-Behnken實驗設計法應用於幾丁聚醣及活性碳吸附去除染料之研究 |
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作 者 | 李篤中; 莊瑞鑫; | 書刊名 | Journal of the Chinese Institute of Chemical Engineers |
卷 期 | 31:6 2000.11[民89.11] |
頁 次 | 頁609-615 |
分類號 | 460.025 |
關鍵詞 | 幾丁聚醣; 活性碳; 吸附; 染料; Box-behnken method; Experimental design; Dye adsorption; Chitosan; Activated carbon; |
語 文 | 英文(English) |
中文摘要 | 本文分別利用幾丁聚醣及活性碳兩種吸附劑,改變影響最大的三個因素包括吸附劑粒徑、操作溫度及pH值下,測定並比較其吸附報除Rhodamine 6G染料之效率(吸附百分比)。配合使用實驗設計法之應答區面法(亦即Box-Behnken法),上述每個因素各選擇三個條件,經由二階二次多項式加以迴歸最適化後,可得知因素的影響程度及相互效應。統計分析結果顯示,此種迴歸模式有不錯的吻合性,針對幾丁聚醣及活性碳吸附劑,其R2值(Correlation coefficient)高幸0.9704及0.9989,至於F值(Fisher’s F test)則分別為25.5及719.9。最後,本文亦確定各因素對吸附Rhodamine 6G之重要性,此外並討論了其最佳的操作條件。 |
英文摘要 | The percentages of adsorption of Rhodamine 6G from water using both chitosan and activated carbon adsorbents at three particle sizes (0.5, 0.75, and 1.0 mm), temperatures (30, 45, and 60°C), and initial pH values (7, 8, and 9) were compared. The Box-Behnken design was applied in a second-degree quadratic polynomial regression model to test the effects and interactions of the variables using three-factorial experimental designs. The statistical analysis revealed that the second-degree quadratic model gave a good fit with an R2-value of 0.9704 and 0.9989, and an F-value of 25.5 and 719.9 with chitosan and activated carbon, respectively. The significance for each variable on the adsorption of dye Rhodamine 6G was identified, and the optimal conditions for dye removal were obtained. |
本系統中英文摘要資訊取自各篇刊載內容。