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題名 | Characteristics of Micromixing in a Rotating Packed Bed=旋轉填充床中微觀混合特性之探討 |
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作 者 | 陳昱劭; 戴怡德; 張名惠; 劉懷勝; | 書刊名 | Journal of the Chinese Institute of Chemical Engineers |
卷期 | 37:1 民95.01 |
頁次 | 頁63-69 |
分類號 | 460.021 |
關鍵詞 | 旋轉填充床; 微觀混合; Higee; Rotating packed bed; Micromixing; Segregation index; |
語文 | 英文(English) |
中文摘要 | 本研究利用一平行競爭化學反應量測不同半徑旋轉填充床之微觀混合效率,實驗結果顯示,增加填充床轉速與內半徑能夠提升混合效率,而外半徑的變化則對微觀混合無明顯影響。此外,本研究分別以旋轉填充床和旋轉盤為反應器製備氫氧化鎂顆粒,結果顯示在低液體流量下於旋轉盤中可以製備較小的氫氧化鎂顆粒,當液體流量提升時,旋轉填充床中能夠得到較小的顆粒。將旋轉填充床之分離指標與其他混合系統比較,可以發現超重力系統確實具有較佳的微觀混合效率。 |
英文摘要 | A parallel-competing chemical test reaction was performed in a rotating packed bed (RPB) with different radii to evaluate the micromixing efficiency. Experimental results indicated that increasing the rotational speed and the inner radius of the packed bed could intensify micromixing effectively. Increasing the outer radius of the bed had no significant effect on micromixing. In addition, experiments on the synthesis of magnesium hydroxide particles in an RPB and in a spinning disk reactor (SDR) were performed. Although higher micromixing efficiency was achieved and smaller particles were produced at a low liquid flow rate using an SDR, an RPB was a more effective device when the flow rate increased. Comparing with the reported segregation index of other mixing devices, a Higee system is a promising alternative as far as micromixing efficiency is concerned. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。