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題 名 | Recovery of Sizing Agent by Gas Sparging Ultrafiltration=以氣體分散式超過濾回收漿料 |
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作 者 | 鄭東文; 潘帥宇; | 書刊名 | Journal of the Chinese Institute of Chemical Engineers |
卷 期 | 32:5 2001.09[民90.09] |
頁 次 | 頁431-436 |
分類號 | 460.024 |
關鍵詞 | 氣體分散式; 超過濾; 回收漿料; Ultrafiltration; Gas sparging; Gas distributor; PVA solution; Recovery; |
語 文 | 英文(English) |
中文摘要 | 本研究主要以實驗操作探討使用多通道薄膜進行聚乙烯醇(PVA)溶液超過濾時,通入氣體及加裝氣體分散器對回收聚乙烯醇之影響。實驗結果顯示當超過濾操作於低液體流速下,氣體之加入可促進其濾速;加裝氣體分散器可增進氣體於溶液中之分散而更進一步促進濾速。在多通道薄膜模組中,氣體能均勻分散於各通道愈形重要。本研究中顯示以通氣超過濾回故聚乙烯醇時, 30μm孔洞之氣體分散器最有助於降低過濾阻力而增加濾速。 |
英文摘要 | Effects of gas introduction and the addition of a gas distributor on ultrafiltration of PYA solution in a multi-channel membrane module were investigated experimentally in this work. Experimental results show that the introduction of gas enhances the permeate flux of ultrafiltration operated at a lower liquid velocity. The addition of a gas distributor can improve the sparging of gas in the liquid stream and further enhance the permeate flux. A well distribution of gas between the channels is important in a multi-channel membrane module. The use of a 30μm pore size gas distributor is effective in reducing the filtration resistance and increasing the penne ate flux of PYA recovery by ultrafiltration. |
本系統中英文摘要資訊取自各篇刊載內容。