| Combined ultrafiltration and suspended pellets for lead removal | |
|---|---|
| 學年 | 94 |
| 學期 | 1 |
| 出版（發表）日期 | 2005-10-15 |
| 作品名稱 | Combined ultrafiltration and suspended pellets for lead removal |
| 作品名稱（其他語言） | |
| 著者 | 李奇旺; Li, Chi-wang; Liang; Yang-min; Chen, Yi-ming |
| 單位 | 淡江大學水資源及環境工程學系 |
| 出版者 | Elsevier |
| 著錄名稱、卷期、頁數 | Separation and Purification Technology 45(3), pp.213-219 |
| 摘要 | A novel process combining an outside-in ultrafiltration membrane and suspended pellets in a stirred tank reactor for removing lead (Pb) from aqueous solutions was investigated. The incorporation of the membrane avoids breakthrough of fine particulate matter, which can plague conventional fluidized pellet reactors. The Pb removal efficiency increased with increasing solution pH and pellet surface area. At pH 7, increasing the total carbonate-to-lead molar ratio increased lead removal efficiency. However, increasing pH is more effective than increasing total carbonate-to-lead molar ratio for improving treatment efficiency. Using XRD, SEM and EDX, we concluded that the surface of the pellets was approximately 15% covered by Pb3(CO3)2(OH)2 at pH 9.0 after 5 days of operation with a feed containing 50 mg L−1 Pb. |
| 關鍵字 | Ultrafiltration;Lead;Pellet;Crystallization |
| 語言 | en |
| ISSN | 1383-5866 |
| 期刊性質 | 國外 |
| 收錄於 | |
| 產學合作 | |
| 通訊作者 | |
| 審稿制度 | 否 |
| 國別 | GBR |
| 公開徵稿 | |
| 出版型式 | ,紙本 |
| 相關連結 |
機構典藏連結 ( http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/44582 ) |
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