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| 題 名 | Gel-Point Solids Fractions of Centrifugated Flocculated Sludge=離心調理污泥之膠點固體分率 |
|---|---|
| 作 者 | 朱敬平; 李篤中; | 書刊名 | Journal of the Chinese Institute of Chemical Engineers |
| 卷 期 | 34:3 2003.05[民92.05] |
| 頁 次 | 頁373-380 |
| 分類號 | 445.463 |
| 關鍵詞 | 污泥; 膠點; 離心法; Gel-point; Centrifugal; Gravitational; Visco-elastic; Operationally defined value; |
| 語 文 | 英文(English) |
| 中文摘要 | 本文以原始或調理廢棄活性污泥在離心測試中之應力固含量關係為對象估算膠點固含量。離心污泥高度於離心力移除後會"反彈",因此過濾模型中重要參數之膠點固含量實際上為一隨測量方式而改變之參數。由於泥餅中具有殘存應力及其結構在離心力下會不斷被破壞,使得以離心法測量膠點固含量會產生極大誤差。 |
| 英文摘要 | This work estimated the gel-point solids fraction of the waste activated sludge sediments, original or flocculated, based on the stress-solids fraction relationship extracted from centrifugal tests in literature. The sediment equilibrated with centrifugal force would “rebound” n height after it was removed from the centrifuge. Therefore, the gel-point solids fraction, an essential parameter in filtration modeling works, is demonstrated as an operationally defined value that varies with the testing procedure. The use of the conventional centrifugal settling method to estimate the gel-point solids fraction could be erroneous owing to the residual elasticity of sediment and the continuous deterioration of network structure during centrifugation. |
本系統中英文摘要資訊取自各篇刊載內容。