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https://scholarbank.nus.edu.sg/handle/10635/66708
| Title: | Novel cake characteristics of waste-activated sludge | Authors: | Wu, R.M. Lee, D.J. Wang, C.H. Chen, J.P. Tan, R.B.H. |
Keywords: | Compression-permeability cell Porosity Specific resistance Yield stress |
Issue Date: | 2001 | Citation: | Wu, R.M., Lee, D.J., Wang, C.H., Chen, J.P., Tan, R.B.H. (2001). Novel cake characteristics of waste-activated sludge. Water Research 35 (5) : 1358-1362. ScholarBank@NUS Repository. | Abstract: | Breaking down the time limit constraints for conventional compression-permeation (C-P) cell test, this work has, for the first time, experimentally evaluated the cake characteristics of viable waste-activated sludge subject to polyelectrolyte flocculation and to freeze/thaw treatment under a pressure range of 25-200kPa. There exists a threshold pressure exceeding which the cake structure would significantly deteriorate. Also, the present biological sludge is a 'super-compactible' sludge, whose compactibility is greater than most data ever reported in open literature. The information presented herein has implications to filter design/operation and can be used as a reference data set for examining the existing filtration theories. Copyright © 2001 Elsevier Science Ltd. | Source Title: | Water Research | URI: | http://scholarbank.nus.edu.sg/handle/10635/66708 | ISSN: | 00431354 |
| Appears in Collections: | Staff Publications |
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