Please use this identifier to cite or link to this item: http://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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