Abstract
The effects of a fast freeze/thaw treatment (with freezing speed about 40 mm/h) on activated sludge dewaterability were demonstrated by conducting drying, centrifugal settling, and vacuum filtration tests. After a freeze/thaw treatment, the BOD and COD values of the sludge supernatant were found to raise significantly, the moisture movement resistance and the bound water content of the sludge cake both decreased, the floc volume and sludge compressibility were reduced, and the sludge filterability was improved greatly. The fractal dimension of the original and frozen sludges was measured via the size density relationship. A simple structural interpretation based on fractal geometry was proposed to explain the experimental findings. © 1994, American Chemical Society. All rights reserved.
| Original language | English |
|---|---|
| Pages (from-to) | 1444-1449 |
| Journal | Environmental Science and Technology |
| Volume | 28 |
| Issue number | 8 |
| DOIs | |
| Publication status | Published - 1 Aug 1994 |
| Externally published | Yes |
Bibliographical note
Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 6 Clean Water and Sanitation
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