Development of adsorbent from waste materials for air pollution control
This work involves studies on how to convert sewage sludge, a waste material generated in sewage treatment processes, into an adsorbent for odorous gas removal. The basic method of adsorbent preparation is by pyrolysis in nitrogen gas. Effects of heating temperature and residence time are investigat...
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| Format: | Theses and Dissertations |
| Language: | English |
| Published: |
2009
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| Online Access: | http://hdl.handle.net/10356/19875 |
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| Institution: | Nanyang Technological University |
| Language: | English |
| Summary: | This work involves studies on how to convert sewage sludge, a waste material generated in sewage treatment processes, into an adsorbent for odorous gas removal. The basic method of adsorbent preparation is by pyrolysis in nitrogen gas. Effects of heating temperature and residence time are investigated. Treatments such as drying in air at low temperature and soaking in chemicals (zinc chloride and sulfuric acid) prior to pyrolysis are attempted. Other factors such as heating rate, gas pressure and flow rate are kept constant. |
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