Sludge Treatment by Supercritical Water Oxidation and the Optimization of Operational Conditions
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The overall objective of this study was to investigate the performance of the supercritical water oxidation (SCWO) technology for the treatment of wastewater sludge, and investigate the degradation of p-tert-butylcatechol (TBC) which is a recalcitrant organic compound. The first phase of the study focused on the optimization of the thickening process that precedes SCWO, and investigated the impact of sludge temperature (10 oC -100 oC) on the optimum polymer dose and conditioning of wastewater sludge. In the second phase, SCWO treatment of sludge was investigated under a range of operational conditions including sludge solids content (2-12 %), TBC concentration (0.1-1 %), reactor temperature (400-550 oC), reactor pressure (18-28 MPa), oxygen excess (n=1-8) and residence time (1-30 minutes). The results showed that SCWO is a very effective process for sludge treatment and degradation of recalcitrant organic compounds in sludge.
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Copyright © 2017 the author(s). Theses may be used for non-commercial research, educational, or related academic purposes only. Such uses include personal study, research, scholarship, and teaching. Theses may only be shared by linking to Carleton University Institutional Repository and no part may be used without proper attribution to the author. No part may be used for commercial purposes directly or indirectly via a for-profit platform; no adaptation or derivative works are permitted without consent from the copyright owner.
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- 2017
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yan-sludgetreatmentbysupercriticalwateroxidation.pdf | 2023-05-05 | Public | Download |