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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Samiotis, Georgios Bellos, Dimitrios Pekridis, George Amanatidou, Elisavet Trikoilidou, Eleni |
| Description | Author Affiliation: Amanatidou E ( Laboratory of Environmental Chemistry and Wastewater Treatment, Department of Environmental Engineering and Pollution Control, Technological Education Institution of Western Macedonia, Greece. Electronic address: eamanatidou@teikoz.gr.); Samiotis G ( Laboratory of Environmental Chemistry and Wastewater Treatment, Department of Environmental Engineering and Pollution Control, Technological Education Institution of Western Macedonia, Greece. Electronic address: waterlab2@teikoz.gr.); Bellos D ( Laboratory of Environmental Chemistry and Wastewater Treatment, Department of Environmental Engineering and Pollution Control, Technological Education Institution of Western Macedonia, Greece. Electronic address: waterlab@teikoz.gr.); Pekridis G ( Laboratory of Environmental Chemistry and Wastewater Treatment, Department of Environmental Engineering and Pollution Control, Technological Education Institution of Western Macedonia, Greece. Electronic address: envchem3@teikoz.gr.); Trikoilidou E ( Laboratory of Environmental Chemistry and Wastewater Treatment, Department of Environmental Engineering and Pollution Control, Technological Education Institution of Western Macedonia, Greece. Electronic address: waterlab3@teikoz.gr.) |
| Abstract | The effect of complete solids retention on net biomass production, at a slaughterhouse's activated sludge wastewater treatment process, was studied for 425 days. The process reached equilibrium after 150 days. In equilibrium phase, and until the end of the study, relative constant MLVSS to MLSS ratio, low food to microorganisms ratio (F/M), low substrate utilization rate (SUR) and negligible observed sludge yield (Y obs) were measured. Y obs fluctuated between positive and negative values (± 0.03 gVSS gCOD(-1)), tending zero mean values, and leading to the conclusion that zero net sludge growth can be achieved. The high BOD ultimate/COD ratio and the zero sludge accumulation, leads to the conclusion that all fractions of organic matter, including cell debris, are biodegradable. The results were verified by comparing the measured Y obs values and those predicted using a conventional activated sludge model (ASM) and a modified ASM that incorporates the slow hydrolysis concept of the unbiodegradable compounds. |
| ISSN | 09608524 |
| Volume Number | 182 |
| e-ISSN | 18732976 |
| Journal | Bioresource Technology |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2015-04-01 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Abattoirs Sewage Waste Disposal, Fluid Methods Biological Oxygen Demand Analysis Biomass Models, Theoretical Analysis Chemistry Time Factors Instrumentation Journal Article Discipline Bioresource |
| Content Type | Text |
| Resource Type | Article |
| Subject | Waste Management and Disposal Medicine Environmental Engineering Renewable Energy, Sustainability and the Environment Bioengineering |
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