Comparative Removal of Toxic Pollutants by Six Wastewater Treatment Processes
Five pilot-scale wastewater treatment processes that provided less than secondary treatment-primary clarification plus filtration, chemical clarification, high-rate trickling filter, aerated lagoon, and facultative lagoon-were evaluated for removal of priority pollutants from municipal wastewater. A...
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| Veröffentlicht in: | Journal - Water Pollution Control Federation 1986-01, Vol.58 (1), p.27-34 |
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| container_end_page | 34 |
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| container_title | Journal - Water Pollution Control Federation |
| container_volume | 58 |
| creator | Hannah, Sidney A. Austern, Barry M. Eralp, Atal E. Wise, Robert H. |
| description | Five pilot-scale wastewater treatment processes that provided less than secondary treatment-primary clarification plus filtration, chemical clarification, high-rate trickling filter, aerated lagoon, and facultative lagoon-were evaluated for removal of priority pollutants from municipal wastewater. A conventional activated sludge system was operated in parallel as a control. Wastewater feed was spiked with 21 organics dissolved in toluene. Removal of ambient concentrations of five metals was also evaluated. The control typically removed 80 to 90% of volatiles and 85 to 95% of semivolatiles. The facultative lagoon was the best alternative process, followed by the aerated lagoon. Removals of a specific toxic pollutant depended on the properties of the chemical and its interactions with removal mechanisms used in each treatment process. |
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A conventional activated sludge system was operated in parallel as a control. Wastewater feed was spiked with 21 organics dissolved in toluene. Removal of ambient concentrations of five metals was also evaluated. The control typically removed 80 to 90% of volatiles and 85 to 95% of semivolatiles. The facultative lagoon was the best alternative process, followed by the aerated lagoon. 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A conventional activated sludge system was operated in parallel as a control. Wastewater feed was spiked with 21 organics dissolved in toluene. Removal of ambient concentrations of five metals was also evaluated. The control typically removed 80 to 90% of volatiles and 85 to 95% of semivolatiles. The facultative lagoon was the best alternative process, followed by the aerated lagoon. Removals of a specific toxic pollutant depended on the properties of the chemical and its interactions with removal mechanisms used in each treatment process.</abstract><cop>Washington, DC</cop><pub>Water Pollution Control Federation</pub><tpages>8</tpages></addata></record> |
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| ispartof | Journal - Water Pollution Control Federation, 1986-01, Vol.58 (1), p.27-34 |
| issn | 0043-1303 2327-7467 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_14481721 |
| source | Jstor Complete Legacy |
| subjects | Activated sludge Applied sciences Chemical hazards Chemical oxygen demand Environmental agencies Exact sciences and technology Focus on: Toxic Chemicals General purification processes Lagoons Organic pollution Pollution Sludge Wastewater Wastewater treatment Wastewaters Water pollution Water treatment and pollution |
| title | Comparative Removal of Toxic Pollutants by Six Wastewater Treatment Processes |
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