Treatment of wastewaters from manufactured gas plants
Concentrated wastewaters from a gasworks were treated by the addition of formaldehyde which condensed the phenol at an optimal temperature of 60C. The complex was settled after adjustment of the pH to 10.5 with a lime solution. The pH was then raised to 10.5-11.2 and ammonia removed by air stripping...
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| Veröffentlicht in: | Land contamination & reclamation 1995-01, Vol.3 (4), p.2-3-2-5 |
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| container_title | Land contamination & reclamation |
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| creator | Cocheci, V Bogatu, C Radovan, C |
| description | Concentrated wastewaters from a gasworks were treated by the addition of formaldehyde which condensed the phenol at an optimal temperature of 60C. The complex was settled after adjustment of the pH to 10.5 with a lime solution. The pH was then raised to 10.5-11.2 and ammonia removed by air stripping. The effluent from this process was then diluted 5 times and treated with activated sludge. Electrocoagulation and electrochemical oxidation or chemical oxidation with sodium hypochlorite, followed. The whole process reduced the COD from 84,000 to 112-150 mg per litre. |
| format | Article |
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| identifier | ISSN: 0967-0513 |
| ispartof | Land contamination & reclamation, 1995-01, Vol.3 (4), p.2-3-2-5 |
| issn | 0967-0513 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_29932772 |
| source | EZB-FREE-00999 freely available EZB journals; Alma/SFX Local Collection |
| title | Treatment of wastewaters from manufactured gas plants |
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