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| sludge treatment The processing of wastewater sludges to render them innocuous. This may be done by aerobic or anaerobic digestion followed by drying in sand beds, filtering, and incineration, filtering, and drying, or wet air oxidation; sludge processing; sludge treatment | |||
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slambehandling : 2 phrases in 1 subject |
| Environment | 2 |