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| biological sludge | |||
| activated sludge Sludge that has been aerated and subjected to bacterial action; used to speed breakdown of organism matter in raw sewage during secondary waste treatment | |||
| activated sewage | |||
| activated sludge | |||
| biological floc; biosludge | |||
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| activated sludge | |||
| Niemiecki tezaurus | |||
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| Der beim biologischen Abbau entstehende Schlamm | |||
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Belebtschlamm : 9 do fraz, 4 tematyki |
| Budownictwo | 3 |
| Nauki o życiu | 3 |
| Ochrona środowiska | 1 |
| Pospolicie | 2 |