Waste water treatment. Waste water in the clarification stage of treatment at a sewage works. During this stage,aerated effluent traverses slowly across the perimeter of large tank. The bacterial sludge contained in the effluent settles to the bottom of the tank and is returned to the aeration stage of treatment | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Burgess, Dr. Jeremy |
Bildgröße: | 5329 px × 3544 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |