Waste water treatment. View of waste water entering a pool at water treatment plant. The water is undergoing a preliminary flotation separation process. Detergent foam (lower centre) floats on the surface of the water. This allows the waste water to be drained off and treated separately. Photographed in England | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Tek Image |
Bildgröße: | 4264 px × 4191 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |