Water treatment plant. Membrane filters (yellow columns) at a water treatment plant. During this stage of water treatment,known as microfiltration,water is passed through a system of fine membranes. This method removes small organisms,which may be parasitic or toxic when ingested by humans,without using pollutant chemicals. Photographed in Etrembieres,Annemasse,France,in 2007 | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Look At Sciences / Actophoto |
Bildgröße: | 2499 px × 3750 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: |
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