Water purifier. Coloured scanning electron micrograph (SEM) of coconut shell charcoal from a water purification filter. The charcoal removes odours and gases from water passed through it. The rest of the purification unit (not seen) consists of an ion-exchange resin to remove ions such as metals,chlorides and sulphates,and a ceramic housing to filter out solid material. Magnification: x1340 at 6x7cm size | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Power And Syred |
Taille de l’image : | 3500 px × 2433 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |