Water purifier, SEM

Water purifier, SEM

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Credit: STEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY

Caption: Water purifier. Scanning electron micrograph (SEM) of the components of a commercial household water filter. Activated charcoal (yellow) filter mixed in with ion-exchange resin beads (blue). The activated carbon filter eliminates bad odor and the taste of halogen compounds that chlorine makes when present in tap water. The exchange ion resin lowers the concentration of calcium carbonates, accordingly softening tap water. Magnification x 26 at 10cm wide.

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Keywords: charcoal., coloured, domestic items, false-coloured, filtration, household goods, household object, ion exchange resin beads, item, porous, purifier, scanning electron micrograph, sem, water purification filter

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