File:Slow sand filter room.jpg
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Summary
| Description |
English: Slow sand filter room at a water purification plant. The raw water is let slowly from the pipe on the right. The water will pass through the sand layers down to the bottom of this room. The top sand layer can be observed in this picture. |
| Date | |
| Source | Own work |
| Author | Z22 |
Reference: Water filtration plant history
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 17:45, 6 July 2014 | | 2,581 × 1,936 (2.8 MB) | Z22 | User created page with UploadWizard |
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