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Water Engineering and Development Centre
Please note: You will need to log in to your My WEDC account to download graphics – please sign up here if you don't already have an account.
Below are the graphics for WEDC Graphics: Filters
Please click on the download link below your selected graphic to download it.
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Basic flow diagram for conventional treatments | Ceramic candle filters v1 | Ceramic candle filters v2 | ||
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Ceramic candle filters v3 | Details of intake dynamic and roughing filters | Gravel filter copy | ||
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Horizontal flow filters | Infiltration gallery | Methods of filtering polluted water from an open reservoir | ||
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Oxidation ditch | Percolating filter | Perspective views of sections through roughing filters | ||
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Raked screen copy | Rapid gravity filter | Rotating biological contactor | ||
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Schematic of a slow sand filter | Simple sand filter - part section | Simple sand filter - section | ||
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Slow sand filter | Slow sand filter with flow control | Typical wash-out arrangement | ||
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Unicef sand filter | Vigourous shaking to aerate water in a jerrycan - colour |
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