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Below are the graphics for WEDC Graphics: Filters

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Basic flow diagram for conventional treatments (Artist: Chatterton, Ken)   Ceramic candle filters v1 (Artist: Chatterton, Ken)   Ceramic candle filters v2 (Artist: Chatterton, Ken)

Basic flow diagram for conventional treatments
Artist: Chatterton, Ken
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Ceramic candle filters v1
Artist: Chatterton, Ken
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Ceramic candle filters v2
Artist: Chatterton, Ken
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Ceramic candle filters v3 (Artist: Chatterton, Ken)   Details of intake dynamic and roughing filters (Artist: Chatterton, Ken)   Gravel filter copy (Artist: Chatterton, Ken)

Ceramic candle filters v3
Artist: Chatterton, Ken
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Details of intake dynamic and roughing filters
Artist: Chatterton, Ken
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Gravel filter copy
Artist: Chatterton, Ken
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Horizontal flow filters (Artist: Chatterton, Ken)   Infiltration gallery (Artist: Chatterton, Ken)   Methods of filtering polluted water from an open reservoir (Artist: Chatterton, Ken)

Horizontal flow filters
Artist: Chatterton, Ken
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Infiltration gallery
Artist: Chatterton, Ken
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Methods of filtering polluted water from an open reservoir
Artist: Chatterton, Ken
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Oxidation ditch (Artist: Chatterton, Ken)   Percolating filter (Artist: Chatterton, Ken)   Perspective views of sections through roughing filters (Artist: Chatterton, Ken)

Oxidation ditch
Artist: Chatterton, Ken
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Percolating filter
Artist: Chatterton, Ken
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Perspective views of sections through roughing filters
Artist: Chatterton, Ken
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Raked screen copy (Artist: Chatterton, Ken)   Rapid gravity filter (Artist: Chatterton, Ken)   Rotating biological contactor (Artist: Chatterton, Ken)

Raked screen copy
Artist: Chatterton, Ken
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Rapid gravity filter
Artist: Chatterton, Ken
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Rotating biological contactor
Artist: Chatterton, Ken
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Schematic of a slow sand filter (Artist: Chatterton, Ken)   Simple sand filter - part section (Artist: Chatterton, Ken)   Simple sand filter - section (Artist: Chatterton, Ken)

Schematic of a slow sand filter
Artist: Chatterton, Ken
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Simple sand filter - part section
Artist: Chatterton, Ken
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Simple sand filter - section
Artist: Chatterton, Ken
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Slow sand filter (Artist: Chatterton, Ken)   Slow sand filter with flow control (Artist: Chatterton, Ken)   Typical wash-out arrangement (Artist: Chatterton, Ken)

Slow sand filter
Artist: Chatterton, Ken
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Slow sand filter with flow control
Artist: Chatterton, Ken
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Typical wash-out arrangement
Artist: Chatterton, Ken
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Unicef sand filter (Artist: Chatterton, Ken)   Vigourous shaking to aerate water in a jerrycan - colour (Artist: Chatterton, Ken)   

Unicef sand filter
Artist: Chatterton, Ken
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Vigourous shaking to aerate water in a jerrycan - colour
Artist: Chatterton, Ken
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