Lenntech Water treatment & purification Lenntech Water treatment & purification

Activated carbon filters

Depending on the type of water, suspended solids concentration, oil and grease, COD, BOD and pesticides contents, activated carbon filters are sized differently, but the basic design data to clarify natural waters is the following:
Filtration velocity 2-8 m3/h.m2
Contact time 10 -30 minutes
Diameter 50 cm to 3m
Filtration area 0,2 to 7 m2
Flowrates 10L/h 100 m3/h
Pressure ratings 4 to10 bar
Vessel Materials Epoxy-coated steel
Polyester composite
Stainless steel (on request)
Bed depth 1 meter min.
Filtration media GAC
Pesticide removal
COD removal
Top manhole 2 1/2 to 6" DN 400
Accessories 5-ball or butterfly valves 5-butterfly valves
Options Manometers, degaser, flowmeter
Control Automatic or manual backwash, on timer and.or differential pressure

More on activated carbon

For pesticide removal only at averal occurence at ppb levels, lifetime of an activated carbon bed can be up to 10 years. For natural organic matter or oil and grease, bed renewal can vary from few weeks to few years.

Please send us your water analysis.

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