The Actiflo method

The Actiflo method is a compact physico-chemical water treatment method. The method has for many years been used in waterworks for the treatment of surface water to produce drinking water, but is now to an increasing extent being used for treating wastewater and combined sewer overflows (CSO). The m...

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Bibliographic Details
Published in:Water science and technology 1998, Vol.37 (1), p.269-275
Main Authors: Plum, Victoria, Dahl, Claus P., Bentsen, Leif, Petersen, Carsten R., Napstjert, Lis, Thomsen, N.B.
Format: Article
Language:English
Subjects:
Actiflo
Applied sciences
Basins
Capacity
Combined sewer overflows
compact treatment unit
CSO
Detention basins
Drinking water
Exact sciences and technology
General purification processes
Heavy metals
Lakes
Lamella
Metals
Methods
phosphorus precipitation
Pilot plants
Pollution
Rain
Removal
Settling
Sewer systems
Surface water
Suspended particulate matter
Suspended solids
Wastewater
Wastewater treatment
Wastewaters
Water treatment
Water treatment and pollution
Water utilities
Waterworks
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Summary:The Actiflo method is a compact physico-chemical water treatment method. The method has for many years been used in waterworks for the treatment of surface water to produce drinking water, but is now to an increasing extent being used for treating wastewater and combined sewer overflows (CSO). The method works as weighted settling combined with lamella settling. Typical treatment efficiency: suspended solids 85%, COD 60%, Kjeldahl N 18% and total P 85%. The method also permits efficient removal of heavy metals. Krüger has a mobile pilot plant with a capacity of 80–120 m3/h in Scandinavia and a similar pilot plant in the USA. As an Actiflo plant can be started up in less than 15 minutes, it has many applications. Several applications may also be combined, e.g. treatment of overflows during rain and treatment of lake water in the recipient nearby in dry weather. As an alternative to detention basins in combined sewer systems the Actiflo method is often a competitive method.
ISSN:0273-1223
1996-9732
DOI:10.1016/S0273-1223(97)00778-6