NQA
European Commission project  for your
afm logo of dryden aqua active filter media

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Environmental & sustainable water treatment to save the planet
Trade marked and Patented
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Large seawater lagoons and lido systems now possible with the minimum of filtration when ACO, NoPhos and APF products are used to treat the water.   Perfotmance factor of public swimming pool systems reduced to less than 2 giving an 80% to 90% reduction in chlorine consumption.
Index to effluent effluent

Tertiary Treatment of Sewage Effluent

& industrial waste water

Scematics 
General system schematicsgo to system schematics
Title of ReportDownload the Report
Sustainable Water Treatmentdownload
Cost benefit performance of AFM® download
Tertiary treatment of sewage effluent by AFM® download
Powerpoint presentationdownload
Tertiary treatment of sewerage effluent, comparison between sand and AFM® filtration.
download
AFM® Active Filter media, Water & Wastewater Treatment
download
download copy from journal
Toxic chemicals in sewage effluent  List 1 & List 2download
Moving bed sand filter compared against a simple pressure filter with AFM® , trial operated in sewage effluentdownload
EEC water quality directivesdownload
Integrated Pollution Management reportIPN report on AFM®

 

Some back-ground
Our first installation was on a small sewerage works close to Edinburgh, since installation of the AFM® filer almost 5 years past, the sewerage works has never failed its discharge consent.  Data from Scottish Water   athelstainford phase 1
Trials data
Up to 12 trials on different sewage works conducted by 3 water companies have been completed.  Each trial will last for a period of 3 months,  during which period of time a wide range of water quality parameters will be monitored.  Details of the results will appear in the  trials result section of this web site 
Sewage effluent filtered to a high level and the reused for irrigation.
report
Tertiary treatment f sewage effluent. Full scale system started 1997
phase 1
Tertiary treatment of sewage effluent, full report to be published 1/4/04
Site A
Tertiary treatment of sewage effluent, full report to be published 1/4/04
Site B
Tertiary treatment of sewage effluent, full report to be published 1/4/04
Site F
AFM® used in the treatment of landfill leachate water
COD & NH4 | report
Trial completed and full scale system being installed for a multinational company
Industrial site