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.
Application
Clients
Performance
Drinking Water
  • Scottish Water
  • Suffolk & Essex Water
  • Many international companies
  • AFM is certified for drinking water
  • more information
AFM will remove at least 30% more solids from the water than can be achieved using sand. Protection against oocysts,  80% reduction of THMs, 50% better performance for the removal of iron and manganese, 30% reduction in operating costs.

rgf filters

Presentation

Swimming Pools
  • Leisuredrome, public swimming pool
  • Marriott Hotel group
  • David Lloyd Health Centres
  • Garratts International Leisure Complex
  • over 100 installation worldwide
  • more information
We can now eliminate most of the chlorine reaction products and reduce chlorine consumption by 80% to 95% in most public pools in the UK.  Capital cost of the Dryden system will usually be recovered out of revenue savings in under 12 months.

Presentation

Aquariums and aquatic parks
  • Istanbul Aquarium
  • Lisbon Aquarium
  • The Scientific Centre of Kuwait
  •  Burj Al Arab
  • more information

Using AFM in you sand filters will dramatically improve the water quality and clarity.  The turbidity will probably be reduced by 50% and visibility doubled.  50% less back-wash water will be used,  we can even recycle this water to minimise the loss of salt from the system

|reports | schematics | case studies |

a nice fish
Presentation
Tertiary treatment of sewage effluent
  • Thames Water
  • Scottish Water
  • United Utilities
  • Northumbria Water
  • South West Water
  • Anglian Water
  • more than 50 system world-wide
  • more information
AFM when used in a simple pressure or rapid gravity filter will give a much better performance than any sand filter when used for effluent treatment. AFM will remove at least 50% more waste from the water than a sand. A simple AFM filter will also perform better than and moving bed sand filter and is around 1/10th of the cost.
|reports | schematics | case studies |
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Presentation
Waste Water & grey water treatment
  • Gray water treatment
  • Ford motors, UK, Spain & Germany
  • Carlsberg, UK
  • Chiquita Central America
  • Paper mills around the world
  • Radio Active waste water treatment
  • High pressure boilers, condensate water and cooling towers
  • Industrial laundries
  • more information
no pre-treatment prior to AFM , and all of the yeast was removed

|reports | schematics | Case study |

oil in water,
before and after AFM
Presentation
Desalination  and membrane pre-filtration 

AFM   protects the membranes and any pre filtration system such as cartridges. The AFM filter can is some cases reduce the solids loading and bacterial fouling by an order of magnitude, which represents huge savings in membranes and pre-filters .

 


Presentation
Fish Farms
  • Stolt Sea Farms, the largest fish farming organisation in the world use AFM filtration systems to treated their influent water.
  • Marine Aquaculture Centre, USA
  • AgriFoodVeterinary Authority Singapore (AVA) Marine Aquacuture Centre, St Johns Island.
  • Installations world-wide
  • more information
Typically 3000 litres per minute water in-take filtration  system for seawater abstraction. Almost all of the main hatchery intake system N.Europe and many effluent systems as well as recycled water filtration.

Presentation

Cooling Towers
  • Cooling towers for many different industries
  • recirculation water treatment
  • combined with NoPhos
  • more information

AFM has a much higher thermal stability than silica sand, it will also remove at least 30% more solids from the water. AFM does not support bacteria,  indeed sand can support  a 1000 times the number of bacteria.  The use of AFM can therefore make a major impact on the quality of the water and the level of bacteria in the recycled water.


Presentation
Environment
  • Dryden Aqua technology protects the environment, biodiversity, the health of children and may be a solution to Global Warming
  • more information


Research projects in Progress
Disseminationation Reports | Awards