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Testing
To verify and to be able to develop
higher efficiency on our EP-S cells we have contacted experts on measuring efficiency, both by weight and particle count.

These tests have been carried out by experts on the high-voltage area, and give us facts on our progess to maintain our position as a leading global EPS supplier.

For more facts about the efficiency tests please contact us.

Efficiency tests can be found here



Integration

Our electrostatic filters are assembled
in modules and are simple to adapt to
the size of existing buildings.

CTA also supplies self-contained filter systems for industry and building
ventilation systems.


In the Strømsås tunnel CTA installed
the largest ceiling mounted axial fan
ever installed in a tunnel.

 

Clean Tunnel Air - References

To develop, manufacture and market total systems for control
of air pollution in road tunnels, industrial and office applications.

M30 Madrid Calle 30 Project, Madrid, Spain
The Madrid M30 motorway, the inner ring road of the city, is at the centre of a major urban renewal project. CTA is contracted to deliver both the gas cleaning and the EPS filters for the south part of the M30 Madrid Calle 30 project. Our part of the M30 project is estimated to be finished in the 2nd quarter of 2007.

Festning (Oslo, Norway)
3 lanes, 1.800 meters long tunnel in Oslo, Norway. CTA started installation in 1989 and ended in 1990. Shaft installation, total aircleaning volume 600 m3/s.



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Granfoss (Oslo, Norway)
3 lanes, 2.340 meters long tunnel in Oslo, Norway. Installation started in 1991 and ended in 1992. Bypass installation with a total aircleaning volume of 200 m3/s.


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Ekeberg I/II (Oslo, Norway)
Two 2-lane tunnels, each 1.400 meters located in Oslo, Norway. Installation started in 1993 and finished in 1995. Bypass installation with a total aircleaning volume of 500 m3/s.


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Elbe Tunnel (Hamburg, Germany)
5 lanes tunnel. CTA installed a pilot plant in the Elbe Tunnel, Hamburg, Germany. Installation started and was completed in 1994.



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Hell Tunnel I/II/III(Trondheim, Norway)
2 lanes, 3.900 meters long tunnel in Trondheim, Norway. Installation started and completed in 1995. Ceiling mounted installation with a total aircleaning volume of 95 m3/s.


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Nygårdtunnel (Bergen, Norway)
2 lanes, 900 meters long tunnel in Bergen, Norway. Installation started in 1998 and finished in 1999. Ceiling mounted installation with a total aircleaning volume of 250 m3/s.


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Chinbu Tunnel (South Korea)
2 lanes, 2.800 meters long tunnel in Chinbu, South Korea. Installation started in 1998 and finished in 1999. Bypass installation with a total aircleaning volume of 285 m3/s.


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Strømsås Tunnel (Drammen, Norway)
2 lanes, 3.600 meters long tunnel in Drammen, Norway. Installation started in 2000 and completed in 2001. Ceiling mounted installation, 4 stations, with a total of aircleaning volume of 160 m3/s.


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Lærdal Tunnel (Sogn og Fjordane, Norway)
Lærdalstunnelen, with two lanes, is the longest rock tunnel in the world. Installation of the CTA EPS started in 2000 and were finished in 2001. This was a bypass installastion with a total of aircleaning volume of 180 m3/s.

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To develop, manufacture and market total systems for control
of air pollution in road tunnels, industrial and office applications
.

Aker Verdal (Norway)
Aker Verdal is a big shipbuilding yard in Norway. In their production hall CTA installed a EPS recycling- system to eliminate the welidinggas in the air.



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Main Post Central (Norway)
EPS installed to clean the air in the loading ramp area to give the working people there better conditions. The required efficiency was 60%. With our system we reached 68%.


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Gröner Enigineering (Norway)
Gröner Engineering is located in Oslo, by the old airport Fornebu. CTA installed a EPS system to clean the air from the inled on the roof before it reach the office accommodation.


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Export Finans (Norway)
Export Finans is located in the center of Oslo. CTA installed a EPS system to clean the air from the inlet on the roof before it reach the office accommodation.



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Rana Metall (Norway)
A system with generators were installed to use oil for cooling by blowing air onto it. To avoid particles in the oil and be able to reuse the oil, CTA installed a EPS in the main air inlet.


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NSB Main Workshop (Norway)
Installation of a recirculation system combined with EPS technology to recycle 80% of the total air volume. The system were used during the winter to avoid energy loss.


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Postoffices and mailsorting centrals (Norway)
CTA installed approx. 30 different installations troughout Norway. Mainly to remove paper dust particles for a better indoor working environment.



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