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Norway
International Sales
Gupex Limited
52 High Street
Knaphill, Woking
Surrey GU21 2PY
UK
Tel:+44 1483 799333
Fax:+44 1483 480199

Scandinavia
Gupex AB
Östra Vägen 1
462 32 Vänersborg
Sweden
Tel: +46 521 272791
Fax: +46 521 272793

Head Office
Postal address:
Gupex AS
Postboks 304
1377 Billingstad
Norway

Office address:
Gupex AS
Olav Brunborgsvei 6
1396 Billingstadsletta
Asker
________________

Tel:  +47 99515555
Fax: +47 66981901

ENERGY RECOVERY FROM CORROSIVE AIR

Industrial heat recovery from corrosive and aggressive air and gas

A very large proportion of industrial air and gas processes include moist, corrosive and dusty air and gas with moderate temperatures (up to 160°C).  Low energy prices in the past have made it possible to ignore this area completely from energy saving and conservation point of view.  And since almost everybody ignored this energy conservation, the industry as a whole was simply able to get away with this wasteful practice.  NOT ANY LONGER.  Energy prices have been rising substantially for several years and are predicted to rise at an even higher rate in the future.  To become more competitive, these vast potential areas of untapped energy conservation and recovery must be tackled head on.  Even energy from the most corrosive air and gas containing acids and other substances  can and must be recovered.  And with GUPEX® corrosion resistant equiment this is perfectly possible.

Gupex AS have for over 20 years made their own proprietary industrial corrosion and acid resistant air to air heat exchanger, designed for energy recovery in many corrosive industrial air processes.  Where other heat exchangers only last a short time, the GUPEX® air heat exchanger goes on and on.  Some GUPEX® units are still recovering heat energy after more than 20 years in humid, corrosive and dusty air with acidic water condensing through the heat exchanger plates. The air to air heat exchanger is made of glass fibre reinforced polyester, GRP, with the casing made of polyester sandwich material.  This gives a rigid, lightweight construction with excellent thermal insulation. 

Typical uses of the corrosion proof GUPEX air air heat exchanger in aggressive air and gas are:

  • Exhaust air heat recovery
  • Sulphuric acid technology processes (flue gas desulphurisation – FGD)
  • Moist air heat recovery from paper production machines
  • Flue gas reheating
  • Reheating in gas scrubber processes
  • Plating, galvanizing and foundry processes
  • Sewage waste heat recovery



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