The document discusses air separation units which use cryogenic air separation to separate nitrogen, oxygen, and argon from atmospheric air. The process involves filtering air, increasing its pressure through compressor stages and heat exchangers to create liquid air, and then distilling the liquid in columns to separate the gases. The company supplies heat exchangers and coolers to evaporate and condense fluids at various stages of the air separation process. Their equipment is specially designed to withstand cold temperatures and prevent freezing.

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2. Air Separation Units: Technology on
the move
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3. • .
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.
Compressor stage. Distillation column. Heat
exchanger. Condensate. Atmospheric air.

4. • .
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.Compressor stage. Distillation column. Heat
exchanger. Condensate. Atmospheric air.
• The atmosphere consists of approximately 78% nitrogen (N2), 21% oxygen
(O2) and 1% argon (Ar).
• Several industries require pure nitrogen, oxygen or argon for their
production processes.
• Cryogenic Air Separation is the process that enables the separation of
these compounds.
• It filters dust and moisture from the air.
• Several compressor stages and heat exchangers increase the pressure of
the filtered air, resulting in liquid air.
• After the last stage, the liquid air moves to a distillation column.

5. • .
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.Compressor stage. Distillation column. Heat
exchanger. Condensate. Atmospheric air.
• Liquid nitrogen exits at the top of the distillation column, whilst the liquid
oxygen and argon come out at the bottom.
• The now maximally compacted substanced may then be transported to the
customer.
• If the customer whishes to evaporate the fluids, for example into gas
required for a production process, he will need heat exchangers, which we
supply.

6. • .
13-1-2015Air separation units technology on
.Compressor stage. Distillation column. Heat
exchanger. Condensate. Atmospheric air.

7. Air Separation Units Case
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Compressor stage. Distillation column. Heat
exchanger. Condensate. Atmospheric air.
Challenge / question
• To what degree are we able to supply
high-quality air coolers and heat
exchangers required for Cryogenic Air
Separation?
• Our Solution
• After every stage, our air coolers further
cool the hot and humid air with cooling
water.
• We individually design them, tailored to
all requirements, and we provide a
discharge for the condensate, resulting
from the cooling, ie selfdraining by
gravitation.

8. Air Separation Units Case
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Absorption or Air Separation Units refrigeration?
Refrigerant condenser or evaporator? You choose.
Our Solution
• Our heat exchangers evaporate fluids
using water from the surroundings.
• However, this type of cooling could
cause water to freeze to the sides of
the tubes.
• Our special design ensures that this
does not damage the heat exchangers.
• Also, they are manufactured from
stainless steel so that they are cold-
resistant.
• The tube diameter is extra large in
order to avoid the tubes freezing up
since water expands when it is
freezes.
• High temperature differences cause a
large amount of tension in the tube
heads.
• As gaskets may leak, we use high-
quality welding for the entire head.

9. Air Separation Units
• Air Separation Units are related to the following products:
• Heat Exchanger http://www.bronswerk.com/en/Heat-
Exchanger/PT58/
• Cooler http://www.bronswerk.com/en/Cooler/PT36/
• Compressor http://www.bronswerk.com/en/Compressor/PT34/
• Air Cooled Cooler http://www.bronswerk.com/en/Air-Cooled-
Cooler/PT6/
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10. • Interested? Can we help you with your business?
• Read more about heat exchange solutions for different markets:
• Power: http://www.bronswerk.com/en/Power/MT40/
• Gas: http://www.bronswerk.com/en/Gas/MT14/
• Oil: http://www.bronswerk.com/en/Oil/MT4/
• Chemical: http://www.bronswerk.com/en/Chemical/MT24/
• Air Handling: http://www.bronswerk.com/en/Air-handling/MT30/
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11. • Can we improve your energy ROI?
• Ask our colleague nl.linkedin.com/pub/bram-marcus/11/24b/34b or contact
our company.
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• Like to know more about our company?
• Have a chat with Bronswerk people via our website or
• Visit our website: http://www.bronswerk.com/en/

13. • Meet us on LinkedIn.
• https://www.linkedin.com/company/bronswerk-heat-
transfer/products?trk=top_nav_products
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• http://www.facebook.com/Bronswerk.
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