AirUser 2008 96+4pp 23/7/08 16:50 Page 43
Adsorption technology
SECTION 2a
Desiccant Dryers
Eliminating moisture and foreign gases is essential to provide dry,
clean and oil-free compressed air. Donaldson Filtration runs
through the types of adsorption dryers available.
Donaldson Filtration (GB) Ltd
Humberstone Lane
Thurmaston
Leicester LE4 8HP
Tel: 0116 256 4660
Fax: 0116 269 6454
Email:
ifs-uk@emea.donaldson.com
Website:
www.donaldson.com
Compressed Air
Filtration
Industrial Filters
H18546 High Efficiency
H18546 Pre Filters
H18546 High Pressure Filters
H18546 Elements
Process Filters
H18546 Sterile
H18546 Steam
H18546 Vent
H18546 Gas
H18546 Disposable
Twenty five metres long, six metres
PROCESSING OF TECHNICAL GASES
H18546 Filter housings
wide and seven metres high: These
Special installations are for example required if – as
H18546 Elements
described above – extremely large amounts of
are the dimensions of the largest
compressed air must be processed. One single tailored
H18546 Sterile Air Systems
system segment delivered from the
large-scale system performs this task much more High Efficiency Dryers
economically than several standard dryers. Frequently,
H18546 Adsorption
Donaldson workshop in Haan. And
the engineers of the Systems Dryer division also
H18546 Refrigeration
develop solutions for processing technical gases and
this segment was just one of several
gaseous energy sources such as carbon dioxide and
H18546 Purification Packages
parts of the adsorption dryer unit
natural gas. For this they have up-to-date CAD
H18546 Breathing Air
systems at their disposal, and since the engineers
that was installed in a large chemical
Condensate Management
work close to the dryer production department short
H18546 Drains
plant which now processes 66,000
ways between engineering and production are
H18546 Oil/Water Separators
guaranteed.
Nm
3
/h of compressed air. Adsorption
H18546 Emulsion Separation
technology even withstands the test
OPTIMUM INTEGRATION INTO THE SYSTEM Process Water
Independent of the medium to be processed, an
with extremely large flow rates to
Chillers
optimum integration of the dryer into the total
Service
eliminate moisture and foreign gases
system requires comprehensive know-how. Klaus
Michel, Technical Manager says: “If the adsorption
H18546 Installation
from compressed air and technical
system is individually developed, it is often possible to
H18546 After Sales
gases.
remove the regeneration gas as well as the required H18546 Energy Efficiency
regeneration heat from the process – thus saving lots of
In the case of standard applications, standard
energy. Therefore, the additional costs for a special
Industrial
adsorption dryers are used. Donaldson offers a range of
installation often amortise in a very short period of
Hydraulics
products from the economic and compact ‘terminal
time. And the extensive experience that we have
dryers’ through the new highpressure dryers up to the
gathered during many years of systems engineering,
highly efficient heat regeneration ‘heat of compression’
ensures that the systems optimally fulfil their tasks.
adsorption dryers.
Therefore, we often take unconventional paths and for
example build systems with three adsorption vessels in
With this range of products, nearly all requirements of
order to conserve the adsorbents and guarantee long
compressed air processing can be covered to provide
regeneration cycles.”
dry, clean, and oil-free compressed air even for
challenging applications such as semiconductor
production. There are, however, applications where the
systems must be individually adapted to the operational
conditions – and exactly this is the task of our business ENTER 83259
division ‘Systems Dryer’.
www.airuser.com/enquiry
AirUser 43
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