Air Separation toAir Separation to Applications
Steve Baron – Advanced Technology Cryogenic Applications, Basingstoke UK28 September 2011
Who Who is is Air Products?Air Products?Who Who is is Air Products?Air Products?Global atmospheric, process andspecialty gases performance materialsspecialty gases, performance materials,equipment and services providerServing industrial, energy, technology and healthcare markets worldwideOperations in over 40 countries~19,000 employees worldwideWorld HQ in Allentown, PA, USA.
European HQ in Hersham Surrey– European HQ in Hersham, Surrey– Asia HQ in Shanghai
$9 billion company in FY10
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$9 billion company in FY10– Diverse markets and geographies
Modes of Supply Modes of Supply Modes of Supply Modes of Supply Gases can be supplied in three main waysmain ways– Cylinders– Bulk gases (transported as
C i Li id)Cryogenic Liquid)– On Site generation
MembranesAir Separation Units (ASU)
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Cryogenics at Air ProductsCryogenics at Air ProductsCryogenics at Air ProductsCryogenics at Air Products
0oC Water Freezes
-18oC (0oF)
HouseholdRefrigeration> -12oC
Low TemperatureRefrigeration< -40oC
-78oC CO2 Sublimation (Dry Ice)
-42oC Liquid propane
Cryogenics< -100oC
2
-196oC N2 Boils-183oC O2 Boils
< -100 C 196 C N2 Boils
-273oC Absolute Zero-269oC He Boils
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Air Separation Air Separation –– How is it done?How is it done?Air Separation Air Separation –– How is it done?How is it done?
1 Air Feed2 Cleaning3 Compressing4 Cooling5 Separation6 Crude argon7 Vaporizer8 Gas Filling9 Liquid Filling10 Pipeline Supply
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Air Separation Air Separation –– How is it done?How is it done?Air Separation Air Separation –– How is it done?How is it done?
LP (c. 1 bara)
Ar
78% N2LNLOX ( 183°C)21% O2
1 % ArPlus H2OCO2 etc
LN2 LOX (-183°C)
CO2 etc
HP (5 -7 bara)
Air (c. -175°C)
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( )Crude LOX (c. 40%)
Cryogenic Cryogenic ApplicationsApplicationsApplicationsApplications
Cryogenic Applications R&D Facilities:– Laboratories in Basingstoke (UK)Laboratories in Basingstoke (UK),
Allentown (USA) and Bangkok (Thailand)– Analytical capabilities– Customer demonstrations– Development of processes and
equipment – Ideal for testing new products, processes
d t h l iand technologiesExperienced R&D team :– App. 140 years of combined R&D
iexperience– Frequent experience exchange and
training from research to prod ct de elopment from research to prod ct de elopment
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. . . from research to product development. . . from research to product developmentand implementation in the market placeand implementation in the market place
Typical Cryogenic Tunnel Typical Cryogenic Tunnel FreezerFreezerFreezerFreezer
LNLN22ExhaustExhaust
FanFan T b l FT b l F 22FanFan Turbulence FansTurbulence Fans
INFEEDINFEED OUTFEEDOUTFEED
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Food Processing Food Processing –– Cryogenic Cryogenic AdvantagesAdvantagesAdvantagesAdvantages
Size of iceSize of ice crystal
Freezing speed
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Other Cryogenic AdvantagesOther Cryogenic AdvantagesOther Cryogenic AdvantagesOther Cryogenic AdvantagesCryogenic rapid freezing helps to produceto produce– Individually Quick Frozen
(IQF) products– Pellets– Coated or enrobed products
Formed products (e g– Formed products (e.g. patties)
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Industrial CryogenicsIndustrial CryogenicsIndustrial CryogenicsIndustrial CryogenicsUltra-fine Grinding
Rubber and plasticsParticle sizes from 50 to 300 μmCryogenic temperatures to cause embrittlement
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Industrial CryogenicsIndustrial CryogenicsIndustrial CryogenicsIndustrial CryogenicsSolvent Recovery
Cryogenic Condensation of Volatile Organic Compounds (VOCs) to meet stringent emission standardsstandards
160
180
200
Dichloromethane
80
100
120
140
mis
sion
s (p
pm)
Freeze Point
0
20
40
60
-140 -130 -120 -110 -100 -90 -80
Em Freeze Point
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-140 -130 -120 -110 -100 -90 -80
Temperature (°C)
Other ApplicationsOther ApplicationsOther ApplicationsOther ApplicationsProcess CoolingD fl hiDe-flashingFridge recyclingReaction CoolinggHigh Temperature Superconductivity (67 to 90K)
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