Non Thermal Plasma Plants: Experiences from the Industrial ... · Experiences from the Industrial...
Transcript of Non Thermal Plasma Plants: Experiences from the Industrial ... · Experiences from the Industrial...
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Rolf Rafflenbeul
Non Thermal Plasma Plants: Experiences from the Industrial Praxis of
Air Purification
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Figure 1: Schematic depiction of the discharging vessel for cold sparks discharges
Schematic depiction of the discharging vessel
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Design of a discharging vessel
Figure 2: Design of a discharging vessel with comb disk modules made off cordierite (three-ply)
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Homogenous discharge at barriers
Figure 4: Homogenous discharge at barriers made off mullit ceramic (surface view)
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Focused discharge in partial barrier sections
Figure 5: Focused discharge in partial barrier sections (surface view)
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Discharge in a plasma module
Figure 6: Discharge in a plasma module with plate barriers (top view)
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Spot discharges
Figure 7: Focused spot discharges on a ceramic barrier material (surface view)
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Degradation of different substances
Figure 8: Degradation of different substances and specific energy demand
Is ooc taneButane
Dodec ane
Ethy lene
NorborneneNitrogen
s y nthetic air
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Energy index
C o m p ar is o n o f V OC -d e g r ad atio n in n itr o g e n an d s yn th e tic air
Is ooc tane
Butane
Dodec ane
Ethy lene
NorborneneNitrogen
s y nthetic air
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relativ degradation [% ]
C o m p ar is o n o f V OC -d e g r ad atio n in n itr o g e n an d s yn th e tic air
none mes s uring
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Hair-pin discharging vessel
Figure 9: Hair-pin discharging vessel with titanium dioxide combs for using catalytic after-reactions
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Efficiency of plasma sources
Figure 10: Efficiency of plasma sources for treating fumes (diesel exhaust air)
D e g rad a tio n in % o f the in le t c o nc e n tra tio n
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1 0
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0 ,0 2 ,5 5 ,0 7 ,5 1 0 ,0
P o w e r in W /m ³ f um e
Red
uctio
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%
N O xS o o tS o o t w ith p ac ke d b e d c a ta lys t c o nne c te d d o w ns tre amN O x w ith p ac ke d b e d c a ta lys t c o nne c te d d o w ns tre am
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Catalytic supported NTP plant for 10,000 m³/h of waste air
Figure 11: Catalytic supported NTP plant for 10,000 m³/h of waste air behind flavouring processes for food
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Results of the degradation of odour behind oil mills
Figure 12: Results of the degradation of odour behind oil mills (without catalyst)
Odor reduc tion behind o il mills(humid ity approx 95% )
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app lication o f ene rgy [W h/g V O C ]
Odo
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cent
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n [O
U/m
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Results of the degradation of odour behind fattening food production
Figure 13: Results of the degradation of odour behind fattening food production processes (without catalyst)
Odor reduc tion behind fa ttening food(exhaust a ir temperature 40°C )
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app lication o f ene rgy [W h/1000 O U]
Red
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Diagram of a NTP plant
Figure 14: Diagram of a NTP plant for odour reduction in factories for producing fatting food and fish meal (very humid emissions)
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Investment- and running costs
Figure 15: Investment- and running cost comparison of waste air purification processes (50,000 m³N/h) for <100 mg VOC/m³ in the flavour processing industry
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Thank you for your attention
Rafflenbeul IngenieureVoltastraße 5 63225 Langen
Tel.: 06103 / 30 09 78Fax: 06103 / 28 06 65
E-Mail: [email protected]