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Transcript of ANAMMOX demonstration ondemonstration on full scale … marzo/knowledge/anammox.pdf · ANAMMOX®...
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ANAMMOXANAMMOX®® demonstration ondemonstration onfull scale in Rotterdam, The Netherlandsfull scale in Rotterdam, The Netherlands
Tom Vereijken, Paques B.V.
Local Action 1782, Topic Session FT3Local Action 1782, Topic Session FT3--040419th March 2006
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Nitrogen Cycle
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Phylogenic tree
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ANAMMOXANAMMOX®® Role in nature
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ANAMMOX® characteristics
• Anaerobic• Autotrophic• Red colour• Granule formation
• Biomass yield: 0.05 kg VSS/kg N• Conversion rate: 1 kg N/kg VSS.d• Min. doubling time: 11 days (largest
barrier)
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Power and methanol consumption
ConventionConventional ANAMMOX®
NH4+
NO3-
N2
(1.(.
0 kWh/kg N)NH4
+
N2
methanol(0 kg/kg N)
NH4+
aeration(2.3 kWh/kg N)
methanol(2.3 kg/kg N)
NH4+
NO3-
N2
NO2-
aerationkWh/kg N)
NH4+
N2
methanol(0 kg/kg N)
NH4+
a
methanol(2.3 kg/kg N)
NO2-
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ANAMMOX® vs ConventionalConventional
treatmentANAMMOX®
Power 2.3 1 kWh/kg N
Methanol 2.3 0 kg/kg N
Sludge production 0.5 – 1.0 0.1 kg VSS/kg N
CO2 emission > 4.7 0.7 kg/kg N
Costs 3 - 5 1.5 – 2.5 €/kg N
NH4+
NO2-
N2
NO3-
-3 0 +3 +5
The Nitrogen cycle
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Nitrous oxide (N2O) emission
• 310 times stronger greenhouse gas than CO2
• N2O intermediate in conventional treatment
• 1% conversion to N2O doubles CO2 equivalents emission of conventional treatment
N2O is not an intermediate in ANAMMOX®
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Application of ANAMMOX®
• waste water containing NH4+
• waste water containing NH4+ and COD
– Nitrification + denitrification– Anaerobic COD removal + ANAMMOX®
• ANAMMOX® advantages • biogas production
• NH3 from waste gas
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Separate process steps
partialnitrification ANAMMOX®
NH4+
NH4+
NO2-
N2
air
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History and Status
1988 2007
1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006
1988Nitrogen balance gap
at Gist Brocades
2002First Full scaleANAMMOX®
20052nd full scale
Anammox1998Discovery of ANAMMOX®
microorganism
1992Start development TU Delft
1999Worldwide licence Paques BV
20061st full scale
Canon
1996CultivationAnammox
Joint Development
• Universities:– Delft, Nijmegen, Gent, Aarhus,
Birmingham, Santiago de Compostella
• Kurita Water Industries LTD• Dutch Waterboard WSHD
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ANAMMOX®
Lab scale development
Pilot Plants
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Wwtp Rotterdam
• Capacity: 470.000 p.e.
• Treating 33% of the wastewaterwithin Waterboard area
• Not designed for N removal
• Positioned underground
• Difficult to expand
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A-stage(high loaded)
B-stage
Influent Effluent
Sludge
Reject water treatment
Sludge
Over 10% of the nitrogen load inca. 1% of the hydraulic flow
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ANAMMOX® process design
• Reactor with internal recirculation
• Compact technology
• Preceeded by solids removal
SHARON
ANAMMOX®
TPS
Dewatering
SHARON
ANAMMOX®
TPS
Dewatering
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0
100
200
300
400
500
600
feb-02 aug-02 feb-03 aug-03 feb-04 aug-04 feb-05 aug-05 feb-06 aug-06date
N c
onve
rsio
n (k
g/d)
Nitrogen conversionStart up Rotterdam
Removal efficiency N-Kj
-
10
20
30
40
50
60
70
80
90
100
okt-05 nov-05 dec-05 jan-06 feb-06 mrt-06date
rem
oval
effi
cien
cy (%
)
1,E+04
1,E+05
1,E+06
1,E+07
1,E+08
1,E+09
0 30 60 90 120time (days)
AM
X c
opie
s/m
l
Td = 10,5 d
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Second Full ScaleStart up March 2005Start up March 2005
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Comparison N-removal systems Case 500 kg N/day
Conventional wwtp 42.000 peAeration tank: 11.000 m3
Sedimentation tank: 50 m
Anammox®
Sharon tank: 1.200 m3
ANAMMOX® reactor: 72 m3
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ANAMMOX® perspective for digestion plants in EU-25
• Ca. 1100 digestion plants at municipal wwtp = ca. 200 million kg N/year
• saves € 500 million every year
• saves 1000 kton CO2 per year
• saves 800 ha
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Lesson learned:Local action 1782: The ANAMMOXLocal action 1782: The ANAMMOX®® processprocess
• Nitrogen can be removed with cost savings up to three times
• The development of ANAMMOX® was accelerated by a combination of: multistakeholder cooperation, entrepreneurial behavior and financial support
• ANAMMOX® represent a high potential for market-wide application
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Courtesy to:
1. Paques BV – The Netherlands
2. WaterSchap Hollandse Delta – The Netherlands
3. Delft University of technology – The Netherlands
4. Radboud University Nijmegen – The Netherlands
5. Waterstromen BV – The Netherlands
6. Kurita Water Industries LTD – Japan
NH4+
NO2-
N2
NO3-
-3 0 +3 +5
THANK YOU FOR YOUR ATTENTIONTHANK YOU FOR YOUR ATTENTION
t.t.vereijkenvereijken@@paquespaques..nlnl