Cleargreen - Eliminate nitrogen caused by anaerobic digestion of sludge
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Transcript of Cleargreen - Eliminate nitrogen caused by anaerobic digestion of sludge
Cleargreen™BIOLOGICAL TREATMENT OF EFFLUENTS WITHBIOLOGICAL TREATMENT OF EFFLUENTS WITH HIGH CONCENTRATIONS OF AMMONIA
URBAN WASTEWATER
ELIMINATE NITROGEN CAUSED BY ANAEROBIC DIGESTION OF SLUDGEEN
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DIGESTION OF SLUDGE
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T-ER
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CONTENTSUrbanW t tWastewater
Cleargreen™
Why a new product to treat ammonia?
Cleargreen™ in the treatment line
Operating Principle
Advantages of Cleargreen™
Case study: Creil-Montataire (60), FRANCE
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WHY A NEW PRODUCT TO TREAT AMMONIA?
UrbanW t t
Cleargreen™
AMMONIA?
Nitrogen treatment requires high
Wastewater
• Nitrogen removal needs 2 successives biological reactions
Nitrogen treatment requires high operating costs
• Nitrogen removal needs 2 successives biological reactions(nitrification and denitrification) requiring high levels of :
1-Energy consumption for aeration2-External carbon (ex. : méthanol)( )
• The growing market for anaerobic sludge digestion and biogazreuse leads to :
A 15% to 35 % (in case of co-digestion) increase in nitrogen load tobe treated on the water treatment line.This treatmnt increase energyand external carbon consumption and could also increase volumes.
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Cleargreen™ IN THE TREATMENT LINE
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*Ultrafor™, Biofor™, Cyclor™ or Meteor™
OPERATING PRINCIPLE (1/2)UrbanW t t
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Cleargreen™ • A biological treatment which is based on the Anammox b t i ti i SBR
Wastewater
bacteria action in a SBR. • A reactor equipped with captors, continually monitoring the system to limit human intervention.• An implemented biological reaction of deammonification.
A process divided into 4 stages into one tank
p g
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OPERATING PRINCIPLE (2/2)UrbanW t t
( )
Cleargreen™ Specific features:
Wastewater
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Cleargreen™ specifically treats the concentrated flow of nitrates: it does not return to the head of the water treatment line.
Field of application for urban WWTP:– Retun flow from digested (Digelis &Digelis Turbo) sludge dewatering,
– Centralized sludge treatment plants
L h t– Leachate
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ADVANTAGES OF Cleargreen™UrbanW t t
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• A patented, innovative, award-winning processCleargreen™
Wastewater
A patented, innovative, award winning process• Ease of operation:
– Spontaneous installation (without seeding) of the specific biomass due to the control of the process’ conditionsAutomatic control of cycles and regulation– Automatic control of cycles and regulation
– Simple interface for an optimized management of aeration – Low-maintenance
• Performance:– Robust adaptability to variations in load and effluent
composition• Sustainable Development:
– No reactive agents needed– No reactive agents needed– Preservation of energy resources
• Savings:– Automatic regulation of air supplyAutomatic regulation of air supply
(= control of consumption)
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CASE STUDY:CREIL MONTATAIRE (60) FRANCECREIL-MONTATAIRE (60), FRANCE
CONTEXT: • P t t th t h b i t ll d th
DESIGN: • Aerated biological tank volume of• Prototype that has been installed on the
WTTP of 250,000 PE
• Dehydration of digested sludge return at h C il l
• Aerated biological tank volume of30,000 m3 - Digestion
• Cleargreen™ prototype capacity:3 m3/dthe Creil plant
• Duration of the test: 17 months
• Continuous operation with a yield that reaches more than 90% on nitrogen
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