Keep Your Lagoons and Meet Your Targets
Transcript of Keep Your Lagoons and Meet Your Targets
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Keep Your Lagoons and Meet Your Targets
Chris Howorth P.Eng.
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Many things to like
• Simple O&M
• Sludge management
But they have limitations
• Large footprint
• Performance limitations
Lagoons Are Great! But…..
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WSER:
Unionized ammonia <1.25 mg/L
Non-toxic effluent
Target TAN <~5 mg/L
New Regulations Bring New Challenges
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Nitrifiers Prefer Summer!
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Keep what you’ve already got
As simple as a lagoon
Compact
Cost effective
Robust
Adaptable
What Would Good Look Like?
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Hug, don’t swim
Same process principle
Not new
Various configurations
(Attached) Growth is Good
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Where To Put It?
BOD, TSSAmmonia
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What Is It?
BOD, TSSAmmonia
Fits all lagoon types
Handles TSS/algae
Lagoon
In a Box
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MBBR Technology is a Great Fit
“Moving Bed Biofilm Reactor”
Simple: flow-through, self-adapting
Compact: high rate process
Robust: hard to break, handles TSS
Flexible/Adaptable: ammonia, BOD, TN
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AnoxK™ 5: PSA = 800 m2/m3
‘Carriers’ Provide Protected Surface Area
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Sieves Keep Carriers in the Basin
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Air Grids Mix and Provide Oxygen
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Veolia’s AnoxKaldnes group invented MBBR
First commercial installation in 1989
>1200 Veolia MBBR plants globally
>30 plants in Canada (since 2005)
MBBR is Well Proven Technology
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17
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Steady State Cold Water Operation
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Influent Ammonia Effluent Ammonia Water Temperature Removal
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Transition Conditions Test
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HubGrade
Digital & Human
Remote & Onsite
Monitoring
Optimisation
Advice
Information control
Future-proof
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O
● As simple or better to operate than an aerated lagoon
● Automatically adapts (load, temperature, flow)
● Resists toxic shocks
● Tolerates very high hydraulic peaks
&M● Zero ‘in-basin’ maintenance
● Blower(s), DO Probe(s), flow meter(s)
“…easier to operate than the lagoons,
and with much better performance.”
Lead Operator
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Process Combinations to Meet Your Targets
Discharge Regulations
BOD, TAN, TN
TP, TSS
Treatment Capacity
Wastewater Reuse