Plant Wide Odour Control Strategy · Microsoft PowerPoint - Ppt0000004.ppt [Read-Only] Author:...
Transcript of Plant Wide Odour Control Strategy · Microsoft PowerPoint - Ppt0000004.ppt [Read-Only] Author:...
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PlantPlant‐‐Wide Odour Control StrategyWide Odour Control StrategyPresented to Humber Treatment PlantPresented to Humber Treatment Plant
Neighbourhood Liaison CommitteeNeighbourhood Liaison Committee
February 16, 2011February 16, 2011
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AgendaAgenda
•Project Overview•Odour Sampling
•Air Model Baseline Results
•Identified Odour Sources•Treatment Strategies
•Phase I•Phase II
•Air Model Results Summary
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Project OverviewProject Overview•Located on 130 Queensway
•Constructed in 1950’s
•Several Upgrades/phased expansions since then
•Process Upgrades made to reduce odour
•Stantec conducting Process and Odour Upgrade Contract
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Odour SamplingOdour Sampling
•3 Rounds of odour sampling completed
•September 22‐25, 2008
•January 16, 2009
•September 2‐3, 2009
•Sampled 6 process areas of concern
1. Inlet Sewer 4. North Primary Clarifiers
2. Headworks Facility 5. South Primary Clarifiers
3. North Grit Building 6. Aeration
Aeration Sampling Location
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Air Model Air Model –– Baseline ResultsBaseline Results
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Air Model Air Model –– Baseline ResultsBaseline ResultsOdour distribution at most sensitive receptorOdour distribution at most sensitive receptor
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Identified Odour Sources Identified Odour Sources –– Phase IPhase I
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Identified Odour Sources Identified Odour Sources –– Phase IIPhase II
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Treatment Strategy Treatment Strategy –– Phase IPhase I•Underground Biofilter to treat:
•Headworks Facility (screens, grit chambers, channels, and proposed truck bay)
•North Grit Building (grit tanks and channels)
•North Primary Clarifiers (influent and effluent channels)
•Above Ground Biofilter to treat:
•South Primary Clarifiers (influent and effluent channels)
•Carbon Adsorber located adjacent to Headworks Facility to treat:
•Screen Room in Headworks Facility
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Treatment Strategy Treatment Strategy –– Phase IPhase I
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Treatment Strategy Treatment Strategy –– Phase IPhase I
BiofilterCarbon Unit
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Treatment Strategy Treatment Strategy –– Phase IIPhase II•Cover Phase I biofilter and exhaust with strobic fan
•Contain air from North and South Primary Clarifiers with a new building and covers and treat air with new biofilter
•Treat Aeration with new biofilter
•Cover both new biofilters and exhaust with strobic fan
•Treat Digester Buildings withnew carbon unit
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Treatment Strategy Treatment Strategy –– Phase IIPhase II
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Air Model Air Model –– Summary of ResultsSummary of ResultsAt Most Sensitive ReceptorAt Most Sensitive Receptor
Odour Concentration (OU)
Baseline Phase I Phase II
75 3.8 2.1
Phase I Phase I ‐‐ $9M, as part of a $55M project$9M, as part of a $55M projectPhase II Phase II ‐‐ $59M$59M
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Questions??Questions??