NatureTech Environmental Inc.
Transcript of NatureTech Environmental Inc.
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Abydoz Environmental Inc..
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Engineering Class Engineering Class –– Term 7 Term 7 PresentationPresentation
Technology– Kickuth Engineered Wetlands– World Leading Specialists
• Patented Wastewater Treatment
Review of Company Progress– 1999 to current 2008
Advantages of System
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Our Company Our Company -- ABYDOZABYDOZ
Wastewater Treatment Company Specializing in Engineered Wetlands
Kickuth BioReactor™ Wastewater Treatment– Branch of the German Kickuth Organization– License Area - Canada & Caribbean
Office in Portugal Cove, NewfoundlandNursery in Argentia and Windsor, Ontario
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Kickuth Technology Kickuth Technology
World Leading Technology– Worlds First Domestic Secondary Treatment
System 1974 - 5,000 PE – Worlds Largest Wetland Projects– World Leading Firsts in Applications
Examples of World Projects
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Municipal Sewage Municipal Sewage -- MarutendorfMarutendorf
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Weller Switzerland Weller Switzerland –– Domestic SystemDomestic System
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GlycolGlycolSchonefeld Airport, BerlinSchonefeld Airport, Berlin
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Schonefeld AirportGlycol System
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Landfill LeachateLandfill LeachateHamburg, GermanyHamburg, Germany
Hamburg Landfill Treatment
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Industrial use of this TechnologyIndustrial use of this TechnologySample CompaniesSample Companies
Sudapet, Petronas - HydrocarbonsShell / PDO - Oil field produced waterBritish Steel - Coking Oven EffluentBritish Aerospace - ExplosivesHuntsman Corp. - ChemicalsBerlin Airport - GlycolMercedes Benz - StormwaterCerestar Corp. - Cellulose
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Site Of Former Oil RefinerySite Of Former Oil Refinery--PumpherstonPumpherston ScotlandScotland
Remediation of hydrocarbon, PAH, surfactant contaminated groundwater.
BP Environment Award winner.
First Phase Constructed.
Second Phase also installed. Discharge to Class I Salmon river.
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Natural or Engineered?Natural or Engineered?
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Winner of BP Chairman's Environmental Award
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Oil Extraction Process WaterOil Extraction Process WaterHegligHeglig project, Sudanproject, Sudan
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Fully MaturedFully Matured -- HegligHeglig SudanSudanThe reed beds are currently operating on 40,000 tonnes per day of water. With expansion planned for 300,000 tonnes or 77 million gallons per day.
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Hydrocarbon TreatmentHydrocarbon TreatmentOman projectOman project
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Billingham Industrial ComplexICI Amines Manufacturing
250 different chemical process streams.
Size: 70,000 m2
All effluent successfully treated since reed beds operational from 1989 to closure of plant. Operational Capacity
3000 m3 per day, or 660,000 gal per day.
System now operated as a liquid landfill – leachate from landfills and commercial liquid wastes.
Amines are organic derivatives of ammonia
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ICI ICI -- Billingham, UKBillingham, UK
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Steel Mill EffluentSteel Mill EffluentWhylla, AustraliaWhylla, Australia
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Engineered Wetland TechnologyEngineered Wetland TechnologyHow it works How it works
Specialized Plants are catalysis to the system – Oxygen is transferred to their root mass– Oxygen allows Aerobic bacteria to thrive– Biological reduction occurs naturally
Matrix material is blended to provide components for chemical reduction– Chemical and biological reduction work in
combination to reduce contaminants
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Full Treatment Full Treatment -- Effluent and Solids Effluent and Solids Higher treatment levels with flow protectionHigher treatment levels with flow protection
RecipientRiver or
Pond
Screening
Municipal TownPeople & Industry
Kickuth Sludge Cells
Primary TreatmentSolids Settling
Main Effluent Secondary Treatment
andAdditional Tertiary
Treatment
StormwaterSecondary Treatment
Treated Solids
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Kickuth BioReactorKickuth BioReactor™™ SystemSystemAn Engineered WetlandAn Engineered Wetland
Cross Section of a typical
Kickuth BioReactor™
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How does the Kickuth Wetland How does the Kickuth Wetland System Work for Nitrogen ?System Work for Nitrogen ?
Nitrification and De-nitrification
– Nitrification occurs in the presence of oxygen when nitrifying bacteria metabolize ammonia (NH3). The nitrifying bacteria convert the ammonia to nitrates (NO3).
– De-nitrification occurs in the absence of oxygen when nitrates ( NO3) is used as an oxygen source creating (NO2) then this is converted into nitrogen gas ( N2).
This occurs in man made sequential batch reactors which creates a region rich in oxygen followed by a region starved of oxygen. The wetland system has thousands of these areas and the waste water moves through them continuously producing good nitrogen reduction.
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Matrix Cross Section - Sub Surface-rhizome of plants
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Full Treatment Full Treatment -- Effluent and Solids Effluent and Solids Higher treatment levels with flow protectionHigher treatment levels with flow protection
RecipientRiver or
Pond
Screening
Municipal TownPeople & Industry
Kickuth Sludge Cells
Primary TreatmentSolids Settling
Main Effluent Secondary Treatment
andAdditional Tertiary
Treatment
StormwaterSecondary Treatment
Treated Solids
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Municipal Sludge Municipal Sludge -- Solid TreatmentSolid Treatment
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Newfoundland Start Newfoundland Start
Transfer Technology from Germany– R & D work with the NRC from 1999 – 2004– Testing for 2 years
Dept. of Environment – Small single family systems - pilot beds
Dept of Municipal Affairs– Marystown Municipal Pilot -35 homes
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Single Family Home System Single Family Home System -- 19991999
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Marystown Domestic System - 200235 home- 55m3/day
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Marystown Domestic System
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Marystown Data Marystown Data ( average over 2 years of testing ( average over 2 years of testing –– end of pipe)end of pipe)
Reduction of contaminants as %BOD – 85 % Effluent Avg. = 7 mg/lTSS - 76 %Ammonia - 65 %Phosphorous - 90%Fecal Coliform - 99.5%Total Coliform - 99.6%
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Newfoundland ActivityNewfoundland Activity
Small projects in NL– IOCC Mine Office Sewage– Circle Square Ranch– Coast of Bays Interpretation Centre– Decentralized systems - Holyrood
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Full Scale Newfoundland Full Scale Newfoundland Currently Completed ProjectsCurrently Completed Projects
Stephenville Town Project - 2005– 8000 PE, system 19,000 m2
Appleton /Glenwood Town project -2006– 1800 PE, system 10,000 m2
Stephenville Sludge Beds - 2007– Composting of domestic sludge from primary
clarifiers
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Stephenville System Stephenville System
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Stephenville Project 2005Stephenville Project 2005Construction Started In May 2005Wetlands completed in August 2005Approx 19,000 m2 of Engineered wetlands8 Horizontal beds & 2 vertical beds– Town population 7280 PE.– Flow 107 l/sec , or 9244 m3 /day = 2.44 million gal /day
Head-works built in 2006 – 2007
Commissioning planned for May 2008
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Stephenville Wetland Project
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AppletonAppleton-- Glenwood SystemGlenwood System
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Appleton/ Glenwood Project 2006Appleton/ Glenwood Project 2006
Construction Started In May 2006 - completed November 2006
Approx 10,000 m2 of Engineered wetlands4 Horizontal beds, 1 vertical bed & 1 Stormwater Treatment Bed– Town population 1800 PE.– Flow 53 l/sec , or 4555 m3 /day = 1.0 million gallons /day
Started running Dec 2006Commissioned January – June 20071- year operation
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Full Treatment Full Treatment -- Effluent and Solids Effluent and Solids Higher treatment levels with flow protectionHigher treatment levels with flow protection
RecipientRiver or
Pond
Screening
Municipal TownPeople & Industry
Kickuth Sludge Cells
Primary TreatmentSolids Settling
Main Effluent Secondary Treatment
andAdditional Tertiary
Treatment
StormwaterSecondary Treatment
Treated Solids
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Appleton /Glenwood DataAppleton /Glenwood Data( average over 1st year operation( average over 1st year operation-- out of system prior to discharge out of system prior to discharge to mixing in Gander Riverto mixing in Gander River--end of pipe values)end of pipe values)
Reduction of contaminants %BOD - 90.15 % Treatment from 106 to 7.2 mg/lTSS - 96.74 % 1622 to 5.9 mg/lLimits BOD 20mg/l & TSS 30 mg/l
Ammonia - 65.84 %Phosphorous - 79.23 %Fecal Coliform - 97.85 %Total Coliform - 96.48 %
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Sludge CellsSludge Cells
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Sludge Cells for Secondary SludgeSludge Cells for Secondary Sludge
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Sludge Cells for Secondary SludgeSludge Cells for Secondary Sludge
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Sludge Cells Just PlantedSludge Cells Just Planted
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Sludge cells after establishedSludge cells after established
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Sludge Cells Sludge Cells -- Weller SwitzerlandWeller Switzerland
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Stephenville Sludge CellsStephenville Sludge Cells-- 20072007
Construction Completed Fall 2007
Approx 2,250 m2 of Sludge cellsWetland 200 m2 Horizontal bed– Town population 7280 PE.– Sludge volume 0.9 l/day/PE = 6.5 m3 /day or
2373 m3/year
Commissioning planned for May 2008
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Stephenville Sludge bedsStephenville Sludge beds
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Stephenville Sludge CellsStephenville Sludge Cells
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Abydoz Wetland Pilot Study St. JohnAbydoz Wetland Pilot Study St. John’’s s Landfill Landfill –– Pilot Bed 150 m2Pilot Bed 150 m2
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Bench Scale Reductions of IRON
Original Sample PH 8.0 PH 8.0 PH 8.0
mg/l Time Settled Time Settled Time Settled
0 -hrs % removal 24 -hrs % removal 48 -hrs % removal
Total Iron 39 12 69% 0.9 98% 0.3 99%
Ferric Iron 9.8 10 -2% ND 100% ND 100%
Ferrous Iron 29 2.2 92% 0.8 97% 0.5 98%
Best option for Iron removal from initial bench scale testing
Bench Scale Landfill projectBench Scale Landfill projectWhat has been achieved?What has been achieved?
Iron removal can be achieved with pH adjustment, and settlement.
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Pilot ConclusionsPilot Conclusions
Leachate is not phytotoxic for reeds.
Iron can be removed.• precipitation through pH adjustment in Head-works prior to
wetlands preventing any issues of plugging.
Results in pilot were as expected.• The pilot can be used for treatment and hydraulic projections
to full scale.• Pilot proved Kickuth Design Equations are accurate for
Leachate at Robin Hood Bay.
Nitrogen and hydraulics will be the main parameters for design of the Wetlands.
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Gaseous Pathways
(CH2O)nCarbohydrates
NH4Ammonia
0022OxygenOxygen
N2Nitrogen
H2OWater
CO2Carbon dioxide
NONO33NitratesNitrates
The root growth of Phragmites structures the soil and allows aerobic and anaerobic bacterial organisms to flourish.
Chemicals flowing through the system are exposed to oxidation and reduction processes.
Nitrogen Reduction Nitrogen Reduction ––Chemical biological & plant uptakeChemical biological & plant uptake
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Design Input Design Input –– Variables ConsideredVariables Considered
Flow profile projected– Diversion will create change in flow– Seasonal fluctuations– Wet weather fluctuations
Leachate total loadings can fluctuate– Changes due to combining effluent– Changes due to diversion– Changes due to landfill aging– Changes due to suppression by Iron
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SK-1
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Kickuth Wetland AdvantagesKickuth Wetland Advantages
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Fits Well in the EnvironmentFits Well in the Environment
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Environmental Environmental –– Friendly Friendly Park Like Setting– Can Connect to
walking trails in town
Green Sustainable Technology
Educational tours forschools
Do not need tohide away system
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Environmental Environmental -- GreenGreen
In Engineered WetlandsNo ElectricityNo ChemicalsNo Mechanical Items No Moving Parts
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Green House Gas ReductionGreen House Gas ReductionDECONTAMINATION, EMISSIONS AND ENERGY BALANCE DECONTAMINATION, EMISSIONS AND ENERGY BALANCE
over a sixteenover a sixteen--year operating period compared with an identicalyear operating period compared with an identical--sized sized plant of conventional design and mode of operation (activated slplant of conventional design and mode of operation (activated sludge)udge)
DESIGNDESIGN
Layout and operation for 2,500 PE (7 operating years)
Layout and operation for 4,500 PE (9 operating years)
DISPOSAL RATES FOR 16 YEARS OPERATING:
COD 1,500,000 kgN 140,000 kgP 16,000 kg
OBTAINED AT THE COST OF:OBTAINED AT THE COST OF:
Energy Engineered Wetland Conventional plant
Electricity consumption 35,000 kWh 40,000,000 kWhEquivalent coal 17,000 kg 20,000,000 kg
EmissionsCO2 47,000 kg 53,000,000 kgNOx 70 kg 81,000 kgSO2 125 kg 142,000 kg
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Low MaintenanceLow Maintenance
0102030405060708090
100
Mechanical
Kickuth
Kickuth BioReactor™typically costs 10% to 20% of the operating costs of a mechanical treatment system.
Life cycle cost savings
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Self RegulatingSelf Regulating
No replacement of plants (Phragmites Australis)No cutting of plantsNo removal of plantsNo site remediationLow operating skills
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Sustainable Sustainable -- Technology Technology Expected 40 to 60 even 100 year life of system.
No energy required for treatment. Wetland is powered by solar & plants not electricity.
Treatment is achieved through natural biological and chemical interaction and reduction, no continuous chemicals or bugs to be added. No highly skilled labour required.
Higher levels of treatment provides future savings as Environmental limits become more stringent.
No transportation of sludge, treatment on site reducing impacts on landfills for disposal, and eliminating transportation costs which will increase.
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Incremental and Economical Expansionas Required – just add beds
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Plants Grown in Placentia AreaPlants Grown in Placentia AreaLocal IndustryLocal Industry
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Fabrication and built with local labour and materials.
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ABYDOZ ABYDOZ System selectionSystem selectionSelection by Town Engineers based mostly on Capital Costs
Items which should be considered– 40 year life cycle –very low operating costs– Higher levels of treatment
• Treatment of solids as well as liquids• Specialized treatment – Stormwater protection
– Green, Sustainable Technology– Promotes Innovative Technology in NL
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End of PresentationEnd of Presentation