waste conversion of the future, operating facility in france
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Nouveau Waste Conversion: An Innovative French Technology Comes to the US
January 31, 2012
Presented by:Sandy Gutner, P.E.
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Founder of Value Added Consulting, based in Ft. Lauderdale.
25 years in solid waste management consulting experience gained with nationally known consulting firms.
Primarily role as municipal clients’ or serve as owners’ representative.
Extensive technology evaluation experience from MSW composting, pyrolysis, and others in late ’80s, 1st generation of plasma gasification, through current generations.
www.value-addedllc.com
Sandy Gutner, P.E.
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Discussion TopicsProject background and overview
Technology description and development history
Feasibility study methodology
Pictures
Study findings
Current status
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Emerging TechnologiesNew technologies being introduced constantly.
Implementation slow to materialize in US.
Most new technologies involve thermal conversion, electricity generation, or fuel production.
US market success heavily reliant on commercial viability.
Oxalor is a unique waste conversion technology based on relatively simple concepts that generates marketable products from household waste.
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Criteria for Success of Emerging Waste Management Technologies A working technology is only the 1st step.
Reference facility in commercial operation, using similar feedstock, in this case as-delivered municipal solid waste (MSW).
Vendor willing and able to accept financial and performance risk.
Marketable products to support diversion claims.
Competitive tipping fee
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Study BackgroundOxalor is a patented waste conversion
technology, with US patents pending.
Viridia, Int’l owns exclusive licensing rights to the Oxalor technology in the US.
Value Added Consulting was engaged by Viridia International to conduct an independent feasibility study of the Oxalor technology.
Feasibility study was used to facilitate company and project financing.
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Oxalor Background The process was developed in France more than 10 years
ago.
Original development was for use in converting wastewater biosolids to fertilizer.
Testing was conducted on different feedstocks including MSW.
After successful testing, the developer was able to execute an agreement between the Oxalor Group and a coalition of 18 regional municipalities to build and operate an Oxalor MSW facility for 20 years.
The facility ownership is divided between the municipalities (51%) and the Oxalor Group (49%).
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Oxalor MSW DevelopmentThe facility sponsors applied for a permit to construct and
operate an Oxalor facility using MSW.
Extensive regulatory scrutiny in permitting facility in France, including comprehensive Environmental Impact Statement.
Representative sampling and analysis was conducted directly by local regional governmental entity.
Analysis was completed for metals and contaminants, as well as agricultural components.
Permit to construct and operate and MSW Oxalor process was granted in 2010.
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Value Added Consulting Feasibility Methodology
Conducted independent review and analysis of previous research conducted by developer.
Site visit to reference facilities in Lezay, France to observe operations.
Grab samples of product and analytical testing at US laboratory.
Analysis of project economics using several material recovery and recycling revenue scenarios.
Oxalor Process Flow
10
120 min. Residence TimeTemp > 190F
40 min. Residence Time
MSW
Calox
To MRF
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After the ThermoAbsorberAfter Thermo-Absorber, material is completely dry,
pathogen-free, and reduced in size.
Trommel separates bulk of organic fraction, which then goes through refinement (removal of small Fe, non-Fe, inerts).
Trommel overs go through fully automated MRF using optical sorting, magnetic and eddy current separation and inert removal.
Non-recyclable but combustible materials shredded and marketed.
Residue is completely inert.
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Material Balance
Pathogen freeResidue to
Landfill
Recycled commodities
Fertilizer
Refuse Derived
Fuel
The Oxalor Process
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Oxalor – Lezay, France
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Site Location
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Facility StatisticsDesign Capacity of 20 tons per hour
Building size 40,000 sf
Converts ± 50% incoming waste to soil amendment
Recovers recyclable HDPE, PET, PP, LLDPE
Produces RDF from non-recyclable plastic, wood
Remainder is inert residue
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View from Control Room
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Municipal Waste As-Delivered
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Infeed Conveyor
Scale Conveyor
Reversible Mixer Feed Conveyor
• Scale conveyor used to proportion Calox
• Reversing shuttle conveyor alternates feeding mixing barrels
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Reversing Mixer Feed
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5 ton Mixing Barrel
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30 mm (1+ inch) Trommel
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Film Plastic Separator
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RDF From Trommel Unders
Trommel
Vibrating mesh screen
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RDF From Overs
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Optical Sorting Plastic, Fe, Non-Fe
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Infeed to MRF
Optical Sorting System
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Final Oxyom Product
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Inductively Coupled Plasma (ICP) Metals Testing
Parameter
Residential Direct Contact Standard (mg/kg)
Oxyom 1 8/24/2012 (mg/kg)
Oxyom 2 8/24/2012 (mg/kg)
Oxyom 38/24/2012 (mg/kg)
Oxyom 48/24/2012 (mg/kg)
Copper 3,100 23 28 24 22 Nickel 1,600 5.8 7.6 6.5 21.0 Selenium 390 ND ND ND ND Zinc 23,000 140 190 200 170 Silver 5,700 ND ND ND ND Cobalt 1,600 ND ND ND ND Manganese 11,000 72 87 86 84 Barium 16,000 210 280 270 240
Metals levels are 2-3 orders of magnitude below standards.
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TCLP Metals Oxyom 1 Oxyom 3Parameter TCLP (mg/kg) 8/24/12 8/24/12
Metals
Arsenic 5.0 ND NDBarium 100.0 ND NDCadmium 1.0 ND NDChromium 5.0 ND NDMercury 0.2 ND NDLead 5.0 ND NDSelenium 1.0 ND NDSilver 5.0 ND ND
Volatile and semi-volatile organics also ND
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Oxyom Characteristics
Parameter Value
Total Solids 69.0%Calcium (mg/kg) 170,000 Potassium (mg/kg) 3,400
Total Organic Nitrogen (mg/kg) 8,307
Total Kjeldahl Nitrogen (mg/kg) 8,500
Ammonia (mg/kg) 193 Phosphorous (mg/kg) 1,125 Moisture 30%
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Oxyom Product Market Position
Soil amendment
Calcium addition
Soil pH adjustment
Fertilizer
Fertilizer blending operations
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Capital CostsLow High
Land Building, Equip’t $4,350,000 $7,250,000
Oxalor System $10,000,000 $12,000,000
Engineering, Permitting, Soft Costs
$1,900,000 $2,500,000
Total $16,250,000 $21,750,000
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Landfill Diversion Potential
Recovery Rates (% of total MSW)
Low Average High
Oxyom 50.0% 52.5% 55.0%
Recovered Material 4.3% 7.0% 9.5%
RDF 17.3% 25.50% 27.50%
Residue 28.50% 15.00% 8.00%
Total Waste Diversion 71.6% 85% 92%
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Extensive Economic Scenario Analysis
At a tipping fee of $45/ton, analyzed economic viability using:Three material recovery ratesThree different recovered material revenue
assumptions (low, medium and high)
Extreme low tipping fees tested.
$0 revenue for Oxyom tested
Economic viability is probable in every scenario tested.
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FindingsThe Oxalor process successfully converts MSW to a
usable soil amendment, and recovers materials for recycling.
The technology is fairly simple.
Capital costs are significantly lower than other conversion technologies.
Both landfills and transfer stations can benefit from Oxalor through extension of useful life, or diversion of waste for disposal.
Would make significant progress towards 75% goal
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What’s Next
Discussions with FDEP indicate permitting is straightforward.
Project discussions being held with municipalities and private vendors in Florida, NJ, Ohio and other locations.
Collaboration with universities and agricultural extensions to explore product applications and facilitate independent peer review.
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Thank You!
ContactSandy Gutner(954) 495-6904www.value-addedllc.com
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