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Nexterra’s Future with RDFGasification and Syngas Technologies Conference Vancouver BC
October 2016
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Business Overview
Founded in 2003,
Built nine plants
Two plants under construction
Systems operating on hog fuel,
forest residuals, and construction
and demolition (C&D) waste wood
Business Description North American Projects
Prince George, BC
UNBC
Heffley Creek, BC
Tolko Plywood MillVancouver, BC
UBC
Victoria, BC
Dockside Green
New Westminster, BC
Kruger
Battle Creek, MI
VA Battle Creek
Columbia, SC
USC
Oak Ridge, TN
Oak Ridge Nat’l Lab
UK Projects
Built
Under Construction
Commissioning
Tyseley, UK
Birmingham Bio Power
Northamptonshire, UK
Welland Waste Wood
Plymouth, UK
Dartmoor Bio Power
Built
Under Construction
Commissioning
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zFirst CHP Plant with IC Engine
2012
Robust Roadmap and a History of Firsts
First Plant, Pilot Plant (8’ Gasifier)
2004
First Project with Ownership
2015
First 16’ Gasifier at Institutional Site
2007
First Commercial Plant (14’ Gasifier)
2006
Key Milestones
First 20’ Gasifier Operational
2014
2013First Bankable, Power to the Grid Project
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Current Market Focus - UK
Nexterra qualifies for ACT
Landfill tax
High power prices
Plentiful feedstock
Nexterra track record
Nexterra right sized
capacity
Partnerships with
developers, EPCs and
investors
Closed three waste wood
projects
More to come
Market Drivers Initial Market Success
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Industry Trends – A Drive to RDF Feedstocks
RDF is the next feedstock for Nexterra
Key drivers promoting gasification of RDF using Nexterra technology:
Growth in circular economy making incineration and landfilling less desirable
Transition towards community scale plants (volumes of waste decreasing)
Rising tipping fees for waste
Tightening air emission guidelines
Growing need for baseload renewable power
Nexterra believes that with current UK tipping fees, RDF projects can be viable without
subsidy
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Technical Evaluation of RDF vs. Waste Wood
Class A – C Waste Wood RDF
Consistency Homogenous Heterogeneous
Components Wood Plastic, organics, fabric,
paper, wood etc.
Moisture Content 15 – 30% 10 – 40%
Average NCV (MJ/kg) 14 - 18 9 - 20
Chlorine 0.01 - 0.25% Up to 1.8%
Sulfur 0.01 – 0.25% Up to 0.9%
Ash 0 – 5% 5 – 30%
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Key Technical Questions with RDF
Objective is to process RDF in Nexterra gasifier with few changes to proven
gasification platform.
Key technology questions for RDF gasification include:
Can feed system deliver RDF into gasifier?
Will critical pile geometry be maintained?
Will ash clinker and plug gasifier?
Can system handle contaminants in feedstock (eg chlorine)?
Can we meet UK/Euro emission regulations (IED)?
Any restraint on design capacity?
Only way to answer questions is with testing and demonstration
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Nexterra Product Development Centre (PDC)
Nexterra PDC
Commissioned in 2004
~16,000 hours of operation
Waste wood, virgin wood and chips
Plant Modes of Operation
Indirect Fired (ie. UK configuration)
Direct Fired (Lime Kiln or Boiler burners)
Gas Cleanup (engine or remote burners)
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Testing Program
Phase 1 - Feed Table Testing (2 Weeks) - Complete
Successful transport and feeding of RDF fuel
Good cold pile formation
Phase 2 – Gasification Trials (2 Weeks) – Oct 17
Successful gasification and ash flow
Target system output (PAHRR)
Verify emissions (without abatement)
Phase 3 – Optimization (2 – 4 Weeks)
Process Optimization
Stakeholder monitoring, investigation and evaluation
Phase 4 – Reporting and Commercial Analysis
3rd party emission test results
Recommendations for commercial plant design
Feed Table Test
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Commercialization Plan
Extensive 3rd party validation of RDF trials
Focus on feedstock preparation required to meet gasification system
specification
Build first system with dual fuel capability. Finance on waste wood. Waste wood
guarantees.
Focus on UK market with existing partners and supply chain. Lower risk. Expand
later
Replicate with partners
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RDF Testing
Testing apparatus for new feedstock
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RDF Testing
Feeding RDF to full scale horizontal feed screw
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RDF Testing
Feeding RDF to full scale horizontal feed screw
13 │ Private &
Confidential
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RDF Test Results
RDF emerging from top of full scale cone
14 │ Private &
Confidential
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RDF Test Results
RDF forming correct pile shape for optimum gasification
15 │ Private &
Confidential
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RDF Testing to do
Gasification trials on now, completing end of October
So far so good: feeding, gasification, and ash removal
More run time and analysis required
Trials being witnessed by three engineering firms, two EPC contractors, others
Nexterra expects clear validation of its technology on RDF
16 │ Private &
Confidential
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Summary
Compelling business case to prove out technology on RDF
Physical and chemical properties are similar to waste wood
Nexterra systems operate on waste wood
Test results promising for RDF
Ready to build first dual fuel plant
17 │ Private &
Confidential
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1818 │ Private &
Confidential
Thank You
Please visit our website: www.nexterra.ca