Download - Miles Biochar Production 02.07
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Production of Biochar
T R Miles Technical Consultants
The Promise of BiocharHarvesting Clean Energy
Kennewick, WAFebruary 7, 2009
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What is Biochar?
Biochar is a fine-grained, highly porous charcoal that helpssoils retain nutrients and water. IBI
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COLLINS
ICM
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What is Biochar?
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Biochar can have different qualities depending on feedstock and process conditions.
LEHMANN
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Product Value: What is Biochar Worth?
Agronomic Benefits
PLANT HEALTH -Inhibit root disease
SOIL STRUCTURE-Vermiculite substitution
NUTRIENT FILTER -Remediation
Ponderosa Pine in Soilless Media with Vermiculite (Left) and Biochar (Right)
2008
2009
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Northwest Biomass Sources and Biochar Markets
• Sources– Forest residues – slash, fuel
reduction, restoration– Crop residues – grain and grass
seed straw– Agricultural and Forest Industry
process residues– Urban wood waste
• Markets– Horticulture, nursery and urban
landscaping– Turf establishment and
maintenance– Soil remediation and storm water
nutrient management– Crops and soil amendment, e.g.
biochar + digested solids, composting
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Inspecting Seedlings Grown in Media with Biochar
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Sources and Products
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www.icminc.com/services/gasifiers
ICM GASIFIER
Wheat Straw or Corn Stover
Urban and Forest Wood Wood Char
Straw Char
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How biochar is made
REMOVE METAL
SIZING
DRYING CARBONIZINGGAS TO HEAT OR POWER
BIOCHAR
Pyrolysis: 3 DRY TON BIOMASS--> 1 TON BIOCHAR +16 MMBtu (1 MWhe)
Gasification: 8 DRY TON BIOMASS->1 TON BIOCHAR +100 MMBtu (6.3 MWhe)
GRIND
GRIND BIOMASS
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SCREEN
DENSIFY
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Dryer
SPJ-Pyrolyser
Char Cooler
Chiller
Condenser
OIL
CHAR
BIOMASS
Making Biochar and Oil: Spirajoule Pyrolysis
www.belt-o-matic.com
Heated Auger
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JF Biocarbon [email protected]
Pyrolysis: JF Biocarbon Systems
During Emissions Tests
Heated Augers
Mobil Demo System
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Pyrolysis: BEST Energies
www.bestenergies.com
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2 TPH
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Alterna Biocarbon Continuous Kiln TR Miles Technical Consultants, Inc.
alternabiocarbon.com11
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Making Biochar for Under $10,000,000
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Greenhouse, boiler, biochar Stirling Engine (DK)
Bioenergy LLC (RUS)Yuri Yudkevitch
HNEI Flash Carbonization
Alterna Biocarbon (CAN)Continuous Kiln
ICM
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Making Biochar for Less Than $1,000,000
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100 kWe 10% CharNorthern Excellence MN
U N Dakota EERC
3 MMBtuh Hot Water25% Char+Ash
GASIFIERSBOILERSCHAR MAKERS
COMMERCIAL AND BYPRODUCT BIOCHAR PRODUCTION
0.5 MMBtuh Hot Water25%-30% Char+Ash
CHaP (UK)60 KWe + 32 kg Char
Seed Screenings
Mobile PyrolysisBlack is Green (BIG) AUS
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Staged Combustion in a Greenhouse Boiler
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BoilerChain Grate Stoker
Burt’s GreenhousesOntario, CANAlex EnglishNE Biochar Symposium 2009
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Biochar Engineering B-1000 Gasifier
www.biocharengineering.com
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Making Biochar for Under $30,000
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ADAM RETORT (Pakistan) 1 T Batchwww.biocoal.org
New England Biochar Reactor 1 T BatchHeat recovery for 5,000 ft2 greenhouse
newenglandbiochar.org
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Making Biochar for Under $1000
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SIMPLE CHAR KILNFolke Gunther
Max HendersonKelpie Wilson
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Small Batch Barrel Kilns
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“SHOT GUN” BARREL KILN
New England Biocharnewenglandbiochar.org
“TIN MAN” BARREL KILN
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Char From Top Lit Updraft Gasifiers• Batch load.
• Gases burn above fuel.
• Heat from flame and partial burning drives volatile gases from fuel.
• Char remains after volatiles burn
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ARTI IndiaChar Barrel
Pellet GasifierChrista Roth
BioChar Cook Stove
Seachar.org
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Summary
• Large and small scale pyrolysis and gasification technologies for making biochar are available and under development.
• Biochar can be an important byproduct of gasification or combustion.
• Large production facilities are planned but not yet in operation.
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www.biochar.bioenergylists.org
TR Miles Technical Consultants, Inc.1470 SW Woodward WayPortland, OR 97225 [email protected] mobile
Design and development of energy and environmental processes
IndustriesBiomass energyPollution controlMaterials handlingFeed, Food and Fuels
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Links
• Northeast Biochar Symposium 2009 http://www.nsm.umass.edu/biochar09/presentations/Mass_Biochar_2.pdf
• Pacific Northwest Biochar www.pnwbiochar.org
• International Biochar Initiative
biochar-international.org
• Bioenergylists.org biochar.bioenergylists.org
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