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Second Generation SolidBiofuels and Steam Explosion
Ryan Davis - Technical Manager, Zilkha Biomass
Wood Bioenergy ConferenceAtlanta, GAApril 5, 2016
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Topics and Focus
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2nd Generation Solid Biofuels – A Real Solution for Coal Plants
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Role of Advanced Solid Biofuels in Utility Industry
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*Approximate scale
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Role of Advanced Solid Biofuels in Utility Industry
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Test burns in Canada, UK and Europe50,000 mt Stored Outdoors in EuropeOutdoor Pellet Storage and Loading in USA Roller Mill Testing
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2nd Generation Technologies
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Zilkha Biomass History and Progress
E & P Zilkha Energy (1983-1998)
WIND Zilkha
Renewables (1998-2005)
BIOENERGY Zilkha
Biomass (2006)
Commercial Production
>100,000 mt
Pilot Testing
Process Design
Selim Zilkha
Michael Zilkha
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Selma Plant Has Now Started Commercial Operations
Zilkha Steam Explosion Island
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First Black Pellets from Selma
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Steam Exploded Black Pellets
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HANDLING: Black pellets are water-resistant
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Logistics
Loads and Piles Like Coal, No Problem with Rain
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Shipping
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End Result: A Direct Replacement for Coal
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Adding Steam Explosion to Convert White to Black
Pellet Coolers
Chipyard
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Feedstock, Conditioned, and Pelletized
Feedstock
ConditionedPelletized
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Black Pellet Batch Process
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Zilkha Batch Technology
3-D CAD Design As-Built
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Resizing, Drying, and Steam Explosion
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Pelletizing and Truck Loading
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Port Operations in Alabama
Pellets unloaded in truck dumpPellets stored in barges
(>1500 mt)
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Barges Fleeted Prior to Mid-Streaming Onto Ships
Barge Fleeting
Area
Mid-streamShip Loading
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Safety Lessons Learned from White Pellets
Source: Melin, Safety in Handling Wood Pellets, 2008.
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Self Heating Tests
Self
Heating
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UBC: Dangerous Gas Emissions Greatly Reduced
Less methane:
WHITE
BLACK
Less carbon monoxide:
WHITE
BLACK
More oxygen:
BLACK
WHITE
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Solid Fuel Management Plans
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Biomass Risks Are Black Pellet Advantages
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Zilkha Black Pellet Stockpiles in Europe
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Zilkha Black Pellet Outdoor Storage Experience
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Zilkha Black Pellet Outdoor Storage Experience
Coal
Black Pellets
Denmark France On the Coal Pile Outdoors
in the Rain
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Black Pellets Can Use Coal Dust Controls
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Industry Lessons
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Black Pellet Licensing Program
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Valmet Partnership
JOINT GLOBAL MARKETING
(formerly ‘Metso’)
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Continuous steam explosion Plant
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Continuous steam explosion system
Surge bin hopper
Plug screw feeder
Vertical Continuous Reactor
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Vertical Reactor installation
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Digesters and Reactors for wood
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Summary
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Thank You
![PRESS Released March 8 2019 - Steve Davis...Steve Davis Steve Davis [Trombone] Joshua Bruneau [trumpet, flugelhorn] , Wayne Escoffery [tenor], Xavier Davis [piano], Dezron Douglas](https://img.pdfslide.us/doc/110x75/60c7fc8b13d598428359d9b1/press-released-march-8-2019-steve-davis-steve-davis-steve-davis-trombone.jpg)
