Download - Natural Gas Roundtable - BioCNG Presentation
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Renewable CNG Vehicle Fuel
Wisconsin Clean Cities NG Roundtable
October 23, 2014
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Presentation Overview
BioCNG Company Overview
Potential of Biogas Energy
City of Janesville
BioCNG Benefits
Q & A
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BioCNG Overview
BioCNG, LLC
Sales and Marketing for BioCNG
Formed in 2010-First system was piloted at the Dane
County Landfill in Madison WI
Headquarters in Madison, WI
Unison Solutions, LLC - Exclusive manufacturer of the
BioCNG system
Cornerstone Environmental Group-Engineering Services
Design
Project Management
Permitting
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Energy Values to Consider
Gasoline= 33.4 kWh/gallon energy content
$0.12/kWh @ $4.00/gallon
CNG
$0.07/kWh@ $2.50/gasoline gallon
equivalent (GGE)
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Energy Conversion
30 to 40% of biogas energy can be
converted to electricity
70 to 90+% of biogas methane can be
recovered as CNG vehicle fuel
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O & M Cost Example
Biogas upgrading= $0.36/GGE
CNG Fueling Station= $0.20/GGE
$0.56/GGE
$0.017/kWh Compare to co-generation.
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Characteristics of Biogas
Projects
Small scale producers of biogas
High quality, low contaminant gas
May have a captive vehicle fleet
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Trucks & Buses Shifting To CNG: Cleaner, Quieter & Cheaper Fuel Fleets, Communities & Drivers Love Them
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Gas Upgrading Technology
BioCNG 100 Gas Cleanup Skid
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Putting it All Together
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Project Sites
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City of Janesville, WI
WWTP Digester
100 gallons gasoline
equivalent storage
sphere.
Fill-up time
comparable to
conventional fuel
station.
Gas treatment and microturbines inside
Digester with gas storage
Chiller Compressor
Fuel dispenser
High Pressure
Gas Storage
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Persigo WWTP, Grand Junction CO
Pipeline
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South San Francisco Blueline
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South Transfer Station
Sacramento, CA
Clean World now has a BioCNG
100 and a BioCNG 200
commissioning this year.
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Biogas/Vehicle Fuel System
Information
System Size Biogas Inlet
Flow (scfm)
Fuel
Production (GGE/day)
Fleet Size Per Unit
Light duty Heavy duty
BioCNG 50 50 200-300 20-27 2-4
BioCNG 100 100 375-600 38-55 5-8
BioCNG 200 200 775-1200 77-110 11-17
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95
75
13
-15
-48
-65 -80
-60
-40
-20
0
20
40
60
80
100
120
Diesel CNG RNG-Landfill RNG- Dry AD RNG- Wet AD RNG-WWTP*
Carb
on I
nte
nsi
ty
Fuel Type and Pathway
Carbon Intensity for Fuels and Renewable Substitute gCO2e/MJ
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Biogas-to-CNG Benefits
• Green Fueling Infrastructure
– Distributed cleaner, greener infrastructure
• Greenhouse gas reductions
– Negative Carbon Intensity Pathway
• Homegrown Fuel
– Fuel savings (and credits) accrue to local public and private entities
– Infrastructure primarily from local sources - GC, electric,
construction, permitting, fueling station
• Significant cost savings
– 50-75% savings over current gas/diesel cost
• Control and distributed source
– Fuel cost locked in for 15-20 years
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Biogas-to-CNG Summary
Low cost fuel and fixed long term
Short-term pay back with w/RINS and credits
Compatible with all CNG infrastructure
Greenest fuel
Fits the scale of digester projects
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Questions