Embed Size (px)
DESCRIPTION
Organic Waste Fuels Vehicle Fleet in Sacramento. Omni Resort June 24. 2014. Project Overview. Convert Food Waste to energy (fuel) and fertilizer. Divert organics from landfill Produce Low Carbon CNG V ehicle Fuel. Project Background. South Area Transfer Station Sacramento, CA - PowerPoint PPT Presentation
Citation preview
Building lifetime relationships with our clients and employees.
Organic Waste Fuels Vehicle Fleet in Sacramento
Omni ResortJune 24. 2014
• Convert Food Waste to energy (fuel) and fertilizer.
• Divert organics from landfill
• Produce Low Carbon CNG Vehicle Fuel
Project Overview
Project Background
South Area Transfer Station Sacramento, CA
Unused siteSacramento County RFPClean World and Atlas Disposal were awarded the project BioCNG selected for biogas to vehicle fuel upgrading
Public-private partnership• Clean World owns and operates the digester• Atlas Disposal owns the CNG fueling station
3
SATS Site
Before After
Feedstocks
Source-separated organicsOff-spec. packaged food25 Tons per day- recently expanded to 100 TPD capacity
Pre-processing Technology
DODA System
• Removes Contaminants
• Grinds and slurries wastes
• De-packages off-spec food.
Anaerobic Digestion Process
Anaerobic Phased Solids
• Separate hydrolysis and methane formation
• 3 tank system
• Thermophilic temperature
• High Solids ( 25%) Capability
Biogas to Vehicle Fuel
Biogas/Vehicle Fuel Benefits
• Significant savings over gasoline and diesel
• Lock in future fuel cost long term
•“Greenest” fuel resulting in a significant carbon footprint reduction
• Complies with CNG fuel specs and engine warranties
11
Biogas Treatment Requirements/Considerations
Hydrogen Sulfide Removal
Gas Compression
Moisture Removal
Siloxane/VOC Removal
Carbon Dioxide Removal
Fuel Requirements:• Engine Manufacturers Specifications, SAE J1616
13
Skid-mounted BioCNG 100Currently handling 50-75 scfm Produces the equivalent of 330 to 400 gallons of diesel fuel per day* Phase 2 increases production up to 1,400 DGE
*All biogas produced by the Clean World digester is currently being processedfor vehicle fuel.
Package Engine Generator
• Operates in parallel with vehicle fuel production
• Includes gas conditioning
• A portion of waste gas from fuel production will go to the generator.
CNG Fueling Station
250 psig “buffer” storage
4,500 psig CNG storage
Fast-fill dispensers
Diesel CNG RNG-Landfill RNG- Dry AD RNG- Wet AD RNG-WWTP*-80
-60
-40
-20
0
20
40
60
80
100
120
95
75
13
-15
-48
-65
Carbon Intensity for Fuels and Renewable SubstitutegCO2e/MJ
Fuel Type and Pathway
Carb
on In
tens
ity
5,000 10,000 15,000 20,000 25,000 30,000 35,000 40,000 45,000 50,0000
50
100
150
200
250
300
Diesel
BioCNG
Miles Driven (x1000)
CO
2e E
mis
sion
s (to
ns)
Garbage Truck
Municipal Sweeper
Transit Buses
Regional Freight Truck
Bio-CNG v. Diesel Emission Reductions 10 garbage trucks converted from diesel to Bio-CNG – reduce 1,000+ tons CO2e annually
Federal Renewable Fuel Standard Credits• Renewable Identification Numbers (RINs)
• Means to track, register and monetize environmental attributes of alternative vehicle fuels
• Available through 2022
• Direct payment from producers– not a tax credit
• The Advanced Biofuel (D-5) RIN is currently trading
at $0.52= $0.87/ DGE
19
California Low Carbon Fuel Standard
• CARB digester pathway= -15g/MJ carbon intensity• Compared to diesel net carbon credit 110g/MJ
• $40/ton CO2=$ 4.64/decatherm (MMBtu)
• $0.60/ DGE
A Success Story
A Productive Partnership
Clean World
Atlas Disposal
BioCNG
Advanced Technology
A Growing Business
Multiple Environmental Benefits
Thank YouJay Kemp, PE, BCEE
Engineering [email protected]
Katie Oliver-Applications [email protected]
22
24
