layne baroldi environmental and regulatory affairs supervisor orange county sanitation district ocsd...
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Layne BaroldiEnvironmental and Regulatory Affairs SupervisorOrange County Sanitation District
Layne BaroldiEnvironmental and Regulatory Affairs SupervisorOrange County Sanitation District
OCSD Case Study
Hydrogen from SewageOCSD Case Study
Hydrogen from SewageSCAP Energy Management Committee MeetingJuly 28, 2009
OCSD Service Area471 square miles220 million gallons per day2.5 million population21 cities, 3 special districts
568 miles sewer lines16 pumping facilities
2 treatment plants
Orange County,California
Orange County,California
PacificOcean
Ocean Pipeline
ReclamationPlant No. 1
ReclamationPlant No. 1
TreatmentPlant No. 2TreatmentPlant No. 2
NewportNewport Beach Beach
FountainFountainValleyValley
Santa AnaSanta Ana
Los Los AlamitosAlamitos
Buena Buena ParkPark
FullertonFullerton
TustinTustin
Garden GroveGarden Grove
La HabraLa HabraBreaBrea
PlacentiaPlacentiaYorba LindaYorba Linda
AnaheimAnaheimAnaheimAnaheim
OrangeOrange
La PalmaLa Palma
CypressCypress
WestminsterWestminster
IrvineIrvine
StantonStanton
VillaVillaParkPark
CostaCosta Mesa Mesa
HuntingtonHuntingtonBeachBeach
SealSealBeachBeach
Wastewater Plant DiagramWastewater Plant Diagram
PreliminaryTreatment
PreliminaryTreatment
SolidsReuse
SolidsDewatering
Central PowerGeneration System
Engines
Central PowerGeneration System
Engines
PrimaryTreatmentPrimary
TreatmentSecondaryTreatmentSecondaryTreatment
Effluent
Digestors
Influent
SolidsProcessing
SolidsProcessing
Full-scale Hydrogen Energy Station
Full-scale Hydrogen Energy Station
300kW molten carbonate fuel cell
From digester gas
Natural gas as a back up fuel source
Co-produce electric power, hydrogen and thermal energy
300kW molten carbonate fuel cell
From digester gas
Natural gas as a back up fuel source
Co-produce electric power, hydrogen and thermal energy
12-Month Study12-Month Study
Determine quantity and quality of hydrogen
Maximize electricity and hydrogen
Optimize process efficiency
Establish a hydrogenfueling station
Analyze data to determine economic and environmental benefits
Determine quantity and quality of hydrogen
Maximize electricity and hydrogen
Optimize process efficiency
Establish a hydrogenfueling station
Analyze data to determine economic and environmental benefits
Environmental GoalsEnvironmental Goals
Create an alternativeto gasoline
Governor’s “Hydrogen Highway”
Emissions reduction from digester gas combustion
Clean / renewable energy source
Create an alternativeto gasoline
Governor’s “Hydrogen Highway”
Emissions reduction from digester gas combustion
Clean / renewable energy source
DigestersNatural gas (backup)
DigestersNatural gas (backup)
Renewable H2 Energy Station VisionRenewable H2 Energy Station Vision
Biogas
TreatmentPlant
TreatmentPlant
Heat
PowerHeat
HydrogenFuelingStation
HydrogenFuelingStation
FuelCellSolids
TreatmentSolids
Treatment
Hydrogen Co-Production using MCFCHydrogen Co-Production using MCFC
Heat recovery Water gas shift Cooling and water recovery Hydrogen recovery Tailgas integration
Heat recovery Water gas shift Cooling and water recovery Hydrogen recovery Tailgas integration
WGS Shift
H2
Purification
Heat Exchangers
Air
Hydrogen
Biogas
Digester Gas Fed DFC® Power PlantsDigester Gas Fed DFC® Power Plants
Kirin Brewery, JapanKirin Brewery, Japan
Sierra Nevada Sierra Nevada Brewery, CABrewery, CA
Wastewater Treatment, Wastewater Treatment, Santa Barbara, CASanta Barbara, CA
Provided by:
VOCs – 250 to 30 ppm (88%) VOC – ND
NOx – 40 to 11 ppm (73%) NOx – 0.3 ppm
CO – 600 to 200 ppm (67%) CO – 10 ppm
VOCs – 250 to 30 ppm (88%) VOC – ND
NOx – 40 to 11 ppm (73%) NOx – 0.3 ppm
CO – 600 to 200 ppm (67%) CO – 10 ppm
Target Reduction Fuel Cell Reduction
Fuel Cells can contributeto reducing targeted emissions
Fuel Cells can contributeto reducing targeted emissions
Orange County Sanitation Districtwww.ocsd.comOrange County Sanitation Districtwww.ocsd.com
Layne Baroldi(714) 593-7456 lbaroldi@ocsd.com
Layne Baroldi(714) 593-7456 lbaroldi@ocsd.com
Central Power Generation Systemat Plant No .1
Central Power Generation Systemat Plant No .1
CNG FacilityCNG Facility
CNG DispensersCNG Dispensers
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