south davis sewer district and alpro energy & water...and alpro energy & water 1380 west center...
Post on 06-Feb-2021
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Turning Waste Organics Into Energy:Joint Venture between:
South Davis Sewer Districtand ALPRO Energy & Water
1380 West Center StreetNorth Salt Lake, UT 84054
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View from Charter schoolSouth Plant Nutrient Recovery ProjectSouth Davis Sewer District
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History• Dannon Yogurt
• Digest Solids from plant generate electricity• Corporate changed path
• Central Valley Sewer District• New egg digesters• 6 empty digesters• Use stranded equipment• Feedstock contracts
• South Davis Sewer District• Private vs Public vs Private Public Partnership
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PHASE 1 – Wasatch Resource Recovery & Nutrient Recovery
WASATCH RESOURCE RECOVERY PHASE 11 SCALES2 FOG RECEIVING3 SUBSTRATE RECEIVING4 SOURCE SEPARATED RECEIVING5 EXPIRED BEVERAGE RECEIVING6 HYDROLYSIS / EQ TANK7 ANAROBIC DIGESTERS8 CHEMICAL / NUTRIENT RECEIVING9 CAKE RECOVERY10 CAKE STORAGE11 ODOR CONTROL12 BIOGAS CONDITIONING13 COMPRESSION STATION
SOUTH DAVIS PLANT NUTRIENT RECOVERY14 BIO-SOLIDS DE-WATERING15 MIX / DARK TANK16 MIX / DARK TANK PUMP STATION17 GREENHOUSE / PHOTO BIO-REACTOR18 MEMBRANE BIO-REACTOR19 ALGAE DE-WATERING / DRYING20 OPERATIONS BUILDING21 STOCK CULTURE / PILOT SYSTEM
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Project Construction
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FUTURE PHASES
PHASE 21 FOUR ADDITIONAL MIX / DARK TANKS2 FOUR ADDITIONAL GREENHOUSES / PHOTO BIO-REACTORS3 DIGESTER CLEANING BASIN4 2 NEW ANAEROBIC DIGESTERS5 NEW HYDROLYSIS / EQ TANK6 5 NEW CO-GENERATION ENGINATORS W/SCRUBBERS7 NEW SCRUBBING PUMP STATION8 ADDITIONAL ALGAE DE-WATERING9 ALGAE REFINING PROCCESSES10 COMPOSTING AREA11 ADDITIONAL GAS SCRUBBING12 ODOR CONTROL
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OfftakesConstituent Phase 1 Phase 2
Methane 2500 Dekatherms per day 5000 Dekatherms per day
Carbon Dioxide from Gas Conditioning 75 tons per day 40 tons per day
Carbon Dioxide from Exhaust Scrubbing 0 25 tons per day
Carbon from Effluent and Pressate 3 tons per day 8 tons per day
Dewatered Digestate – Cake 40 dry tons per day 80 dry tons per day
Cake NPK 7:6:1 5:5:1
Nitrogen from Anaerobic Digestion 6,300 lbs. / day 12,500 lbs. / day
Nitrogen from WWTP 700 lbs. / day 700 lbs. / day
Phosphorus from Anaerobic Digestion 2,000 lbs. / day 4,000 lbs. / day
Phosphorus from WWTP 133 lbs. / day 133 lbs. / day
Algae Production 8,000 lbs / day 40,000 lbs. / day
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• Carbon Capture and Sequestration Tax Credits for Biomass 26 U.S. Code 45Q
• Tax credit of $15 (today) to $35 (2026) per metric ton of carbon-oxide captured.
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Wasatch Resource Recovery at Build-out.
�Slide Number 2HistorySlide Number 4Slide Number 5Project ConstructionSlide Number 7Slide Number 8Slide Number 9Slide Number 10Slide Number 11Slide Number 12Slide Number 13Slide Number 14Slide Number 15
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