Informative Articles: Summary of performance of several digesters: |
Informative Articles: Summary of performance of several digesters: |
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Facility: AA Dairy |
Report Date: 01/06/00 By: R. Mattocks |
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Operation: 1000
Cow Complete Confinement currently operating with 500 cows 8000-10000 gpd
manure |
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Owner: AA
Dairy, Inc |
Contact: Bob Aman 607.659.3200 |
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Location: Candor, NY |
Utility: NYSEG |
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Reason for Construction: Odor control and reduce water quality risk. |
Construction Completion Date: 1998 |
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Digester design: Mesophilic Plug Flow with plastic liner top 120’ x 30’ 14’ |
Designer: RCM, Inc |
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Complete System Cost: $240,000 (40,000 engineering provided by AgSTAR) |
Annual O&M: Estimated $15,000/yr |
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Gas Production: 40,000 CF/day (4000 tons/year CO2 equiv) |
Energy Conversion Method: Caterpillar 3306, 130 kW generator |
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Electrical Energy Produced: 500,000 kWh/yr 60 kW |
Thermal Energy
Produced: 2500 MMBtu/yr (estimated) |
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Engine “up-time”: >95% |
Other products: Sells recovered fiber |
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Comments: |
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Facility: Haubenschild Dairy |
Report Date: 01/06/00 By: R. Mattocks |
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Operation: 1000
Cow Complete Confinement currently operating with 500 cows 8000-10000 gpd
manure. |
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Owner:
Haubenschild Farms, Inc |
Contact: Dennis Haubenschild 612.389.2867 |
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Location: Princeton, MN |
Utility: East Central Electric-selling 90% of production. |
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Reason for Construction: Odor control, reduce water quality risk, energy recovery and utilization. |
Construction Completion Date: 1999 |
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Digester design: Mesophilic Plug Flow with plastic liner top 130’ x 30’ x 14’ |
Designer: RCM, Inc |
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Complete System Cost: $250,000 ($40,000 engineering supplied by AgSTAR) |
Annual O&M: Estimated $7,500/yr |
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Gas Production: 40,000 CF/day (4000 tons/year CO2 equiv). |
Energy Conversion Method: Caterpillar 3406, 130 kW generator |
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Electrical
Energy Produced: 500,000 kWh/yr (annualized) 65-70 kW |
Thermal Energy
Produced: 2500 MMBtu/yr (estimated) |
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Engine “up-time”: >95% |
Other products: None |
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Comments: Recovered hot water used for floor heating in the parlor area, and will be used to heat alleyways in the new barn (under construction). Very happy with facility. Very frequent visitors. |
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Facility: Swine
USA |
Report Date: 01/06/00 By: R.
Mattocks |
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Operation: 5600
Sow Farrow to Wean 22,000 gpd manure. |
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Owner: Crestland
Coop. |
Contact: Gary
Weeda 515.782.3079 |
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Location: Thayer,
IA |
Utility: Clark
Electric Coop. |
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Reason for
Construction: Odor control |
Construction
Completion Date: 1999 |
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Digester design: Intermittent
mix, mesophilic 80’ x 60’ x 14’ |
Designer: RCM,Inc. |
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Complete System
Cost: $550,000 |
Annual O&M: $9000 (estimated) |
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Gas Production: 30,000
CF/day (3000 tons/yr CO2 equiv). |
Energy Conversion
Method: Caterpillar 3306 with a 80kW generator |
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Electrical Energy Produced: 70-80 kW 600,000
kWh/yr (annualized). |
Thermal Energy
Produced: 3300 MMBtu/yr (est) |
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Engine “up-time”: >90% |
Other products:
None |
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Comments: |
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Facility: Colorado Pork |
Report Date: 01/06/00 By: R. Mattocks |
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Operation: 5600 Sow Farrow to Wean 15000-18000 gpd manure. |
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Owner: Gary Swanson |
Contact No: 719.336.5882 |
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Location: Lamar, Colorado |
Utility: Southeast Colorado Power |
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Reason for Construction: Odor control |
Construction Completion Date: 1999 |
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Digester design: Intermittent mix, mesophilic |
Designer: RCM,Inc. |
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Complete System Cost: $250,000 ($40,000 engineering provided by AgSTAR). |
Annual
O&M: $6000 (estimated) |
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Gas Production: 30,000 CF/day (3000 tons/yr CO2 equiv). |
Energy Conversion Method: Caterpillar 3306 with a 80kW generator |
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Electrical
Energy Produced: 400,000 kWh/yr (annualized) 50-60 kW. |
Thermal Energy Produced: 2200 MMBtu/yr (est) |
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Engine “up-time”: >90% |
Other products: None |
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Comments: Part of a health department study. |
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