case study: follow-up on keene, nh landfill gas-to … · case study: follow-up on keene, nh...
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CASE STUDY: FOLLOW-UP ON KEENE, NH LANDFILL GAS-TO-ENERGY PROJECT
January 17 – 19, 2012 15TH ANNUAL LMOP CONFERENCE AND PROJECT EXPO
DAVID E. ADAMS, P.E.
Building Trust. Engineering Success.
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Public-Private Partnership
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Keene Recycling & Solid Waste Transfer Facility
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Proximity to Landfill
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Landfill Gas-to-Energy
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GCCS Evaluation CES-Landtec
GEM 2000
Elkins Earthworks
Envision
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Innovative Approach - LFGMS
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2009 GCCS Improvements
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2010 GCCS Improvements Limit air intrusion:
Replace quick-connect fittings at each gas well (GW-1 through GW-17)
Replace Kanaflex hoses and/or hose clamps Repair boot seals
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0
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2005 2010 2015 2020 2025 2030 2035
LFG
Col
lect
ion
Rat
e (s
cfm
)
Year
Keene Municipal Landfill
Five Sets of Landfill Gas Collection Rate Modeling Results Assumed Collection Efficiency of 75 Percent
NSPS (Lo=170,k=0.05)
Lo=120,k=0.06
Lo=120, k=0.05
Lo=120, k=0.04
AP-42 (Lo=100,k=0.04)
LFG Collection Rate Projections
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2011 Landfill Gas Pump Test
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2011 Landfill Gas Pump Test
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2011 Landfill Gas Pump Test
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2011 Landfill Gas Pump Test
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2011 Landfill Gas Pump Test
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2011 Landfill Gas Pump Test
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