Breaking the Kubernetes Kill Chain: Host Path Mount
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Stefan Grimberg: Energy From Cows, Biogas Digesters for Dairy Farms
1. Converting Dairy Manure into Energy. An introduction to anaerobic digestion of farm waste Stefan Grimberg Associate Professor Dept. Civil Environ. Eng Clarkson University
33. Digester Systems Model Digester Solids Sep. Cogen Manure Other Input Biogas Electricity offset Surplus electricity Surplus heat Spread liquid fraction Solids for bedding Sale of solids Solids field application Heat
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35. Model Estimate: 500 cow dairy -$1.8 Annual Net Benefit per Cow without excess heat and methane credits $13.54 Annual Net Benefit per Cow if excess heat cannot be sold $38.27 Annual Net Benefit per Cow $111,463 Total Annual Benefits $10,000 Onsite Fiber value $16,739 Tax Offset $8,495 Farm savings-Thermal (internal) $25,171 Farm savings-Electric (internal) $4,203 Renewable Energy Tax Credit $7,646 Methane Credit $12,368 Thermal Sales (surplus) $17,707 Electric Sales (surplus) $9,133 Fiber sales Potential Annual Benefits $23,553 Maintenance, Repair Annual Operating Costs $68,774 Total Annual Cap. Cost over 10 yrs $656,180 Digester/Cogen system Capital Cost Cost/Benefit Item