Biomass Feasibility Project Final Report - Xcel Energy

o
Manure inventories are based on NASS county level livestock inventories. While
these data are not complete, they allow for a rough estimate of actual animal
populations and manure production using assumptions based on common
industry practices.
Hog Manure
• Material Characteristics
o (Jensen, Timpe, and Laumb, 2003)
ANIMAL PROCESSING WASTES
Major Sources
• Material Characteristics
o (Dozier, 2002)
• Inventory/Availability
o
Rendered products were estimated through the use of USDA county level
inventories of relevant livestock. From those inventories the USDA’s mortality ratio
and the individual ratios of rendered products to the total production of rendered
products were used to estimate the county level availability of each rendered
product.
• Prices
o (UME, 2006)
o (Schroeder, 2006)
OTHER WASTE STREAMS
Landfill Gas
• Material Characteristics
o (PCA, 2006)
• Inventory/Availability
o (PCA, 2006)
Municipal Solid Waste (MSW)
• Material Characteristics
o (EIA 2007)
o (Foth & Van Dyke and Associates, 2006)
• Inventory/Availability
o (PCA, 2006)
o (Foth & Van Dyke and Associates, 2006)
WWTP Sludge Waste
• Material Characteristics
o (Kokmen, 1999)
• Inventory/Availability
o (DuFresne, 2005)
Page D-8
Identifying Effective Biomass Strategies:
Quantifying Minnesota’s Resources and Evaluating Future Opportunities