Now showing items 1-10 of 12
Long-term soil productivity and sustainability of forest harvest residue harvesting
Forest harvesting intrinsically removes organic matter and associated nutrients; these exports may impact soil productivity of managed forests. We will examine the effects of removing forest floor and harvest residues on ...
'Woods-to-Wake' life cycle assessment of residual woody biomass based jet-fuel
The residual woody biomass (a.k.a harvest slash) produced during forest harvest operations in the Pacific Northwest, is generally burned in the forest or left on the forest floor to decompose. Drop-in biofuel production ...
Decision support for forest harvest residue collection
Forest harvest residues are often available at roadside landings as a byproduct of the log manufacturing process. This residue is usually available for renewable energy production if desired, however there is a significant ...
Process Design and Economics for Biochemical Conversion of Softwood Lignocellulosic Biomass to Isoparaffinic Kerosene and Lignin Co-products
This techno-economic analysis has been prepared for a greenfield integrated biorefinery to produce renewable jet fuel and co-products from softwood forest harvest residuals.
Wood to Wing: The Economics of a Wood-Based Biorefinery in Longview, Washington
This flier describes the economic considerations from a potential biorefinery based in Longview WA.
Production of 1,000 Gallons of Biojet in the NARA Consortium
This report describes the steps and conditions used to produce 1,000 gallons of biojet fuel made from forest residuals.
Soil Carbon Analysis
This report assesses the carbon and nitrogen concentrations and stump density in thinned or harvested Douglas-fir plantation forests.
Feedstock Sourcing: NARA Years 4-5
The report characterizes the varied forest residual feedstock samples assessed during the NARA project and explores economic sensitivity to key characteristics (size, moisture, chemical composition).
Process Engineering Analysis of Alternatives in the Gevo Ethanol to Olefin Process
Gevo has developed a process for the conversion of ethanol to olefins, in particular propylene and isobutylene. In May of 2015 Gevo process engineering completed a process model and cost estimate for a complete process ...
Feedstock Sourcing: NARA Years 1-3
(Northwest Advanced Renewables Alliance, 2015)
This report was completed by Weyerhaeuser staff and evaluates the cost and quality of softwood forest residual feedstock in the Pacific Northwest used to produce bio-jet fuel and co-products.