Now showing items 21-40 of 154

  • Long-term soil productivity and sustainability of forest harvest residue harvesting 

    Hatten, Jeff; Holub, Scott (10/10/2015)
    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 ...
  • Estimating forest residue for biomass production 

    Boston, Kevin (10/13/2015)
    The webinar begins by describing the biomass supply chain and the issues with its management. This will lead to motivation of why measurement of forest residues is necessary for its successful management. The seminar then ...
  • Decision support for forest harvest residue collection 

    Sessions, John; Zamora-Cristales, Rene (10/15/2015)
    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 ...
  • Characterization of forest residuals for bio-jet fuel production 

    Marrs, Gevan (10/19/2015)
    Softwood feedstock samples collected throughout the Pacific Northwest have been characterized for carbohydrate, lignin, and extractives content. Some of the samples have received exhausting testing through pretreatment, ...
  • 'Woods-to-Wake' life cycle assessment of residual woody biomass based jet-fuel 

    Ganguly, Indroneil (10/21/2015)
    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 ...
  • Northwest Advanced Renewables Alliance: Creating Lasting Impacts for Our Future 

    Northwest Advanced Renewables Alliance (10/27/2017)
    This graphic summarizes NARA's commitment to education via publications, conferences, mailings, new stories, blog posts, classes, and more.
  • NARA Newsletter, Volume 3.11 

    Northwest Advanced Renewables Alliance (11/1/2014)
    This newsletter includes the following articles: Ranking potential biorefinery and depot sites for a wood to biofuel supply chain; NARA and Pacific Northwest Tribes; Harvesting valuable chemicals from fermented sugars; and ...
  • TPO harvest residue information and forest market models for biorefinery siting potential 

    Morgan, Todd; Latta, Greg (11/19/2015)
    NARA scientists have focused on building supply chain solutions demonstrating forest harvest residues as a viable source of woody feedstock for production of biojet. A key aspect in supply chain logistics is biorefinery ...
  • NARA Newsletter, Volume 1.2 

    Northwest Advanced Renewables Alliance (12/1/2012)
    This newsletter includes the following articles: NARA 2012 annual meeting: One year stronger and ahead to year two; Pretreatment: The first chemical treatment in the wood to biojet/co-product conversion; and Summer ...
  • NARA Newsletter, Volume 2.9 

    Northwest Advanced Renewables Alliance (12/1/2013)
    This newsletter includes the following articles: SAVE THE DATE: NARA Will Sponsor A Northwest Wood-Based Biofuels + Co-Products Conference In April 2014; Biofuels Knowledge Gets Placed In The Classroom; and Understanding ...
  • NARA Newsletter, Volume 3.12 

    Northwest Advanced Renewables Alliance (12/1/2014)
    This newsletter includes the following articles: NARA's 2014 peer-reviewed publications; Packing forest residues for transport; and Dilute acid pretreatment on Douglas-fir residuals.
  • NARA Newsletter, Volume 4.9 

    Northwest Advanced Renewables Alliance (12/1/2015)
    This newsletter includes the following articles: Measuring soil nutrient levels of intensively harvested forests; NARA students present findings for Olympic Peninsula biomass users; and NARA introduces Webinar Series.
  • NARA Newsletter, Volume 2.1 

    Northwest Advanced Renewables Alliance (2/1/2013)
    This newsletter includes the following articles: Landscape planning on a large scale: Confederated Salish and Kootenai Tribes partner with NARA; Garbage in — Fuel out; and NARA’s Long Term Sustainability Research.
  • NARA Newsletter, Volume 3.2 

    Northwest Advanced Renewables Alliance (2/1/2014)
    This newsletter includes the following articles: Lowering the cost of hauling forest residuals; Registration Open and Speakers Set for PNW Biofuels Conference; and Forest Residuals to Biojet Fuel: Environmental Impacts and ...
  • NARA Newsletter, Volume 4.2 

    Northwest Advanced Renewables Alliance (2/1/2015)
    This newsletter includes the following articles: Teacher professional development for energy literacy; Putting “sustainability” in energy education; and Wood-to-alcohol conversion technology suitable for a pulp mill retrofit.
  • NARA Newsletter, Volume 5.2 

    Northwest Advanced Renewables Alliance (2/1/2016)
    This newsletter includes the following articles: NARA will host a wood-based biofuels conference; Environmental impact of a slash to sugar supply chain; and Sugar yields from two feedstock sources.
  • Stochastic simulation and optimization of mobile chipping economics in processing and transport of forest biomass from residues 

    Zamora, R.; Boston, K.; Sessions, J.; Murphy, G. (Silva Fennica, 2013)
    We analyzed the economics of mobile chipping and transport of biomass from forest residues for energy purposes under uncertainty. A discrete-event simulation model was developed and utilized to quantify the impacts of ...
  • Northwest Advanced Renewables Alliance, 1st Cumulative Report, August 2011-March 2013 

    Northwest Advanced Renewables Alliance (2013-03)
    This report covers activities by the Northwest Advanced Renewables Alliance (NARA) from August 2011-March 2013, covering its organizational structure, key partnerships, and strategic goals. The report includes updates on ...
  • Clean Sugar and Lignin Pretreatment Technology 

    Gao, Johnway; Neogi, Amar (Northwest Advanced Renewables Alliance, 2014)
    In this report, researchers evaluate the use of wood milling as a pretreatment step for sugar hydrolysate production from Douglas-fir forest residuals.
  • Feedstock Analysis for Poplar Plantations within the Western Montana Corridor 

    Bourque, Andrew; Stanton, Brian; Turland, John; Shuren, Richard (Northwest Advanced Renewables Alliance, 2014)
    This report was conducted by GreenWood Resources and examines the opportunity for poplar biomass plantations to supplement the supply of biomass originating as logging and thinning residues from coniferous stands in western ...