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Title Forest biomass diversion in the Sierra Nevada: Energy, economics and emissions
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Abstract

As an alternative to open pile burning, use of forest wastes from fuel hazard reduction projects at Blodgett Forest Research Station for electricity production was shown to produce energy and emission benefits: energy (diesel fuel) expended for processing and transport was 2.5% of the biomass fuel (energy equivalent); based on measurements from a large pile burn, air emissions reductions were 98%-99% for PM2.5, CO (carbon monoxide), NMOC (nonmethane organic compounds), CH4 (methane) and BC (black carbon), and 20% for NOx and CO2-equivalent greenhouse gases. Due to transport challenges and delays, delivered cost was $70 per bone dry ton (BDT) — comprised of collection and processing ($34/BDT) and transport ($36/BDT) for 79 miles one way— which exceeded the biomass plant gate price of $45/BDT. Under typical conditions, the break-even haul distance would be approximately 30 miles one way, with a collection and processing cost of $30/BDT and a transport cost of $16/BDT. Revenue generated from monetization of the reductions in air emissions has the potential to make forest fuel reduction projects more economically viable.

Authors
Springsteen, Bruce : B. Springsteen is Senior Engineer, Placer County Air Pollution Control District, Auburn, CA
Christofk, Thomas : T. Christofk is Air Pollution Control Officer, Placer County Air Pollution Control District, Auburn, CA
York, Robert A. : R. York is Research Stations Manager, UC Center for Forestry, and Adjunct Assistant Professor of Forestry, Department of Environmental Science, Policy, and Management, UC Berkeley
Mason, Tad

Baker, Stephen : S. Baker is Chemist, USFS Rocky Mountain Research Station Missoula Fire Lab, Missoula, MT
Lincoln, Emily : E. Lincoln is Chemist, USFS Rocky Mountain Research Station Missoula Fire Lab, Missoula, MT
Hartsough, Bruce R
Professor and Associate Dean (College of Engineering)
Harvesting short rotation plantations; handling small trees on steep terrain; mechanics and dynamics of forestry equipment, modeling and systems analysis of forest operations; forest biomass for energy.
Yoshioka, Takuyuki : T. Yoshioka is Research Assistant, Biological and Agricultural Engineering, UC Davis.
Publication Date Jul 1, 2015
Date Added Oct 12, 2015
Copyright © The Regents of the University of California
Copyright Year 2015
Description

In this case study, converting forest wastes to electricity had energy and emissions benefits but was not economically viable.

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