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Bioresour Technol. 2013 Dec;150:367-76. doi: 10.1016/j.biortech.2013.10.018. Epub 2013 Oct 14.

A techno-economic analysis of using mobile distributed pyrolysis facilities to deliver a forest residue resource.

Author information

  • 1Institute for Integrated Energy Systems, Department of Mechanical Engineering, University of Victoria, PO Box 3055 STN CSC, Victoria, BC V8W 3P6, Canada. Electronic address: drbrown@uvic.ca.

Abstract

Distributed mobile conversion facilities using either fast pyrolysis or torrefaction processes can be used to convert forest residues to more energy dense substances (bio-oil, bio-slurry or torrefied wood) that can be transported as feedstock for bio-fuel facilities. Results show that the levelised delivered cost of a forest residue resource using mobile facility networks can be lower than using conventional woodchip delivery methods under appropriate conditions. Torrefied wood is the lowest cost pathway of delivering a forest residue resource when using mobile facilities. Cost savings occur against woodchip delivery for annual forest residue harvests above 2.5 million m(3) or when transport distances greater than 300 km are required. Important parameters that influence levelised delivered costs are transport distances (forest residue spatial density), haul cost factors, and initial moisture content of forest residues. Relocating mobile facilities can be optimised for lowest cost delivery as transport distances of raw biomass are reduced.

Copyright © 2013 Elsevier Ltd. All rights reserved.

KEYWORDS:

Bio oil; Fast pyrolysis; Forest residue; Mobile; Torrefaction

PMID:
24185419
[PubMed - indexed for MEDLINE]
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