A Technical Review on Biomass Processing: Densification, Preprocessing, Modeling and Optimization

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It is now a well-acclaimed fact that burning fossil fuels and deforestation are major contributors to climate change. Biomass from plants can serve as an alternative renewable and carbon-neutral raw material for the production of bioenergy. Low densities of 40–60 kg/m3 for lignocellulosic and 200–400 kg/m3 for woody biomass limits their application for energy purposes. Prior to use in energy applications these materials need to be densified. The densified biomass can have bulk densities over 10 times the raw material helping to significantly reduce technical limitations associated with storage, loading and transportation. Pelleting, briquetting, or extrusion processing are commonly used ... continued below

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Tumuluru, Jaya Shankar & Wright, Christopher T. June 1, 2010.

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It is now a well-acclaimed fact that burning fossil fuels and deforestation are major contributors to climate change. Biomass from plants can serve as an alternative renewable and carbon-neutral raw material for the production of bioenergy. Low densities of 40–60 kg/m3 for lignocellulosic and 200–400 kg/m3 for woody biomass limits their application for energy purposes. Prior to use in energy applications these materials need to be densified. The densified biomass can have bulk densities over 10 times the raw material helping to significantly reduce technical limitations associated with storage, loading and transportation. Pelleting, briquetting, or extrusion processing are commonly used methods for densification. The aim of the present research is to develop a comprehensive review of biomass processing that includes densification, preprocessing, modeling and optimization. The specific objective include carrying out a technical review on (a) mechanisms of particle bonding during densification; (b) methods of densification including extrusion, briquetting, pelleting, and agglomeration; (c) effects of process and feedstock variables and biomass biochemical composition on the densification (d) effects of preprocessing such as grinding, preheating, steam explosion, and torrefaction on biomass quality and binding characteristics; (e) models for understanding the compression characteristics; and (f) procedures for response surface modeling and optimization.

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  • 2010 ASABE Annual International Meeting,David L. Lawrence Convention Center, Pittsburgh, Pennsylvania,06/20/2010,04/23/2010

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  • Report No.: INL/CON-10-18636
  • Grant Number: DE-AC07-05ID14517
  • DOI: 10.13031/2013.29874 | External Link
  • Office of Scientific & Technical Information Report Number: 984550
  • Archival Resource Key: ark:/67531/metadc1014362

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Office of Scientific & Technical Information Technical Reports

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  • June 1, 2010

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  • Oct. 14, 2017, 8:36 a.m.

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  • Nov. 3, 2017, 5:25 p.m.

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Tumuluru, Jaya Shankar & Wright, Christopher T. A Technical Review on Biomass Processing: Densification, Preprocessing, Modeling and Optimization, article, June 1, 2010; Idaho. (digital.library.unt.edu/ark:/67531/metadc1014362/: accessed June 24, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.