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Energies 2017, 10(1), 25; doi:10.3390/en10010025

Analysis of Micronized Charcoal for Use in a Liquid Fuel Slurry

1
Department of Biosystems and Agricultural Engineering, Oklahoma State University, 111 Agricultural Hall, Stillwater, OK 74078, USA
2
Department of Biological and Agricultural Engineering, North Carolina State University, Campus Box 7625, Raleigh, NC 27695, USA
*
Author to whom correspondence should be addressed.
Academic Editor: Mejdi Jeguirim
Received: 21 September 2016 / Revised: 16 December 2016 / Accepted: 19 December 2016 / Published: 27 December 2016
(This article belongs to the Special Issue Biomass Chars: Elaboration, Characterization and Applications)
View Full-Text   |   Download PDF [2550 KB, uploaded 27 December 2016]   |  

Abstract

Yellow poplar (Liriodendron tulipifera) was chosen as the woody biomass for the production of charcoal for use in a liquid fuel slurry. Charcoal produced from this biomass resulted in a highly porous structure similar to the parent material. Micronized particles were produced from this charcoal using a multi-step milling process and verified using a scanning electron microscope and laser diffraction system. Charcoal particles greater than 50 µm exhibited long needle shapes much like the parent biomass while particles less than 50 µm were produced with aspect ratios closer to unity. Laser diffraction measurements indicated D10, D50, and D90 values of 4.446 µm, 15.83 µm, and 39.69 µm, respectively. Moisture content, ash content, absolute density, and energy content values were also measured for the charcoal particles produced. Calculated volumetric energy density values for the charcoal particles exceeded the No. 2 diesel fuel that would be displaced in a liquid fuel slurry. View Full-Text
Keywords: charcoal; slurry; diesel; biomass; biofuel; biochar charcoal; slurry; diesel; biomass; biofuel; biochar
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Long, J.M.; Boyette, M.D. Analysis of Micronized Charcoal for Use in a Liquid Fuel Slurry. Energies 2017, 10, 25.

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