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Review of Biomass Size Reduction Technology

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan www.asabe.org

Citation:  Paper number  036077,  2003 ASAE Annual Meeting . (doi: 10.13031/2013.15454)
Authors:   Manlu Yu, Alvin R. Womac, Lester O. Pordesimo
Keywords:   Particle size reduction, hammermill, shearing, rollermill, tip speed, power requirement, screen size, clearance, densification, density and moisture

Biomass size reduction is an important step in biomass densification and this article reviews reduction studies. Hammermilling technology had the advantage of low maintenance over other methods including crushing, shearing and rollermilling. A review of equipment design parameters showed that hammermill tip speed, power requirements, grinding rate, screen size, and clearance affect performance to varying degrees. The effects of biomass tensile and shear properties, moisture content, and biomass density were noted in size reduction processes.

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