Grinding Woody Biomass

Tub grinder processing woody debris for a power plant in East Texas.

By B. Jackson, R. Schroeder, S. Ashton, and EL Taylor

Grinders are machines that reduce woody biomass particles in size by repeatedly pounding them into smaller pieces through …

Shredding Woody BIomass

Woody biomass that has been shredded at a central processing facility

By B. Jackson, R. Schroeder, and S. Ashton

Shredders are slow-speed rip/shear devices, used widely in tire shredding. Material is pinched between rotating devices and ripped apart or sheared. …

Bundling Woody Biomass

John Deere 1490D Slash Bundler

By B. Jackson, EL. Taylor, R. Schroeder, and S. Ashton

One recent innovation involves the compaction of logging residues into cylindrical bales called composite residue logs (CRL) or biomass bundles (Johansson et al, 2006). CRLs …

Chipping Woody Biomass

B. Jackson, R. Schroeder, S. Ashton, and EL Taylor

Chippers are machines that cut material with a slicing action. They make up most of the woody biomass size-reduction equipment in use today and are characterized by high output, high speed …