Southern Research Station

Title: Utilizing residues from in-woods flail processing

Author: Baughman, Ronald K.; Stokes, Bryce J.; Watson, William F.

Date: 1990

Source: In: Stokes, B.J., ed. Proceedings of the International Energy Agency, Task VI, Activity 3 Workshop, “Harvesting Small Trees and Forest Residues”; 1990 May 28; Copenhagen, Denmark. Auburn, AL: U.S. Department of Agriculture, Forest Service, Southern Forest Experiment Station; 1990: 21-30.

Description: A Barkbuster 1100 tub grinder has been employed to process debris discharged by a Manitowoc VFDD-1642. The machine successfully passed the material through a 7.62 cm screen and discharged the reduced debris into a chip van for transport. Fuel production is directly dependent upon the production of clean chips by the flail/chipper portion of the system and the available biomass of the stand. Clean chips were produced at 57 green tonnes/PMH with fuel yields of from 14 to 21 green tonnes/PMH. The usual disposal of flail residues is an additional cost charged to the clean chips; processing turns the residues into a positive cash flow.

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Citation

Baughman, Ronald K.; Stokes, Bryce J.; Watson, William F.  1990.  Utilizing residues from in-woods flail processing.   In: Stokes, B.J., ed. Proceedings of the International Energy Agency, Task VI, Activity 3 Workshop, “Harvesting Small Trees and Forest Residues”; 1990 May 28; Copenhagen, Denmark. Auburn, AL: U.S. Department of Agriculture, Forest Service, Southern Forest Experiment Station; 1990: 21-30.