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terry hallinan

08/07/05 12:21 AM

#10934 RE: Jagman #10932

Terry, great idea! Use Ironwood trees for fuel

What are you going to use to cut them? :-)

Elm trees just fall down for you and seem to have the weight of marble.

Mitsui Babcock made the negative comments and they are in the biomass biz

Lumber companies are in the biomass business too. They supply the wood for the house people live in and apparently the blocks between some ears. Instead of just burning the sawdust for disposal, some have been generating electricity for decades.

Recent studies indicate that quantities of available (presently unused) mill and urban wood residues exceed 39-million dry tons per year in the U.S. This is enough material to supply more than 7,500 MW, doubling the existing U.S. bio-power capacity in the U.S. To illustrate this point, this amount of power could supply the yearly electricity demand of the residential customers in all six New England states.



Uses – Mill Residues

Mill residues from pulp and paper manufacturing, lumber mills, and other industrial wood users are frequently used for producing biomass electricity. These materials typically are very clean residues and can be used as fuel in a wide range of biomass and conventional combustion power systems. Currently, most mill residues are used to generate steam and electricity at the manufacturing facilities where they are produced. Urban wood residues consist of large quantities of urban wood waste presently sent to landfills. These include post-consumer wood products, broken wood pallets and crates, untreated clean construction and demolition debris, and ward-waste from trees are examples. Increasingly, urban wood residues are being diverted from landfill disposal at materials recovery facilities and are being co-fired with coal and other fuels, including combustible municipal garbage waste, to generate power. This clean wood also can be productively used in non-combustion biomass fuel production, chipped for landscape mulch products, or chipped or milled into “dust” and recycled for use in composite materials for industrial markets.

Uses – Other

Tree and yard trimmings and those generated from right-of-way trimming near roads, railways, and utility systems, also currently are sent to landfills....


http://www.agmrc.org/agmrc/commodity/biomass/sawdustshavingswoodwaste/sawdustprofile.htm

And so it goes.

Best, Terry