BONDING AGENTS FOR FUEL PRODUCTS, METHODS OF THEIR PREPARATION AND PRODUCTS PRODUCED THEREWITH
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United States of America Patent
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Issued Date -
Apr 18, 2013
app pub date -
Oct 17, 2012
filing date -
Oct 18, 2011
priority date (Note) -
Abandoned
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Abstract
Disclosed are bonding agents useful in the production of pelletized or briquetted fuels. The bonding agents may be incorporated into a feed containing the fuel material, providing both adhesion and cohesion of the fines to produce a uniform and predictable pellet or briquette. Specifically, the bonding composition contains a solubulized starch, a sugar source and/or a diol or polyol compound, and optionally a polymer selected from polyvinyl alcohol (PVOH), PVOH copolymers, polyvinyl acetate (PVA), polyvinyl acetate copolymers (PVAc), ethylene vinyl acetate (EVAc or VAE) or any subset or combination of such polymers. Also disclosed are methods of preparing the bonding agents and to densified and/or torrefied biomass products prepared therewith.
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