ENERGY PELLET
First Claim
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1. A high-energy, water-resistant pellet comprising:
- (a) at least 75% biomass material; and
(b) the remainder of said pellet being a two-component binder comprising from about 2% to about 20% by total weight of the pellet wherein said binder is a two-component system comprising a plasticizer, and the other component is lignin isolated from its source.
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Abstract
A high-energy water-resistant pellet of at least 75% biomass material such as torrefied wood, whole-tree (white) wood, agricultural waste, flax and the like. and the remainder a binder comprising from about 2% to about 20% by total weight of the pellet. The binder is a two-component system—a plasticizer, such as tall oil pitch, rosin, fatty acid, vegetable oils, animal oils, corn protein and glycerin—preferably from 3% to about 20% of the binder, and lignin from about 80-97% of the binder.
2 Citations
13 Claims
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1. A high-energy, water-resistant pellet comprising:
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(a) at least 75% biomass material; and (b) the remainder of said pellet being a two-component binder comprising from about 2% to about 20% by total weight of the pellet wherein said binder is a two-component system comprising a plasticizer, and the other component is lignin isolated from its source. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A high-energy, water-resistant pellet comprising:
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(a) at least 85% flax wood; and (b) the remainder of said pellet being a two-component binder comprising from about 2% to about 20% by total weight of the pellet, wherein one component of said binder is a plasticizer selected from the group consisting of tall oil pitch, fatty acids and rosin, vegetable oil, animal oils, corn protein and glycerin and the other component is lignin in an amount from about 80% to about 97% of said binder. - View Dependent Claims (11)
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12. A process for making an energy pellet from biomass material comprising:
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(a) preparing a binder by mixing from about 2% to about 20% total weight of said binder of lignin and the remainder of said binder being a plasticizer; (b) adding said binder to a biomass material to form a mixture of at least 75% of said biomass material; and
the remainder of said mixture being said binder; and(c) compressing said mixture by extruding said mixture at a temperature at which said binder is in a molten state to form a pellet. - View Dependent Claims (13)
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Specification