Pelletizing and briquetting of combustible organic-waste materials using binders produced by liquefaction of biomass
First Claim
1. A process for producing a biomass fuel product from organic-waste material comprising the following steps:
- (a) preparing a bio-binder base using a liquefied bio-binder obtained from liquefaction of biomass;
(b) blending the bio-binder base with an organic-waste material at a temperature sufficiently high to produce a bonding reaction between the bio-binder base and the organic-waste material, thereby yielding a substantially uniform blend; and
(c) molding the blend to produce a solid-fuel product;
wherein the bio-binder base constitutes at least about three weight percent of the solid-fuel product.
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Abstract
A fuel pellet is produced by the combination of organic waste material with a binder obtained by direct liquefaction and/or fast pyrolysis of biomass material. Direct liquefaction and fast pyrolysis are carried out according to known liquefaction processes. The liquefied bio-binder base is mixed with additives, if desired, such as petroleum asphalt and cross-linking agents, in order to modify its characteristics to meet specific needs of particular applications, and the resulting mixture is mixed with organic-waste material preheated to 100° C. or more and allowed to react at about 150-200° C. Combustible extenders and fillers, reinforcing fibers, and cross-linking agents may be mixed with the organic material or the bio-binder base to provide additional specific properties to the mixture. The resulting well mixed mass is then pelletized or otherwise molded in conventional equipment.
21 Citations
30 Claims
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1. A process for producing a biomass fuel product from organic-waste material comprising the following steps:
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(a) preparing a bio-binder base using a liquefied bio-binder obtained from liquefaction of biomass;
(b) blending the bio-binder base with an organic-waste material at a temperature sufficiently high to produce a bonding reaction between the bio-binder base and the organic-waste material, thereby yielding a substantially uniform blend; and
(c) molding the blend to produce a solid-fuel product;
wherein the bio-binder base constitutes at least about three weight percent of the solid-fuel product. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A solid-fuel product comprising:
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(a) a bio-binder base obtained from liquefaction of biomass material; and
(b) an organic-waste material;
wherein the bio-binder base is at least about three weight percent of the solid-fuel product. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29, 30)
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Specification