Densified fuel pellets
First Claim
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1. A method of generating heat in a boiler comprising combusting a fuel material which includes a plurality of densified fuel pellets;
- wherein the densified fuel pellets are formed by a process comprising;
compacting a mixture which includesa) about 5 to 15 wt. % molten thermoplastic polymeric material;
b) at least about 75 wt. % cellulosic material;
such that the densified fuel pellets have a minimum dimension of at least about 1 cm and a heat value of at least about 9,500 Btu/lb (as is basis).
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Abstract
A method of generating heat in a boiler such as by combusting a fuel material which includes a plurality of densified fuel pellets is provided. The densified fuel pellets may be formed by a process which includes compacting a mixture which includes about 5 to 15 wt. % molten thermoplastic polymeric material and at least about 75 wt. % cellulosic material. Many embodiments of the method are suitable for use in a coal-fired furnace and/or in other industrial boiler applications.
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Citations
20 Claims
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1. A method of generating heat in a boiler comprising combusting a fuel material which includes a plurality of densified fuel pellets;
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wherein the densified fuel pellets are formed by a process comprising; compacting a mixture which includes a) about 5 to 15 wt. % molten thermoplastic polymeric material; b) at least about 75 wt. % cellulosic material; such that the densified fuel pellets have a minimum dimension of at least about 1 cm and a heat value of at least about 9,500 Btu/lb (as is basis). - 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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Specification