Claims
- 1. A pelletized fuel composition comprising coal fines in an amount of from about 60% to about 80% by weight, paper making sludge in the amount of from about 10% to about 30% by weight, and a low density shredded polyethylene plastic film having a major dimension of no more than about 1/4 inch in an amount of from about 0.5% to about 15% by weight.
- 2. The fuel composition of claim 1 which also includes paper in the amount of about 5% to about 10% by weight.
- 3. The fuel composition of claim 2 wherein the paper is shredded.
- 4. The fuel composition of claim 2 wherein the paper comprises kraft paper cores.
- 5. The fuel composition of claim 1 wherein the coal is bituminous coal.
- 6. The fuel composition of claim 1 wherein the coal is of a size of 20 mesh or finer.
- 7. A method of manufacturing a fuel composition comprising the steps of (a) mixing coal fines in an amount of about 60% to about 80% by weight, paper making sludge in an amount of about 10% to about 30% by weight, and a low density polyethylene (LDPE) plastic having a major dimension of no more than about 1/4 inch in an amount of about 0.5% to about 15% by weight; and (b) then pelletizing the mixture produced in step (a) at a pressure of from about 1,000 psig to about 4,000 psig.
- 8. The method of claim 7 which also includes paper in the amount of about 5% to about 10% by weight.
- 9. The method of claim 8 wherein the paper is shredded.
- 10. The method of claim 8 wherein the paper comprises kraft paper cores.
- 11. The method of claim 7 wherein the coal is bituminous coal.
- 12. The method of claim 7 wherein the coal is of a size of 20 mesh or finer.
- 13. The method of claim 7 wherein prior to step (b) and after step (a) the mixture is treated with steam.
CROSS REFERENCE TO RELATED APPLICATION
This is a continuation-in-part of U.S. patent application Ser. No. 08/397,909, filed Mar. 3, 1995 which is abandoned.
US Referenced Citations (13)
Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
397909 |
Mar 1995 |
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