Claims
- 1. A solid carbonaceous fuel having reduced sulfur dioxide emission upon combustion which comprises a coagglomerate formed of particulate coke or coal, a silica-enhanced sulfur sorbent comprising CaSiO.sub.3 H.sub.2 O and Ca.sub.3 Al.sub.2 (SiO.sub.4)(OH).sub.8 and a hydrocarbon binder.
- 2. The fuel as set forth in claim 1 wherein the ratio of said silica-enhanced sorbent to coke, or coal, ranges from between about 0.2% to about 10% (w/w).
- 3. The fuel as set forth in claim 2 wherein the ratio of said silica-enhanced sorbent to coke, or coal, is less than 5% (w/w).
- 4. The fuel as set forth in claim 3, wherein the hydrocarbon binder is bitumen.
- 5. The fuel as set forth in claim 4 wherein said bitumen is less than about 10% based on the weight of coke or coal.
- 6. A fuel as set forth in claim 1, wherein the said coal or coke is coke derived from the upgrading of bitumen.
- 7. A fuel as set forth in claim 1, in which the said coal or coke has a particle size in the range of about 180 microns to about 212 microns.
- 8. A solid carbonaceous fuel having reduced sulfur dioxide emission upon combustion which comprises a coagglomerate formed of particulate coke or coal, a silica-enhanced sulfur sorbent and a hydrocarbon binder, said silica-enhanced sulfur sorbent being a compound prepared by the pressure hydration of lime in admixture with silica or coal fly-ash, wherein the mol ratio of Ca(OH).sub.2 /SiO.sub.2 ranges from about 0.5 to about 2.0.
- 9. The fuel as set forth in claim 8 wherein the ratio of silica-enhanced sorbent to coke, or coal, ranges from between about 0.2% to about 10% (w/w).
- 10. The fuel as set forth in claim 9 wherein the ratio of silica-enhanced sorbent to coke, or coal, is less than 5% (w/w).
- 11. The fuel as set forth in claim 10, wherein the hydrocarbon binder is bitumen.
- 12. The fuel as set forth in claim 11 wherein said bitumen is from 0.5% to 10% based on the weight of coke or coal.
- 13. A fuel as set forth in claim 8, wherein the said coal or coke is coke derived from the upgrading of bitumen.
- 14. A fuel as set forth in claim 8, in which the said coal or coke has a particle size in the range of about 180 microns to about 212 microns.
Parent Case Info
This is a continuation in part application of application Ser. No. 07/597,800 filed Oct. 10, 1990, now abandoned.
US Referenced Citations (4)
Foreign Referenced Citations (1)
Number |
Date |
Country |
7339447 |
May 1975 |
FRX |
Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
597800 |
Oct 1990 |
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