Production of a pellet fuel from Illinois coal fines. Technical report, March 1--May 31, 1995

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The primary goal of this research is to produce a pellet fuel from low-sulfur Illinois coal fines which could burn with emissions of less than 1.8 lbs SO{sub 2}/10{sup 6} Btu in stoker-fired boilers. The significance of 1.8 lbs SO{sub 2}/10{sup 6} Btu is that in the Chicago (9 counties) and St. Louis (2 counties) metropolitan areas, industrial users of coal currently must comply with this level of emissions. For this effort, we will be investigating the use of fines from two Illinois mines which currently mine relatively low-sulfur reserves and that discard their fines fraction (minus 100 mesh). The ... continued below

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17 p.

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Rapp, D. & Lytle, J. December 31, 1995.

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Description

The primary goal of this research is to produce a pellet fuel from low-sulfur Illinois coal fines which could burn with emissions of less than 1.8 lbs SO{sub 2}/10{sup 6} Btu in stoker-fired boilers. The significance of 1.8 lbs SO{sub 2}/10{sup 6} Btu is that in the Chicago (9 counties) and St. Louis (2 counties) metropolitan areas, industrial users of coal currently must comply with this level of emissions. For this effort, we will be investigating the use of fines from two Illinois mines which currently mine relatively low-sulfur reserves and that discard their fines fraction (minus 100 mesh). The research will involve investigation of multiple unit operations including column flotation, filtration and pellet production. The end result of the effort will allow for an evaluation of the commercial viability of the approach. Previously it has been decided that corn starch would be used as binder and a roller-and-die mill would be used for pellet manufacture. A quality starch binder has been identified and tested. To potentially lower binder costs, a starch that costs about 50% of the high quality starch was tested. Results indicate that the lower cost starch will not lower binder cost because more is required to produce a comparable quality pellet. Also, a petroleum in water emulsion was evaluated as a potential binder. The compound seemed to have adhesive properties but was found to be a poor binder. Arrangements have been made to collect a waste slurry from the mine previously described.

Physical Description

17 p.

Notes

OSTI as DE96007006

Source

  • Other Information: PBD: [1995]

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  • Other: DE96007006
  • Report No.: DOE/PC/92521--T234
  • Grant Number: FC22-92PC92521
  • DOI: 10.2172/205929 | External Link
  • Office of Scientific & Technical Information Report Number: 205929
  • Archival Resource Key: ark:/67531/metadc672826

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Office of Scientific & Technical Information Technical Reports

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  • December 31, 1995

Added to The UNT Digital Library

  • June 29, 2015, 9:42 p.m.

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  • June 24, 2016, 1:31 p.m.

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Rapp, D. & Lytle, J. Production of a pellet fuel from Illinois coal fines. Technical report, March 1--May 31, 1995, report, December 31, 1995; United States. (digital.library.unt.edu/ark:/67531/metadc672826/: accessed October 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.