Ultrafine coal single stage dewatering and briquetting process. Technical report, September 1--November 30, 1994

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Description

It is well known that a large portion of the pyrite particles in the coal seams of the Illinois Basin, are finely disseminated within the coal matrix. In order to liberate these micron size pyrite particles, one must use a fine grinding operation. The ultrafine coal particles that are produced are difficult to dewater and they create problems in coal transportation as well as in its storage and handling at utility plants. The objective of this research project is to combine ultrafine coal dewatering and briquetting processes into a single stage operation. This will be accomplished by the use of ... continued below

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16 p.

Creation Information

Wilson, J.W. & Honaker, R.Q. December 31, 1994.

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  • Wilson, J.W. Univ. of Missouri, Rolla, MO (United States). Dept. of Mining Engineering
  • Honaker, R.Q. Southern Illinois Univ., Carbondale, IL (United States). Dept. of Mining Engineering

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Description

It is well known that a large portion of the pyrite particles in the coal seams of the Illinois Basin, are finely disseminated within the coal matrix. In order to liberate these micron size pyrite particles, one must use a fine grinding operation. The ultrafine coal particles that are produced are difficult to dewater and they create problems in coal transportation as well as in its storage and handling at utility plants. The objective of this research project is to combine ultrafine coal dewatering and briquetting processes into a single stage operation. This will be accomplished by the use of bitumen based emulsions for dewatering and a compaction device for briquetting. During this reporting period, two types of coal samples have been tested for use in the dewatering and briquetting processes. These tests were carried out in conjunction with a selected hydrophobic binder as the dewatering reagent and an uniaxial hydraulic press. The influence of compaction pressure and binder concentration (2 to 5%) on the performance of coal pellets have been evaluated in terms of their water and wear resistance. A laboratory scale ultrafine coal dewatering and briquetting extruder that can be operated continuously for coal pellets fabrication, has been designed and built, and will be available for testing in the next quarter.

Physical Description

16 p.

Notes

OSTI as DE95008007

Source

  • Other Information: PBD: [1994]

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  • Other: DE95008007
  • Report No.: DOE/PC/92521--T207
  • Grant Number: FC22-92PC92521
  • DOI: 10.2172/28253 | External Link
  • Office of Scientific & Technical Information Report Number: 28253
  • Archival Resource Key: ark:/67531/metadc668181

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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Creation Date

  • December 31, 1994

Added to The UNT Digital Library

  • June 29, 2015, 9:42 p.m.

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  • June 27, 2016, 3:03 p.m.

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Wilson, J.W. & Honaker, R.Q. Ultrafine coal single stage dewatering and briquetting process. Technical report, September 1--November 30, 1994, report, December 31, 1994; United States. (digital.library.unt.edu/ark:/67531/metadc668181/: accessed October 20, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.