Combustion and emissions characterization of pelletized coal fuels. [Quarterly] technical report, March 1--May 31, 1993

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Pelletization of coal offers a means of utilizing coal fines which otherwise would be difficult to use. Other advantages of coal pelletization include: (a) utilization of low grade fuels such as preparation plant waste, (b) impregnation of pellets with calcium carbonate or calcium hydroxide sorbent for efficient sulfur removal, and (c) utilization of coal fines of low quality in combination with different types of binders. The objective of this project is to investigate the carbon conversion efficiency and SO{sub 2} and NO{sub x} emissions from combusting pelletized coal fuels made from preparation plant waste streams using both limestone and calcium ... continued below

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13 p.

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Rajan, S. September 1, 1993.

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  • Rajan, S. Southern Illinois Univ., Carbondale, IL (United States). Dept. of Mechanical Engineering and Energy Processes

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Description

Pelletization of coal offers a means of utilizing coal fines which otherwise would be difficult to use. Other advantages of coal pelletization include: (a) utilization of low grade fuels such as preparation plant waste, (b) impregnation of pellets with calcium carbonate or calcium hydroxide sorbent for efficient sulfur removal, and (c) utilization of coal fines of low quality in combination with different types of binders. The objective of this project is to investigate the carbon conversion efficiency and SO{sub 2} and NO{sub x} emissions from combusting pelletized coal fuels made from preparation plant waste streams using both limestone and calcium hydroxide as sorbent and cornstarch and gasification tar as binders. The combustion performance of these pelletized fuels is compared with equivalent data from a reference run-of-mine coal. Six different samples of coal pellets have been secured from ISGS researchers. Combustion and emissions characterization of these pellets in the laboratory scale 4-inch diameter circulating fluidized bed have been performed on some of the pellet samples. The pellets burn readily, and provide good bed temperature control. Preliminary results show good carbon conversion efficiencies. Oxides of nitrogen emissions are quite low and sulfur dioxide emissions are as good as or lower than those from a representative run-of-mine coal.

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13 p.

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OSTI; NTIS; GPO Dep.

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  • Other Information: PBD: [1993]

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  • Other: DE93019803
  • Report No.: DOE/PC/92521--T53
  • Grant Number: FC22-92PC92521
  • DOI: 10.2172/10176099 | External Link
  • Office of Scientific & Technical Information Report Number: 10176099
  • Archival Resource Key: ark:/67531/metadc1388740

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  • September 1, 1993

Added to The UNT Digital Library

  • Nov. 28, 2018, 2:33 p.m.

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  • Jan. 17, 2019, 2:06 p.m.

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Rajan, S. Combustion and emissions characterization of pelletized coal fuels. [Quarterly] technical report, March 1--May 31, 1993, report, September 1, 1993; Springfield, Illinois. (https://digital.library.unt.edu/ark:/67531/metadc1388740/: accessed March 24, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.