Combustion of char-coal waste pellets for high efficiency and low NO{sub x}. Technical report, March 1--May 31, 1995

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Description

To maintain market share, new uses must be found for Illinois coals in the largest end use area, namely power generation. To this end, the suitability of Illinois coal for high efficiency power plants like combined cycles must be investigated. This approach involves partial gasification of the coal to produce fuel gas for the topping cycle gas turbines, while the residual char is burnt in the gas turbine exhaust to produce steam for the Rankine bottoming cycle. This project seeks to improve the combustion characteristics of the residual char by pelletizing it with waste coal in order to improve its ... continued below

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12 p.

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Rajan, S. December 31, 1995.

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Description

To maintain market share, new uses must be found for Illinois coals in the largest end use area, namely power generation. To this end, the suitability of Illinois coal for high efficiency power plants like combined cycles must be investigated. This approach involves partial gasification of the coal to produce fuel gas for the topping cycle gas turbines, while the residual char is burnt in the gas turbine exhaust to produce steam for the Rankine bottoming cycle. This project seeks to improve the combustion characteristics of the residual char by pelletizing it with waste coal in order to improve its combustor residence time and carbon conversion efficiency. At the same time, attempts are made to reduce pollutant emissions. During this quarter, the residual char produced by Foster Wheeler Development Corporation in their pyrolyzer has been pelletized with Illinois gob coal in various proportions. Combustion tests have been performed in a laboratory scale circulating fluidized bed combustor. Preliminary results show that the pellets are much easier to burn and exhibit high carbon conversion efficiencies. Further combustion tests are in progress.

Physical Description

12 p.

Notes

OSTI as DE96006563

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  • Other Information: PBD: [1995]

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  • Other: DE96006563
  • Report No.: DOE/PC/92521--T223
  • Grant Number: FC22-92PC92521
  • DOI: 10.2172/206503 | External Link
  • Office of Scientific & Technical Information Report Number: 206503
  • Archival Resource Key: ark:/67531/metadc665200

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Office of Scientific & Technical Information Technical Reports

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Creation Date

  • December 31, 1995

Added to The UNT Digital Library

  • June 29, 2015, 9:42 p.m.

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  • June 24, 2016, 2:08 p.m.

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Rajan, S. Combustion of char-coal waste pellets for high efficiency and low NO{sub x}. Technical report, March 1--May 31, 1995, report, December 31, 1995; United States. (digital.library.unt.edu/ark:/67531/metadc665200/: accessed December 13, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.