Carbonation as a binding mechanism for coal/calcium hydroxide pellets. Technical report, September 1, 1991--November 30, 1991

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Description

Current coal mining and processing procedures produce a significant quanity of fine coal that is difficult to handle and transport. The objective of this work is to determine if these fines can be economically pelletized with calcium hydroxide, a sulfur capturing sorbent, to produce a clean-burning fuel for fluidized-bed combustors or stoker boilers. To harden these pellets, carbonation, which is the reaction of calcium hydroxide with carbon dioxide to produce a cementitious matrix of calcium carbonate, is being investigated. Previous research indicated that carbonation significantly improved compressive strength, impact and attrition resistance and ``weatherproofed`` pellets formed with sufficient calcium hydroxide ... continued below

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6 p.

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Rapp, D. M. December 31, 1991.

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Description

Current coal mining and processing procedures produce a significant quanity of fine coal that is difficult to handle and transport. The objective of this work is to determine if these fines can be economically pelletized with calcium hydroxide, a sulfur capturing sorbent, to produce a clean-burning fuel for fluidized-bed combustors or stoker boilers. To harden these pellets, carbonation, which is the reaction of calcium hydroxide with carbon dioxide to produce a cementitious matrix of calcium carbonate, is being investigated. Previous research indicated that carbonation significantly improved compressive strength, impact and attrition resistance and ``weatherproofed`` pellets formed with sufficient calcium hydroxide (5 to 10% for minus 28 mesh coal fines).

Physical Description

6 p.

Notes

OSTI; NTIS; GPO Dep.

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  • Other Information: PBD: [1991]

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  • Other: DE92007859
  • Report No.: DOE/PC/91334--T33
  • Grant Number: FG22-91PC91334
  • DOI: 10.2172/10122701 | External Link
  • Office of Scientific & Technical Information Report Number: 10122701
  • Archival Resource Key: ark:/67531/metadc1273549

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Office of Scientific & Technical Information Technical Reports

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  • December 31, 1991

Added to The UNT Digital Library

  • Oct. 12, 2018, 6:44 a.m.

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Rapp, D. M. Carbonation as a binding mechanism for coal/calcium hydroxide pellets. Technical report, September 1, 1991--November 30, 1991, report, December 31, 1991; United States. (https://digital.library.unt.edu/ark:/67531/metadc1273549/: accessed March 25, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.