Black liquor combustion validated recovery boiler modeling: Final year report. Volume 2 (Appendices I, section 5 and II, section 1)

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This project was initiated in October 1990, with the objective of developing and validating a new computer model of a recovery boiler furnace using a computational fluid dynamics (CFD) code specifically tailored to the requirements for solving recovery boiler flows, and using improved submodels for black liquor combustion based on continued laboratory fundamental studies. The key tasks to be accomplished were as follows: (1) Complete the development of enhanced furnace models that have the capability to accurately predict carryover, emissions behavior, dust concentrations, gas temperatures, and wall heat fluxes. (2) Validate the enhanced furnace models, so that users can have ... continued below

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[250] p.

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Grace, T.M.; Frederick, W.J.; Salcudean, M. & Wessel, R.A. August 1, 1998.

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Description

This project was initiated in October 1990, with the objective of developing and validating a new computer model of a recovery boiler furnace using a computational fluid dynamics (CFD) code specifically tailored to the requirements for solving recovery boiler flows, and using improved submodels for black liquor combustion based on continued laboratory fundamental studies. The key tasks to be accomplished were as follows: (1) Complete the development of enhanced furnace models that have the capability to accurately predict carryover, emissions behavior, dust concentrations, gas temperatures, and wall heat fluxes. (2) Validate the enhanced furnace models, so that users can have confidence in the predicted results. (3) Obtain fundamental information on aerosol formation, deposition, and hardening so as to develop the knowledge base needed to relate furnace model outputs to plugging and fouling in the convective sections of the boiler. (4) Facilitate the transfer of codes, black liquid submodels, and fundamental knowledge to the US kraft pulp industry. Volume 2 contains the last section of Appendix I, Radiative heat transfer in kraft recovery boilers, and the first section of Appendix II, The effect of temperature and residence time on the distribution of carbon, sulfur, and nitrogen between gaseous and condensed phase products from low temperature pyrolysis of kraft black liquor.

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[250] p.

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OSTI as DE99001298

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  • Other Information: PBD: Aug 1998

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  • Other: DE99001298
  • Report No.: DOE/CE/40936--T5-Vol.2
  • Grant Number: FG07-90CE40936
  • DOI: 10.2172/296695 | External Link
  • Office of Scientific & Technical Information Report Number: 296695
  • Archival Resource Key: ark:/67531/metadc688391

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  • August 1, 1998

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  • July 25, 2015, 2:20 a.m.

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  • Nov. 15, 2015, 4:59 p.m.

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Grace, T.M.; Frederick, W.J.; Salcudean, M. & Wessel, R.A. Black liquor combustion validated recovery boiler modeling: Final year report. Volume 2 (Appendices I, section 5 and II, section 1), report, August 1, 1998; United States. (digital.library.unt.edu/ark:/67531/metadc688391/: accessed December 16, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.