EVALUATION OF BIOMSS AND COAL SLURRIES AS FUEL-LEAN REBURN FUELS

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Breen Energy Solutions (BES) and Western Research Institute (WRI) tested biomass and coal slurries and other carbonaceous substances such as fuel oil/water emulsions as NO{sub x} reburn fuel in the combustion test facility (CTF). The overall goal of the project was to determine the NO{sub x} reduction potential of various biomass and coal reburn fuels, and to identify the optimum conditions for NO{sub x} control. Specific objectives were to inject biomass, biosolids, coal, biomass/coal, and biosolids/coal slurries into the upper furnace of CTF and determine the resulting NO{sub x} reductions and CO emissions, to identify optimum injection rates and injection … continued below

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Sethi, Vijay K. November 6, 2006.

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Breen Energy Solutions (BES) and Western Research Institute (WRI) tested biomass and coal slurries and other carbonaceous substances such as fuel oil/water emulsions as NO{sub x} reburn fuel in the combustion test facility (CTF). The overall goal of the project was to determine the NO{sub x} reduction potential of various biomass and coal reburn fuels, and to identify the optimum conditions for NO{sub x} control. Specific objectives were to inject biomass, biosolids, coal, biomass/coal, and biosolids/coal slurries into the upper furnace of CTF and determine the resulting NO{sub x} reductions and CO emissions, to identify optimum injection rates and injection locations for these reburn fuels, and to install a reaction zone stabilizer device in CTF and determine its effectiveness in reducing CO and further reducing NO{sub x}. Combustion tests achieved 40% to 60% NO{sub x} reductions with 10% to 20% reburn fuel heat input. The project has demonstrated the technical feasibility of in-situ gasification of slurries including pulverized coal and 75% pulverized coal/25% biosolids by weight, and the ability to utilize the gasification products as NO{sub x} reburn fuel. This work also demonstrated that pulverized coal/water slurries can be successfully gasified and used as reburn fuels, and there is no need for use of micronized coal. Very good burnout of the pulverized coal slurry was demonstrated in this work. Similarly, the project has demonstrated the technical feasibility of in-situ gasification of oil/water emulsion and the ability to utilize the associated gasification products as NO{sub x} reburn fuel.

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  • November 6, 2006

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  • Sept. 22, 2016, 2:13 a.m.

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  • May 20, 2019, 1:15 p.m.

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Sethi, Vijay K. EVALUATION OF BIOMSS AND COAL SLURRIES AS FUEL-LEAN REBURN FUELS, report, November 6, 2006; United States. (https://digital.library.unt.edu/ark:/67531/metadc889523/: accessed July 5, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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