Commercial demonstration of the NOXSO SO{sub 2}/NO{sub x} removal flue gas cleanup system. Quarterly technical progress report No. 16, December 1, 1994--February 28, 1995

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The NOXSO process is a dry, post-combustion flue gas treatment technology which uses a regenerable sorbent to simultaneously adsorb sulfur dioxide (SO{sub 2}) and nitrogen oxides (NO{sub x}) from flue gas. In the process, the SO{sub 2} is converted to a sulfur by- product (elemental sulfur, sulfuric acid, or liquid SO{sub 2}) and the NO{sub x} is converted to nitrogen and oxygen. The objective of the NOXSO Clean Coal Project is to design, construct, and operate a flue gas treatment system utilizing the NOXSO process at Alcoa Generating Corporation`s (AGC) Warrick Power Plant. The NOXSO plant is being designed to ... continued below

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45 p.

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Creator: Unknown. December 31, 1995.

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Description

The NOXSO process is a dry, post-combustion flue gas treatment technology which uses a regenerable sorbent to simultaneously adsorb sulfur dioxide (SO{sub 2}) and nitrogen oxides (NO{sub x}) from flue gas. In the process, the SO{sub 2} is converted to a sulfur by- product (elemental sulfur, sulfuric acid, or liquid SO{sub 2}) and the NO{sub x} is converted to nitrogen and oxygen. The objective of the NOXSO Clean Coal Project is to design, construct, and operate a flue gas treatment system utilizing the NOXSO process at Alcoa Generating Corporation`s (AGC) Warrick Power Plant. The NOXSO plant is being designed to remove 98% of the SO{sub 2} and 75% of the NO{sub x} from the flue gas from the 150-MW equivalent, unit 2 boiler. The by-product to be generated by the project is liquid SO{sub 2}. Sufficient construction cost and operating data will be obtained during the project to confirm the process economics and provide a basis to guarantee performance on a commercial scale. The project is in the Front End Engineering/Environmental Evaluation Phase. Engineering activities are approximately 20% complete and activities to update the project estimate based on completed engineering and equipment bids have been initiated. Process study activities include laboratory fluid-bed adsorber studies, regenerator computer model development and studies, fluid-flow modelling in fluid-bed vessels, and evaluations of SO{sub 2} production processes. The laboratory- scale, fluid-bed adsorber studies are being conducted to improve the accuracy of the removal efficiency predictions and study the impact of adding a third adsorber stage. The construction of the steel, multi-stage reactor is currently underway. The regenerator computer model was revised and is being used to study design options for improving the regenerator performance. Fluid-flow modelling has been conducted to study the effect of grid supports on the gas flow inside the fluid bed vessels.

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45 p.

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OSTI as DE97050781

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  • Other Information: PBD: 1995

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  • Other: DE97050781
  • Report No.: DOE/PC/90549--T3
  • Grant Number: FC22-91PC90549
  • DOI: 10.2172/418271 | External Link
  • Office of Scientific & Technical Information Report Number: 418271
  • Archival Resource Key: ark:/67531/metadc688451

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  • December 31, 1995

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  • July 25, 2015, 2:20 a.m.

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  • Nov. 11, 2015, 12:03 p.m.

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Commercial demonstration of the NOXSO SO{sub 2}/NO{sub x} removal flue gas cleanup system. Quarterly technical progress report No. 16, December 1, 1994--February 28, 1995, report, December 31, 1995; United States. (digital.library.unt.edu/ark:/67531/metadc688451/: accessed December 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.