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Producing fired bricks using coal slag from a gasification plant in indiana

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Abstract

Integrated gasification combined cycle (IGCC) is a promising power generation technology which increases the efficiency of coal-to-power conversion and enhances carbon dioxide concentration in exhaust emissions for better greenhouse gas capture. Two major byproducts from IGCC plants are bottom slag and sulfur. The sulfur can be processed into commercially viable products, but high value applications need to be developed for the slag material in order to improve economics of the process. The purpose of this study was to evaluate the technical feasibility of incorporating coal slag generated by the Wabash River IGCC plant in Indiana as a raw material for the production of fired bricks. Full-size bricks containing up to 20 wt% of the coal slag were successfully produced at a bench-scale facility. These bricks have color and texture similar to those of regular fired bricks and their water absorption properties met the ASTM specifications for a severe weathering grade. Other engineering properties tests, including compressive strength tests, are in progress.

Additional Publication Details

Publication type:
Conference Paper
Publication Subtype:
Conference Paper
Title:
Producing fired bricks using coal slag from a gasification plant in indiana
Year Published:
2009
Language:
English
Larger Work Title:
3rd World of Coal Ash, WOCA Conference - Proceedings
Conference Title:
3rd World of Coal Ash, WOCA Conference
Conference Location:
Lexington, KY
Conference Date:
4 May 2009 through 7 May 2009