Demonstration of the Viability and Evaluation of Production Costs for Biomass-Infused Coal Briquettes [electronic resource]

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Tác giả:

Ngôn ngữ: eng

Ký hiệu phân loại: 333.7 Land, recreational and wilderness areas, energy

Thông tin xuất bản: Washington, D.C. : Oak Ridge, Tenn. : United States. Office of the Assistant Secretary of Energy for Fossil Energy ; Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy, 2014

Mô tả vật lý: Size: 17 p. : , digital, PDF file.

Bộ sưu tập: Metadata

ID: 264963

 This project was split into four main areas, first to identify the best combination of coal and biomass, second, create and test lab quantity of preferred combinations, Third, create a sizeable quantity for larger scale handling and consuming analysis and fourth, to provide analysis for a commercial scale production capacity. Samples of coal and biomass were collected. Five coals, representing the three major coal ranks, were collected including one bituminous, two sub-bituminous, and two lignite samples. In addition, three square bales (~50 lbs/bale) each of corn Stover and switch grass were collected with one bale of each sample processed through a hammer mill to approximately -5 mesh. A third sample of sawdust was collected once experimentation began at the University of Kentucky. Multiple combinations of coal and biomass
  coal, biomass, with biomass binder, were tested until a formulation was identified that could meet the requirement criteria. Based on the results of the binderless briquetting evaluations, the CS/Sub-bit combinations was selected for extended evaluation at a 10% biomass addition rate while the WS/Bitum combination was selected for extended evaluation at a 30% biomass-addition rate. With the final results of the selection process complete, the CoalTek continuous production pilot plant in Tucker GA was outfitted with the specialized blending equipment and two 1/4 ton production runs of biomass and binder subbituminous coal briquettes were completed. These briquettes were later used for a calorific test burn at the University of North Dakota. The first formulation included subbituminous coal, corn stover and a corn starch binder the second formulation included subbituminous coal, wheat stover and corn starch binder.
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