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U.S. Department of Energy
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Report on the assessment of coal-slurry pipelines. Volume I. Executive summary

Technical Report ·
OSTI ID:5539133
The objective of this study was to collate and analyze pertinent coal slurry pipeline data available in the open literature. This data was then used to compare the technical, economic and environmental aspects of several potential non-aqueous system concepts with existing aqueous slurry technology. The study considers major aspects of coal slurry preparation, transportation, separation and utilization. Non-aqueous slurries considered are methanol, No. 2 fuel oil (hereafter designated fuel oil) and liquid carbon dioxide. Coal-water slurry technology is included for reference. The following potential applications were examined: underground coal mine to the surface; mine entrance to coal preparation plant; coal preparation plant to utility; and rail or barge terminal to off-shore terminal. Non-aqueous slurry systems are generally best for long distance transport because of their energy efficiencies and their capability to carry large amounts of fuel per ton mile. Because of the media acquisition and disposal problems it was assumed that these systems are not applicable for short distance transport of coarse coal. Analyses were based on data available in the open literature. Long distance tranport systems were considered as well as short distance concepts. System characteristics were analyzed in relation to throughput rate, pipe diameter, coal particle size and transport media.
Research Organization:
Skelly and Loy, Harrisburg, PA (USA); Systems Consultants, Inc., Washington, DC (USA)
DOE Contract Number:
AC01-79ET11268
OSTI ID:
5539133
Report Number(s):
DOE/ET/11268-T4-Vol.1; ON: DE82007581
Country of Publication:
United States
Language:
English