Effect of coal beneficiation process on rheology/atomization of coal water slurries. Quarterly progress report, 1 May 1994--31 July 1994
Technical Report
·
OSTI ID:10185280
The overall objective of this project is to perform experiments to understand the effect of coal beneficiation processes and high shear rheological properties on the atomization of coal-water slurries (CWS). In the atomization studies, the mean drop size of the CWS sprays will be determined at various air-to CWS. A correlation between the high shear rheological properties, particle size distributions and the atomization will be made in order to determine the influence of these parameters on the atomization of CWS. During the past quarter, several experimental studies on pressure dependent atomization of coal-water slurries and simulated fluids were performed. Surface tension, elastic, high and low shear viscosities were performed prior to the atomization tests. Previous work indicate that viscoelastic behavior played a significant role in the atomization of the coal slurries. Thus, efforts during this past quarter concentrated on viscoelastic characterization of the coal-water slurries. Atomization of the coal-water slurry samples as a function of air flow rate were also performed during this past quarter. Correlation of the atomization data with the rheological data is still in progress.
- Research Organization:
- Grambling State Univ., LA (United States). Dept. of Chemistry
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- FG22-92MT92019
- OSTI ID:
- 10185280
- Report Number(s):
- DOE/MT/92019--T1; ON: DE95000397; BR: AA1525150
- Country of Publication:
- United States
- Language:
- English
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