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Development of a gas-promoted oil agglomeration process. Quarterly technical progress report, October 1--December 31, 1995

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Description

The overall purpose of this research project is to carry out the preliminary laboratory-scale development of a gas-promoted, oil agglomeration process for cleaning coal using model mixing systems. Specific objectives include determining the nature of the gas promotion mechanism, the effects of hydrodynamic factors and key parameters on process performance, and a suitable basis for size scale-up of the mixing system. An investigation of the phenomena which occur during the oil agglomeration of coal particle suspensions showed that the process of agglomeration involves several step which can be identified by changes in agitator torque and by application of optical microscopy. ... continued below

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14 p.

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Wheelock, T.D. July 1, 1996.

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Description

The overall purpose of this research project is to carry out the preliminary laboratory-scale development of a gas-promoted, oil agglomeration process for cleaning coal using model mixing systems. Specific objectives include determining the nature of the gas promotion mechanism, the effects of hydrodynamic factors and key parameters on process performance, and a suitable basis for size scale-up of the mixing system. An investigation of the phenomena which occur during the oil agglomeration of coal particle suspensions showed that the process of agglomeration involves several step which can be identified by changes in agitator torque and by application of optical microscopy. During one of these steps, aggregation of hydrophobic particles and microflocs takes place on the surface of gas bubbles dispersed in the suspension with the result that large flocs or flakes are produced which subsequently evolve into agglomerates. The time required to produce spherical agglomerates appears to be a function of the power input per unit volume with the time decreasing as the power input increases.

Physical Description

14 p.

Notes

OSTI as DE96012306

Source

  • Other Information: PBD: [1996]

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  • Other: DE96012306
  • Report No.: DOE/PC/93209--T9
  • Grant Number: FG22-93PC93209
  • DOI: 10.2172/257328 | External Link
  • Office of Scientific & Technical Information Report Number: 257328
  • Archival Resource Key: ark:/67531/metadc666930

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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Creation Date

  • July 1, 1996

Added to The UNT Digital Library

  • June 29, 2015, 9:42 p.m.

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  • Nov. 19, 2015, 8:35 p.m.

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Wheelock, T.D. Development of a gas-promoted oil agglomeration process. Quarterly technical progress report, October 1--December 31, 1995, report, July 1, 1996; United States. (digital.library.unt.edu/ark:/67531/metadc666930/: accessed January 23, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.