ELECTROKINETIC DENSIFICATION OF COAL FINES IN WASTE PONDS

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Description

The objective of this research is to demonstrate that electrokinetics can be used to remove colloidal coal and mineral particles from coal-washing ponds and lakes without the addition of chemical additives such as salts and polymeric flocculants. In this experimental and analytical study the authors elucidate the transport processes that control the rate of concentrated colloidal particle removal, demonstrate the process on a laboratory scale, and develop the scale-up laws needed to design commercial-scale processes. The authors are also addressing the fundamental problems associated with particle-particle interactions (electrical and hydrodynamic), the effects of particle concentration on the applied electric field, ... continued below

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9 p.

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Davis, E. James May 1, 1998.

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Description

The objective of this research is to demonstrate that electrokinetics can be used to remove colloidal coal and mineral particles from coal-washing ponds and lakes without the addition of chemical additives such as salts and polymeric flocculants. In this experimental and analytical study the authors elucidate the transport processes that control the rate of concentrated colloidal particle removal, demonstrate the process on a laboratory scale, and develop the scale-up laws needed to design commercial-scale processes. The authors are also addressing the fundamental problems associated with particle-particle interactions (electrical and hydrodynamic), the effects of particle concentration on the applied electric field, the electrochemical reactions that occur at the electrodes, and the prediction of power requirements.

Physical Description

9 p.

Notes

OSTI as DE00757305

Medium: P; Size: 9 pages

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  • Other Information: PBD: 1 May 1998

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  • Report No.: DE--FG22-95PC95209-03
  • Grant Number: FG22-95PC95209
  • DOI: 10.2172/757305 | External Link
  • Office of Scientific & Technical Information Report Number: 757305
  • Archival Resource Key: ark:/67531/metadc711888

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Office of Scientific & Technical Information Technical Reports

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Creation Date

  • May 1, 1998

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

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  • April 11, 2017, 7:36 p.m.

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Davis, E. James. ELECTROKINETIC DENSIFICATION OF COAL FINES IN WASTE PONDS, report, May 1, 1998; Morgantown, West Virginia. (digital.library.unt.edu/ark:/67531/metadc711888/: accessed October 23, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.