Polysaccharides and bacterial plugging. [Progress report], October 1--December 31, 1992

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Description

The objectives of this research are to elucidate and model bacterial transport in porous media, to determine the importance of polysaccharides bridging as a retentive mechanism, and to identify key parameters that influence porous media plugging. A continuum core plugging model is being development. This model will include the resulting cell, polysaccharide, and nutrient profiles as growth occurs with time. Initial cell profiles were found to be needed for the model. Experiments and a cell retainment model has been completed to predict cell profiles for a high permeability cores. The continuum model starts with applying a mass balance to an ... continued below

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5 p.

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Fogler, H.S. December 31, 1992.

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Description

The objectives of this research are to elucidate and model bacterial transport in porous media, to determine the importance of polysaccharides bridging as a retentive mechanism, and to identify key parameters that influence porous media plugging. A continuum core plugging model is being development. This model will include the resulting cell, polysaccharide, and nutrient profiles as growth occurs with time. Initial cell profiles were found to be needed for the model. Experiments and a cell retainment model has been completed to predict cell profiles for a high permeability cores. The continuum model starts with applying a mass balance to an elemental volume of porous media and makes the assumptions that: cells once deposited remain sessile; polymer and enzyme remain in location of cells; neglect dispersion and diffusion in model; neglect yeast extract balance, and neglect changes in the interstitial velocity.

Physical Description

5 p.

Notes

OSTI as DE95008129

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  • Other Information: PBD: [1992]

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  • Other: DE95008129
  • Report No.: DOE/BC/14664--T2
  • Grant Number: AC22-90BC14664
  • DOI: 10.2172/32357 | External Link
  • Office of Scientific & Technical Information Report Number: 32357
  • Archival Resource Key: ark:/67531/metadc678755

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Creation Date

  • December 31, 1992

Added to The UNT Digital Library

  • July 25, 2015, 2:20 a.m.

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  • Dec. 18, 2015, 5:46 p.m.

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Fogler, H.S. Polysaccharides and bacterial plugging. [Progress report], October 1--December 31, 1992, report, December 31, 1992; United States. (digital.library.unt.edu/ark:/67531/metadc678755/: accessed September 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.