A hybrid ED/RO process for TDS reduction of produced waters

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Large volumes of produced waters are generated from natural gas production. In the United States the prevailing management practice for produced waters is deep well injection, but this practice is costly. Therefore minimizing the need for deep well injection is desirable. A major treatment issue for produced waters is the reduction of total dissolved solids (TDS), which consist mostly of inorganic salts. A hybrid electrodialysis/reverse-osmosis (ED/RO) treatment process is being developed to concentrate the salts in produced waters and thereby reduce the volume of brine that needs to be managed for disposal. The desalted water can be used beneficially or ... continued below

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13 p.

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Tsai, S.P.; Datta, R. & Frank, J.R. December 31, 1995.

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Description

Large volumes of produced waters are generated from natural gas production. In the United States the prevailing management practice for produced waters is deep well injection, but this practice is costly. Therefore minimizing the need for deep well injection is desirable. A major treatment issue for produced waters is the reduction of total dissolved solids (TDS), which consist mostly of inorganic salts. A hybrid electrodialysis/reverse-osmosis (ED/RO) treatment process is being developed to concentrate the salts in produced waters and thereby reduce the volume of brine that needs to be managed for disposal. The desalted water can be used beneficially or discharged. In this study, laboratory feasibility experiments were conducted by using produced waters from multiple sites. A novel-membrane configuration approach to prevent fouling and scale formation was developed and demonstrated. Results of laboratory experiments and plans for field demonstration are discussed.

Physical Description

13 p.

Notes

OSTI as DE96005221

Source

  • International gas research conference, Cannes (France), 6-9 Nov 1995

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  • Other: DE96005221
  • Report No.: ANL/ES/CP--87013
  • Report No.: CONF-951113--3
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 192435
  • Archival Resource Key: ark:/67531/metadc670062

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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.

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Creation Date

  • December 31, 1995

Added to The UNT Digital Library

  • June 29, 2015, 9:42 p.m.

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  • June 27, 2016, 1 p.m.

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Tsai, S.P.; Datta, R. & Frank, J.R. A hybrid ED/RO process for TDS reduction of produced waters, article, December 31, 1995; Illinois. (digital.library.unt.edu/ark:/67531/metadc670062/: accessed November 25, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.