Sequestration of CO2 in Mixtures of Bauxite and Saline Waste Water

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Batch and semi-batch experiments were conducted to assess feasibility of utilizing mixtures of caustic bauxite residue slurry and produced brine from the Oriskany sandstone formation to sequester CO2 • Bauxite residue/brine mixture of 90/10 by volume sequestered 9.5 g of CO2 per liter of mixture (100 psig of CO2 at 20 ºC) • Carbon trapping is accomplished primarily through solubilization • Solution of the product mixture was neutralized following carbonation • Flow-through carbonation at 25 ºC and 1 atm. demonstrates that carbonation rates are acceptable for proposed process applications

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Dilmore, R.M.; Soong, Y.; Griffith, C.; Allen, D.E.; Hedges, S.W.; Frommell, E.A. et al. May 1, 2007.

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Description

Batch and semi-batch experiments were conducted to assess feasibility of utilizing mixtures of caustic bauxite residue slurry and produced brine from the Oriskany sandstone formation to sequester CO2 • Bauxite residue/brine mixture of 90/10 by volume sequestered 9.5 g of CO2 per liter of mixture (100 psig of CO2 at 20 ºC) • Carbon trapping is accomplished primarily through solubilization • Solution of the product mixture was neutralized following carbonation • Flow-through carbonation at 25 ºC and 1 atm. demonstrates that carbonation rates are acceptable for proposed process applications

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  • Sixth Annual Conference on Carbon Capture & Sequestration, Pittsburgh, PA, May 7-10, 2007

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  • Report No.: DOE/NETL-IR-2007-144
  • Grant Number: None cited
  • Office of Scientific & Technical Information Report Number: 915428
  • Archival Resource Key: ark:/67531/metadc888952

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  • May 1, 2007

Added to The UNT Digital Library

  • Sept. 22, 2016, 2:13 a.m.

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  • Nov. 4, 2016, 2:15 p.m.

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Dilmore, R.M.; Soong, Y.; Griffith, C.; Allen, D.E.; Hedges, S.W.; Frommell, E.A. et al. Sequestration of CO2 in Mixtures of Bauxite and Saline Waste Water, article, May 1, 2007; (digital.library.unt.edu/ark:/67531/metadc888952/: accessed September 20, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.