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Inter-laboratory comparison II: CO2 isotherms measured on moisture-equilibrated Argonne premium coals at 55 °C and up to 15 MPa

  • A. L. Goodman*
  • , Andreas Busch
  • , R. M. Bustin
  • , L. Chikatamarla
  • , S. Day
  • , G. J. Duffy
  • , J. E. Fitzgerald
  • , K. A. M. Gasem
  • , Yves Gensterblum
  • , C. Hartman
  • , C. Jing
  • , Bernhard M. Krooss
  • , S. Mohammed
  • , T. Pratt
  • , R. L. Robinson
  • , V. Romanov
  • , R. Sakurovs
  • , K. Schroeder
  • , C. M. White
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Sorption isotherms, which describe the coal's gas storage capacity, are important for estimating the carbon sequestration potential of coal seams. This study investigated the inter-laboratory reproducibility of carbon dioxide isotherm measurements on moisture-equilibrated Argonne premium coal samples (Pocahontas No. 3, Illinois No. 6, and Beulah Zap). Six independent laboratories provided isotherm data on the three moisture-equilibrated coal samples at 55 °C and pressures up to 15 MPa. Agreement among the laboratories was good up to 8 MPa. At the higher pressures, the data among the laboratories diverged significantly for two of the laboratories and coincided reasonably well for four of the laboratories.

Original languageEnglish
Pages (from-to)153-164
Number of pages12
JournalInternational Journal of Coal Geology
Volume72
Issue number3-4
DOIs
Publication statusPublished - 22 Nov 2007

Keywords

  • Argonne premium coal
  • Carbon sequestration
  • CO isotherm
  • CO sorption
  • CO storage capacity

ASJC Scopus subject areas

  • Economic Geology
  • Geology
  • Stratigraphy
  • Fuel Technology

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