Flue Gas Injection for CO2 Storage and Enhanced Coalbed Methane Recovery: Mixed Gas Sorption and Swelling Characteristics of Coals

Amer Syed, Sevket Durucan, Ji-Quan Shi, Anna Korre

Research output: Contribution to journalArticle

27 Citations (Scopus)
6 Downloads (Pure)

Abstract

Abstract The impact of coal pore structure on adsorption-induced matrix swelling of three coals of different ranks was investigated experimentally. The swelling strain measurements for the selected samples of the two higher rank coals suggested that variation in the sample pore size distribution, particularly the microporosity, has a larger impact on matrix swelling induced by adsorption of CO2 than by adsorption of less adsorbing gases. The swelling behaviour recorded for the low rank coal may be explained by the level of microporosity or lack of it. From flue gas ECBM point of view, the swelling strain data tentatively suggests that the low rank coal would experience less swelling, compared to the higher rank coals.
Original languageEnglish
Pages (from-to)6738-6745
Number of pages8
JournalEnergy Procedia
Volume37
Early online date5 Aug 2013
DOIs
Publication statusPublished - 2013
EventGHGT-11 - Kyoto International Conference Center, Kyoto, Japan
Duration: 18 Nov 201222 Nov 2012

Keywords

  • Coal pore structure
  • Microporosity
  • Flue gas sorption
  • Matrix swelling
  • ECBM

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