Activation and micropore structure determination of carbon-fiber composite molecular sieves. Topical report, 30 March 1994--14 April 1995
- Kentucky Univ., Lexington, KY (United States). Center for Applied Energy Research
Progress in developing novel, rigid, monolithic adsorbent carbon fiber composites is described. Carbon fiber composites are activated using steam or CO{sub 2}, in order to produce uniform activation through the material and to control the pore structure and adsorptive properties. There is an overall shrinkage during activation, which is directly correlated with burnoff; burnoff above 40% results in fracture. Burnoffs higher than 10% does not produce any benefit for separation of CH{sub 4}-CO{sub 2} mixtures. Five samples of CFCMS have been prepared for testing as molecular sieves; all have relatively narrow pore size distributions with average pore diameters around 6A.
- Research Organization:
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Kentucky Univ., Lexington, KY (United States). Center for Applied Energy Research
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- AC05-84OR21400
- OSTI ID:
- 200663
- Report Number(s):
- ORNL/Sub-94-SN719/01; ON: DE96006022
- Resource Relation:
- Other Information: PBD: 19 May 1995
- Country of Publication:
- United States
- Language:
- English
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