Production of carbon molecular sieves from Illinois coal. [Quarterly] technical report, December 1, 1993--February 28, 1994
Production of carbon molecular sieves from Illinois coal. [Quarterly] technical report, December 1, 1993--February 28, 1994
Carbon molecular sieves (CMS) have become an increasingly important class of adsorbents for use in gas separation and recovery processes. The overall objective of this project is to determine whether Illinois coal is a suitable feedstock for the production of CMS and to evaluate the potential application of the products in commercial gas separation processes. In Phase I of this project, gram quantities of char were produced from IBC-102 coal in a fixed-bed reactor under a wide range of pyrolysis and activation conditions. The kinetics of adsorption of various gases, i.e., O{sub 2}, N{sub 2}, CO{sub 2}, CH{sub 4} and H{sub 2}, on these chars at 25{degree}C was studied. Several chars showed good potential for efficient O{sub 2}/N{sub 2}, CO{sub 2}/CH{sub 4}, CO{sub 2}H{sub 2} and CH{sub 4}/H{sub 2} separation; both high adsorption capacities and selectivities were achieved. The full potential of these materials in commercial gas separations has yet to be realized. In Phase II, the optimal char preparation conditions determined in Phase I are applied to production of larger quantities of CMS in a batch fluidized-bed reactor (FBR) and a continuous rotary tube kiln (RTFK).
- University of North Texas United States
- University of North Texas United States
And Peat, Organic, Progress Report, Sorptive Properties, Performance Testing, Specificity 400105, Molecular Sieves, Separation Procedures, 530, Pyrolysis And Carbonization, 620, 01 Coal, Separation Processes, 37 Inorganic, Coal, Physical And Analytical Chemistry, Chemical Preparation, Lignite, Gases, Chars, Pyrolysis, 010409
And Peat, Organic, Progress Report, Sorptive Properties, Performance Testing, Specificity 400105, Molecular Sieves, Separation Procedures, 530, Pyrolysis And Carbonization, 620, 01 Coal, Separation Processes, 37 Inorganic, Coal, Physical And Analytical Chemistry, Chemical Preparation, Lignite, Gases, Chars, Pyrolysis, 010409
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