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A Study of the Activation of Carbon Using Sample Controlled Thermal Analysis

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Abstract

A constant rate method involving the control of the concentration of evolved CO2 at a constant level was used to study the air activation of pure and copper-doped carbon prepared from sodium carboxymethylcellulose. Whereas under a linear heating regime, both types of carbon reacted suddenly and quickly with O2, under constant rate conditions this violent reaction was avoided and oxidation proceeded steadily at a lower temperature until complete burn off of the carbon was achieved. The catalytic effect of the copper on carbon gasification was noted with lower reaction temperatures for both linear heating (380°C compared to 500°C) and for the constant rate experiments (320°C compared to 400°C).

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Authors and Affiliations

  1. Centre for Applied Catalysis, University of Huddersfield, HD1 3DH

    E. A. Dawson, G. M. B. Parkes & P. A. Barnes

  2. CBD, Salisbury, SP4 0JQ, UK

    M. J. Chinn & P. R. Norman

Authors
  1. E. A. Dawson
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  2. G. M. B. Parkes
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  3. P. A. Barnes
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  4. M. J. Chinn
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  5. P. R. Norman
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Dawson, E.A., Parkes, G.M.B., Barnes, P.A. et al. A Study of the Activation of Carbon Using Sample Controlled Thermal Analysis. Journal of Thermal Analysis and Calorimetry 56, 267–273 (1999). https://doi.org/10.1023/A:1010117727252

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  • DOI: https://doi.org/10.1023/A:1010117727252

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