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Thermal Characterization of Coal Ash Powders: Heat Capacities and Minimum Sintering Temperatures

Published online by Cambridge University Press:  25 February 2011

R. Ledesma ,
P. Compo  and
L. L. Isaacs
R. Ledesma
Affiliation:
Department of Chemical Engineering, The City College of CUNY, New York, New York 10031
P. Compo
Affiliation:
Department of Chemical Engineering, The City College of CUNY, New York, New York 10031
L. L. Isaacs
Affiliation:
Department of Chemical Engineering, The City College of CUNY, New York, New York 10031
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Abstract

Ashed mineral matter from ground coals were prepared by combustion at 973 K. Five coal samples ranging in rank from lignitic to high-volatile bituminous coals were used as starting materials. The heat capacities of the coal ash materials were measured between 140 K and 900 K by differential scanning calorimetry. The minimum sintering temperatures of each of the ash powders were determined using a high temperature dilatometer.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 86: Symposium N – Fly Ash and Coal Conversion By-Products III , 1986 , 127
Copyright
Copyright © Materials Research Society 1987

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References

REFERENCES

1. Conn, R.E. and Austin, L.G., Fuel 63, 1664 (1984).Google Scholar
2. Isaacs, L.L., Amer. Chem. Soc., Preprint of Papers, 29 (6), 234 (1984).Google Scholar
3. Mraw, S.C. and Nass, D.F., J. Chem. Thermodynamics 11, 567 (1979).Google Scholar
4. Compo, P., Pfeffer, R. and Tardos, G.I., Powder Tech., 1987, In Press.Google Scholar
5. Compo, P., Mazzone, D., Tardos, G.I. and Pfeffer, R., Particle Characterization 1, 171 (1984).Google Scholar
6. Gomez, M., Gayle, J.B. and Taylor, A.R. Jr., U.S. Bur. Mines Res. Invest. No 6607 Pittsburgh (1965); N.C. Majumdar and T.J. Stevens, J. Austral. Cer. Soc. 28, (1966); I. Barin and O. Knake, Thermochemical Properties Of Inorganic Substances, New York: Heidelberg (1973); R. Cassis et al., OASTRA J. Research 1, 163 (1985).Google Scholar
7. Raask, E., Amer. Chem. Soc., Preprint of Papers 27 (1), 145 (1982).Google Scholar
8. Siegell, J.H., PhD thesis, City College N.Y., 1976.Google Scholar
9. Basu, P., Sarka, A., Fuel 61, 924 (1983).Google Scholar
10. Stallmann, J.J., Neavel, R., Fuel 59, 584 (1980).Google Scholar
11. Katta, S., DOE Report No. FE-19122–38, 1984.Google Scholar
12. Am. Soc. Test. Mat., Annual Book of ASTM Std. Phila, Designation D, 1857–68 (1978).Google Scholar