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Nonfuming Carbonaceous Mix For Constructing Seams and Linings Of Metallurgical Vessels

  • Extractive Metallurgy
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Summary

A carbonaceous seam mix applicable at room temperature was developed for the seams between carbon blocks of Hall smelting cell bottoms. It consists of calcined anthracite, coke-oven pitch, and a small amount of solvent. When applied at temperatures below 60°C, the evolution of fumes is sharply reduced, compared with hot mixes used previously. Three other applications for the mix in metallurgical vessels have since been developed: monolithic lining for Hall smelting cells, lining for the ferrosilicon ladles in the Magnetherm Process for producing magnesium, and for supporting the graphite electrodes in Acheson furnaces for silicon carbide manufacture.

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References

  1. U.S. Patents 4,032,653, M. Benjamin Dell, “Mix Suitable for Use in Seams between Carbon Blocks”; 4,167,419, M. Benjamin Dell, “Mix Suitable for Use in Seams between Carbon Blocks”; 4,264,371, M. Benjamin Dell, “Room Temperature Seam Mix.”

  2. Belitskus, D. L. Private Communication.

  3. M. B. Dell, “A Nonfuming Room Temperature Seam Mix for Carbon Linings in Smelting Cells,” Met. Trans. 8B, 509 (1977).

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  4. D. D. Belitskus, M. B. Dell, and G. H. Farrah, “Alcoa’s Experience with Seam Mix for Carbon Cathode Blocks at Room Temperature,” in Light Metals 1979, edited by Warren S. Peterson, The Metallurgical Society of AIME, Warrendale, Pennsylvania 1979, pp. 647–661.

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Authors and Affiliations

  1. Smelting Research and Development, Alcoa Laboratories, Alcoa Center, Pittsburgh, Pennsylvania, 15069, Switzerland

    M. Benjamin Dell (Technical Consultant)

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  1. M. Benjamin Dell
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Additional information

Dr. Dell received a BS in chemical engineering from Tufts College and a PhD in fuel technology from Pennsylvania State College. After working in the research laboratories of the Barrett Division, Allied Chemical & Dye Corporation, and the Flintkote Company, he joined Alcoa Laboratories in 1951. His patents and publications are in the areas of carbon electrodes for aluminum smelting, manufacture and electrolysis of aluminum chloride, coal conversion processes, and boxboard emulsions. He is a member of The Metallurgical Society of AIME.

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Dell, M.B. Nonfuming Carbonaceous Mix For Constructing Seams and Linings Of Metallurgical Vessels. JOM 34, 43–47 (1982). https://doi.org/10.1007/BF03338074

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  • DOI: https://doi.org/10.1007/BF03338074

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