Conclusions
The laboratory and industrial investigations of fireclays in the Kimovsk coalfields corroborate their suitability for the production of grade B chamotte and ceramic ware.
The deposits of fireclay in the Kimovsk coalfields may serve as an additional source of raw material for the refractory plants of the Central region.
The quality of the fireclays may be substantially improved by a thorough removal of gangue and coal from the top layer and selective miningby medium power rotary excavators.
The complex exploitation of the deposit is economically justified insofar as fireclay mining is a secondary process with the per ton cost not exceeding 90 kopeks.
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Kiryukhin, S.M., Gusenkov, A.M. Fireclay mining in Kimovsk coalfields. Refractories 3, 59–62 (1962). https://doi.org/10.1007/BF01300994
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DOI: https://doi.org/10.1007/BF01300994