Quality control and shipment planning at The Carter Mining Co.

Brown, J. D. ; Dille, J. A. ; Hand, J. P.
Organization: Society for Mining, Metallurgy & Exploration
Pages: 5
Publication Date: Jan 1, 1987
The purpose of this paper is to inform members of the coal producing and consuming community about techniques used by The Carter Mining Co. to control product quality at a large surface coal mining operation. During the early years of mining operations, coal quality received adequate attention but the company's main emphasis was to build up its production rate and minimize mining costs. While these goals are still of prime importance, coal quality has received additional attention in recent years. An objective that no coal shipment should exceed any contract or company-imposed coal quality specification has been successfully met. To implement this guideline, geology and coal quality modeling procedures were improved, in-pit drilling and blending programs were refined, and detailed shipment procedures were developed.
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