Powder and Bulk Engineering
Friday, August 22, 2014
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Powder and Bulk Engineering is a technical publication devoted to readers in the bulk solids market, worldwide.
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Publication Date: 12/2000
Pages: 4
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Briquetter solves a pressing problem

A limestone mining and processing plant installs a roll-press briquetter to turn previously wasted fines into valuable product.

Finding a market for process by-products has challenged companies in all industries as competition and cost-cutting goals -- not to mention environmental concerns -- have driven the search for alternatives to landfilling or storage. The mining industry is no different. Linwood Mining & Minerals Corp. has operated a calcium carbonate limestone mining operation near Davenport, Iowa, for more than half a century. It sells aggregate limestone to the construction industry and pebble lime to water treatment plants and the steel industry. Hydrated lime fines were sold for stack purification [desulfurizing] and asphalt paving. Increased production, however, eventually left the plant with more fines than it could sell.

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