Coal slurry - Wikipedia
A 2014 coal slurry spill into a river at Patriot Coal, West Virginia. A straw impoundment has been created across the river to try to hold the spillage. [7] Ideally, coal slurry consists only of …
Impoundments | Office of Surface Mining Reclamation and …
Impoundments are constructed by building a retaining embankment with coarse coal waste across a valley to create a fine coal waste collection basin. The water transporting the fine coal slurry …
Exploring Erosion of Reclaimed Coal Refuse Impoundments
Jun 30, 2023 · The closure rates of idled coal refuse impoundments are increasing. The reclaimed structures are engineered to limit erosion, prevent impounding water, and to lower landslide …
Coal Waste Impoundments: Risks, Responses, and Alternatives
On October 11, 2000, a breakthrough of Martin County Coal Corporation's coal waste impoundment released 250 million gallons of slurry in near Inez, Kentucky. The 72-acre …
3 Planning Coal Slurry Refuse Impoundments | Coal Waste Impoundments …
Operation of a coal waste slurry impoundment requires management of the slurry liquid without discharge into the surrounding environment, as well as accommodation of natural precipitation …
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Chapter 3
Under MSHA regulations, a facility or structure requires an approved impoundment plan when it exceeds a threshold height or has the potential for impounding a threshold volume of water …
Sep 22, 2022 · Coarse coal refuse (CCR) is commonly used to con-struct dams to retain a slurry of fine coal refuse (FCR) and water. A site investigation, and in-situ and laboratory testing …
Since impounded slurried waste has high water content and low shear strength, an inadequately designed or constructed impounding structure is susceptible to the flow failure via a breach of …
The U.S. Has Nearly 600 Coal Waste Sites. Why They've Got West ...
Apr 24, 2015 · In 2000, the Big Branch Slurry Impoundment near Inez, West Virginia, collapsed into an underground mine and 309 million gallons of slurry were spilled. Many called it one of …
coal processing - CITIZENS COAL COUNCIL
Several large-scale disasters have occurred when the slurry impoundments failed. In 1972, 3 dams in West Virginia failed, dumping 130 millions gallons of slurry in the Buffalo Creek Flood, …