washery

/ ˈwɒʃərɪ /

noun

1. a plant at a mine where water or other liquid is used to remove dirt from a mineral, esp coal

Example Sentences

Onllwyn was the heart of the south Wales coalfield with local pits supplying a coal washery and more recently the Nant Helen opencast site.

From BBC

The chancellor is also set to announce £30m in funding towards a rail testing complex in south Wales, located at the Nant Helen surface mine and Onllwyn coal washery at the head of the Dulais and Tawe valleys.

From BBC

"We had a washery cleaning 5,000 bottles a week in the 1970s, but all that's gone now because we were told plastic was the future."

From BBC

Inside the coal washery where Spahn once worked—the largest building in the Zollverein mining complex—the air is clean, and its up to 8,000 miners have been replaced by one-and-a-half million tourists annually.

From Scientific American

So that a comparatively poor grade of coal can be made better, a washery, with a capacity of about 1800 tons per day has been erected and put in operation, which washes out a large percentage of the slate and other impurities in the coal; this means that a ton of washed coal has a greater heat value than the same amount of unwashed coal would have.

From Project Gutenberg