Coal slurry consists of solid and liquid waste and is a by-product of the coal mining and preparation processes. It is a fine coal refuse and water. Mining generates enormous amounts of solid waste in the form of rocks and dirt. This refuse is used to dam the opening of a hollow between adjacent mountains. After the dam is built, the void behind i...
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http://en.wikipedia.org/wiki/Coal_slurry
(from the article `coal utilization`) Pulverized coal can be mixed with water and made into a slurry, which can be handled like a liquid fuel and burned in a boiler designed to burn oil. ... Coal slurry is a mixture of crushed coal and a liquid such as water or oil. The traditional mixture, first patented in England in 1891, consists of...
Found on
http://www.britannica.com/eb/a-z/c/101
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