選せん炭たん

noun, noun or participle which takes 'suru', transitive verb, intransitive verb

coal dressing; coal concentration

Technical term used in mining and mineral processing for separating and upgrading coal. Can be used as a noun or with する as a transitive or intransitive verb.

• この工こう場じょうでは選せん炭たんが行おこなわれている。

  Coal dressing is carried out at this plant.

• 選せん炭たんしてから出しゅっ荷かする。

  We ship the coal after concentrating it.