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beneficiation
In the mining industry beneficiation or benefication in extractive metallurgy, is any process which removes the gangue minerals from ore to produce a higher grade product (concentrate), and a waste stream (tailings). Some beneficiation processes are froth flotation〔http://www.cpchem.com/bl/specchem/en-us/Pages/IntroductiontoMineralProcessing.aspx〕 and gravity separation.
Other economic uses exist, for example in the diamond industry, the ''beneficiation imperative'' argues that cutting and polishing processes within the diamond value chain should be conducted in-country to maximise the local economic contribution.〔>(【引用サイトリンク】 Beneficiation )〕
==See also==
*Coal preparation plant
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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