| 摘要 |
A method of controlling the content of minerals that float naturally in the feed of a concentration plant flotation circuit processing valuable minerals, characterised in that after grinding, rougher floatation (l) is performed on minerals that float naturally into what is termed rougher concentrate, which is then stored. The tailing of rougher concentration forms the main feed of the valuable minerals floatation circuit (ll), to which the rougher concentrate is added as a pre-measured flow before flotation.
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