Opportunities and challenges in dry comminution

High-pressure grinding rolls and vertical roller mills offer several potential benefits to mineral processing operations. by Jonathan Rowland Comminution circuit design has traditionally focused on reliability, ease of operation, CAPEX, and OPEX, with AG/SAG and ball mills the longstanding workhorses in mineral grinding applications. “AG/SAG mills played a crucial role in the evolution of mineral processing, as a single mill…

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