Comparison of standard and proxy comminution test results and their potential implications for equipment sizing and circuit design

W. Valery

doi:10.1016/j.mineng.2026.110751

Comparison of standard and proxy comminution test results and their potential implications for equipment sizing and circuit design

2026-08-11

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W. Valery *

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Raoni Lage

DOI：10.1016/j.mineng.2026.110751

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• Geopyörä results were compared with SMC and Bond standard comminution tests. • Weak correlations were found for Geopyörä estimates of DWi and A × b. • Moderate correlation was observed between Geopyörä and Bond-measured BWi. • Proxy-test uncertainty caused large differences in predicted energy and power. • Using proxy tests alone may increase risk in comminution circuit design.

Keywords:

Comminution

Proxy tests

Bond Ball Mill Work Index

SMC Test

Geopyörä

Circuit design

Comparison of standard and proxy comminution test results and their potential implications for equipment sizing and circuit design

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