Weir Minerals reported the installation of 19 Cavex 400CVX10 hydrocyclones at OceanaGold’s Didipio gold and copper mine in the Philippines has led to savings of more than $800,000 annually through a dramatic reduction in grinding circuit recirculation.

The Didipio mine expanded its production capacity, which increased the incumbent cyclones’ feed density beyond what they could effectively manage, leading to a circulating load of up to 700%, Weir reported.

The Cavex 400CVX10 hydrocyclones significantly improved separation efficiency due to their finely tuned spigot liner diameter, and the strength and corrosion resistance provided by its cast housing.

Thus, the hydrocyclones reduced the circulating load from 620% to 374%, Weir reported. The direct savings in power consumption, ball consumption, cyclone and pump maintenance costs exceed $815,000 per year.