AP-42, CH 11.21: Phosphate Rock Processing - US Environmental .those phosphate rock processing operations associated with fertilizer manufacture . Consequently, there is no significant emission potential from wet grinding.availability and grinding of rock phosphate,The effect of grinding on the acidulation of phosphate rockThe effect of grinding the rock before acidulation has been shown to be beneficial (18, 22, . Figure 1. The differences in P2O5 availability are largely the result.
availability and grinding of rock phosphate