Figure 5. Pore volume and pore diameter of conversion rock phosphate after calcintion and zeolitization processes

From

Strategy for Boosting Rock Phosphate Efficiency and Conversion into Nano Zeolite

Hassan AZA, Abdel Wahab M Mahmoud

American Journal of Nanomaterials. 2016, 4(2), 27-38 doi:10.12691/ajn-4-2-1