Original ResearchPublished 16 April 2026Investigation on partial acidulation of rock phosphate using acetic acid and acidic calcium phosphate solutionsYouness Sedki Alaoui · Yuriy Sakhno · Pavlo Ivanchenko · Mohamed Hafidi · Martin Jemo · Deb P. JaisiFrontiers in Chemical Engineeringdoi 10.3389/fceng.2026.1779902