From Ferrous Sulfate Waste to Fertilizer and Metal Powder: Thermodynamics, Process Integration, and Circular Economy Opportunities for Dual-Product Recovery

Antonio Clareti Pereira* PhD in Chemical Engineering São Paulo University – USP Belo Horizonte – MG – Brazil DOI: 10.5281/zenodo.20596981 Ferrous sulfate is produced in large quantities by hydrometallurgical operations, steel pickling, titanium dioxide manufacturing, acid regeneration circuits, and several Read More …