Antonio Clareti Pereira* PhD in Chemical Engineering São Paulo University – USP Belo Horizonte – MG – Brazil DOI: 10.5281/zenodo.20098962 Hydrolysis-based precipitation is widely used in hydrometallurgy for impurity removal and metal recovery; however, the resulting hydroxide precipitates frequently exhibit Read More …
Tag: Hydrometallurgy
Processing of Platinum Group Metals: From Primary Ores to Secondary Resources and Sustainable Recovery Strategies
Antonio Clareti Pereira* Ph.D. in Chemical Engineering, Federal University of Ouro Preto (UFOP) – Department of Graduate Program in Materials Engineering, Ouro Preto, MG, Brazil DOI: 10.5281/zenodo.19670876 Platinum group metals (PGMs), including Pt, Pd, Rh, Ir, Ru, and Os, are Read More …
Recovery of Rare Earth Elements from Hard Disk Drives: Technologies, Challenges, and Circular Economy Perspectives
Antonio Clareti Pereira* PhD in Chemical Engineering Federal University of Minas Gerais – UFMG, Department of Chemical Engineering Belo Horizonte – MG – Brazil DOI: 10.5281/zenodo.19068704 Rare earth elements (REEs), especially neodymium (Nd), praseodymium (Pr), and dysprosium (Dy), are crucial Read More …
Mechanical Activation in Metallurgical Processing: Mechanisms, Applications and Industrial Perspectives
Antonio Clareti Pereira, Ph.D.* Department of Graduate Program in Materials Engineering Federal University of Ouro Preto (UFOP) Ouro Preto, MG, Brazil DOI: 10.5281/zenodo.18912251 Mechanical activation (MA) has emerged as an effective process-intensification strategy in metallurgical processing, modifying the structural and Read More …
The Caron Process for Nickel Laterites: A Critical Review of Recent Developments, Limitations, and Research Gaps
Antonio Clareti Pereira* PhD in Chemical Engineering, Federal University of Minas Gerais – UFMG, Department of Chemical Engineering Belo Horizonte – MG – Brazil DOI: 10.5281/zenodo.18369415 The Caron process is among the earliest hydrometallurgical technologies for processing nickel laterite, combining Read More …
Antimony Hydrometallurgy from Primary and Secondary Sources (2020–2025): Critical Review of Leaching Systems and Downstream Separation
Antonio Clareti Pereira* Ph.D. in Chemical Engineering, Federal University of Ouro Preto (UFOP) – Department of Graduate Program in Materials Engineering, Ouro Preto, MG, Brazil. DOI: 10.5281/zenodo.18176967 Antimony (Sb) is a critical element with growing strategic importance, yet its hydrometallurgical Read More …

