Guadalupe Lizeth Leyva-Soriano, Jesús Leobardo Valenzuela-García
The increasing demand for lithium in energy storage technologies has renewed interest in clay-type deposits as alternative resources to brines and hard rock ores. This study investigates the leaching behavior of a Mexican clay-type lithium ore through conventional, hot, and pressure leaching using sulfuric acid. Mineralogical characterization (XRD and SEM–EDS) revealed that montmorillonite (~56 wt.%) is the primary lithium-bearing phase. Conventional leaching with 1–8 M H2SO4 resulted in limited lithium dissolution (<30% after 24 h), whereas hot leaching at 80 ◦C increased extraction to ~39%. Pressure leaching with oxygen overpressure significantly enhanced lithium dissolution, achieving ~64% within 180 min under 8 M H2SO4 and 80 ◦C. Kinetic modeling using a pseudo-first-order model accurately reproduced the extraction profiles, yielding increasing rate constants and equilibrium conversions with temperature. The low activation energy (~12 kJ·mol−1) indicates that lithium dissolution proceeds readily under the studied conditions.
@article{8696d39a-5a6e-4e54-a426-ff1519094eb7,
title={Lithium Recovery from a Clay-Type Ore by Pressure Leaching Oxidation: A Kinetic Study},
author={Guadalupe Lizeth Leyva-Soriano and Jesús Leobardo Valenzuela-García},
year={2026},
language={es}
}TY - JOUR TI - Lithium Recovery from a Clay-Type Ore by Pressure Leaching Oxidation: A Kinetic Study AU - Guadalupe Lizeth Leyva-Soriano AU - Jesús Leobardo Valenzuela-García PY - 2026 LA - es ER -
The leachability tests for manufacturing scrap TV boards (STVB) have indicated the release of metals beyond the limit levels with potential problems f
Printed circuit boards (PCBs) from electronic gadgets at the end of their useful life period are currently being dumped in landfills or incinerated, c
Mark E. Schlesinger, Matthew J. King
This book presents a comprehensive overview of the principles and practices of copper extraction metallurgy. The objective is to provide both a theore
Blair Burwell
The exhaustion of current vanadium sources and the emergence of new applications are driving the need for innovative methods of extraction. The aim of
Non spécifié
L'hydrométallurgie du cuivre, principalement axée sur les minerais oxydés facilement solubles, s'applique également aux minerais sulfurés ou mixtes ap
Ir. Méshac KIME ILUNGA
Ce document traite des procédés métallurgiques spéciaux, en mettant particulièrement l'accent sur l'extraction liquide-liquide, un processus mis au po