Chenhui Li, Peipei Du
Ti-bearing blast furnace slag (TBS), a byproduct of vanadium–titanium magnetite smelting, serves as an important secondary resource for titanium recovery. However, the complex mineralogical composition and finely dispersed nature of titanium in TBS present significant challenges for efficient extraction. This review systematically examines four major titanium extraction routes: hydrometallurgical leaching, pyrometallurgical smelting, molten salt electrolysis, and selective precipitation, focusing on their limitations and recent improvements. For instance, conventional acid leaching suffers from acid mist release, a colloidal formation that hinders titanium recovery, and waste acid pollution. The adoption of concentrated sulfuric acid roasting activation effectively suppresses acid mist emission and prevents colloidal generation. Pyrometallurgical approaches are hampered by high energy consumption and substantial carbon emissions, which can be alleviated through the use of gaseous reductants to enhance reaction efficiency and reduce environmental impact. Molten electrolysis faces issues such as polarization.
@article{bbfdd27c-8b79-4470-8a14-c3354ef7108b,
title={2025 C. X. Li Advances in Integrated Extraction of Valuable Components from Ti Bearing Slag met15101080},
author={Chenhui Li and Peipei Du},
year={2026},
language={en}
}TY - JOUR TI - 2025 C. X. Li Advances in Integrated Extraction of Valuable Components from Ti Bearing Slag met15101080 AU - Chenhui Li AU - Peipei Du PY - 2026 LA - en ER -
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