[HTML][HTML] Hydrometallurgical recovery of vanadium and calcium from electric arc furnace slag in hydrogen based steelmaking

M Kokko, M Manninen, T Hu, U Lassi, T Vielma… - Minerals …, 2024 - Elsevier
A two-stage direct leaching method has been applied to selectively recover calcium (Ca)
and vanadium (V) from electric arc furnace slag obtained from pilot-scale smelting of …

[HTML][HTML] Two-step process to recover metal and mineral residues from municipal solid waste incinerated (MSWI) ashes

T Van Truong, P Perumal, M Kokko, J Pesonen… - … and Building Materials, 2024 - Elsevier
The utilization potential of mineral fractions after metal recovery from fly ash and air pollution
control residues from a municipal solid waste incineration plant was studied. Chemical …

A Study of Direct NH4VO3 Crystallization from Dilute V Solutions and the Effect of Impurities (Fe, Mn) on Crystallization

M Kokko, T Hu, U Lassi, J Pesonen - Waste and Biomass Valorization, 2025 - Springer
Industrial side streams, such as steel slag, can contain significant amounts of vanadium (V),
and its recovery is important for their beneficial use. This study presents a simple approach …

Two-stage leaching of calcium and vanadium from high-calcium steelmaking slag

M Kokko, T Kauppinen, T Hu, P Tanskanen… - Environmental …, 2024 - Taylor & Francis
Vanadium (V) is a critically important element in many industries. A widely used recovery
process is a combination of roasting and leaching. However, roasting is an energy-intensive …

[PDF][PDF] Microwave Processing of Black Mass from Spent Lithium-ion Batteries

MM Hossain - 2024 - utupub.fi
In this Master's thesis, the effect of microwave radiation on the black mass derived from
spent lithiumion batteries was analysed with an aim of discovering an energy-efficient, and …

Re-Os Isotope Measurement: Feasibility of Dissolving Re and Os from Natural Graphite Using Inverse Aqua Regia

J Zhang, C Li, X Li, H Ren, PY Yu, L Zhou… - Available at SSRN … - papers.ssrn.com
Abstract Rhenium-osmium (Re-Os) isotopic dating is a widely used method to determine the
ages of mineral deposits. Recently, it has been increasingly applied to natural graphite …