Temperature and frequency dependencies of the permittivities of nickeliferous silicate laterite ores and reaction mixtures

CA Pickles, O Marzoughi - Powder Technology, 2023 - Elsevier
The global demand for nickel metal continues to grow, while the resource base for nickel is
transitioning from the nickel sulphide ores to the nickeliferous laterite oxide ores …

Permittivity measurements at high temperatures of selected pyrometallurgical minerals

O Marzoughi, CA Pickles - Materials Chemistry and Physics, 2024 - Elsevier
In pyrometallurgical processes, the temperatures attained are amongst the highest of all
industrial chemical processes and consequently the energy requirements are considerable …

[HTML][HTML] A High-Performance Microwave Heating Device Based on a Coaxial Structure

J Duan, W Xiao, G Liu, F Yang, H Zhu, Y Yang - Processes, 2024 - mdpi.com
Continuous-flow microwave heating stands out for its ability to rapidly and uniformly heat
substances, making it widely applicable in chemical production. However, in practical …

[PDF][PDF] A Comparison Between Conventional and Microwave Heating for the Thermo-concentration of Nickel from Pyrrhotite Tails

MJS Jaansalu - 2024 - qspace.library.queensu.ca
In nickel sulphide ore deposits, nickel is found in one of two minerals: pentlandite, which
contains approximately 30 wt% Ni, and pyrrhotite, where the nickel content is less than 1 …