Mohsen HASHEMZADEHFIN, Jana FICERIOVÁ
The use of mechanical activation to enhance gold recovery from a CuPbZn complex sulfide concentrate was investigated. The effects of milling time, ball size, sample to ball ratio and milling speed on thiosulfate leaching were studied. Under optimum conditions of milling time 1 h, ball size 20 mm, sample to ball ratio 1/15 and mill speed 600 r/min, nearly 78% of sample is amorphized, particle size decreases from d10=30 µm to d90=8 µm, specific surface area increases from 1.3 m²/g to 4.6 m²/g and gold recovery enhances from 17.4% in non-activated sample to 73.26%. The results for the mechanically activated samples indicate that the changes in structural disordering of the gold-bearing spherolite brought about an increase in gold recovery in the process of thiosulfate leaching.
@article{367f1371-395d-4091-ae7c-86aa0fb59a1e,
title={Effect of mechanical activation on thios},
author={Mohsen HASHEMZADEHFIN and Jana FICERIOVÁ},
year={2026},
language={en}
}TY - JOUR TI - Effect of mechanical activation on thios AU - Mohsen HASHEMZADEHFIN AU - Jana FICERIOVÁ PY - 2026 LA - en ER -
Roger Rumbu
This paper addresses the challenge of assessing the feasibility of wind power plant projects at sites with insufficient or no local historic wind data
Important advances in electrochemical engineering technology over the last three decades have fostered the development of a lternative methods to alle