Mitchell S.W. LimThomas C.K. YangYeow Hong YapGuan-Ting PanSiewhui ChongT. Joyce Tiong2024-10-292024-10-292021-08https://doi.org/10.1016/j.jece.2021.105771https://dspace-cris.utar.edu.my/handle/123456789/5255Intensification and optimisation of nickel recovery from spent hydrogenation catalysts via ultrasound-augmented hydrometallurgyjournal-article