Recovery of Nickel from Spent Nickel Catalyst

Spent nickel catalyst is generated byvarious chemical and industrialprocesses particularly inhydrogenation of natural oils andfats. The spent catalyst generated by the Malaysian palm oil industry usually comesfrom two processes: hydrogenation of soft oilsto fat or hydrogenation of fatty acids of highiodine value (IV) to fatty acids of low IV. Theaverage nickel content in the ..