Copper, nickel and zinc removal by peanut hulls: batch and column studies in mono, tri-component systems and with real effluent
by
Oliveira F.D. , Soares A.C., Freitas O.M. and Figueiredo S.A.
Detoxification of toxic metal ions by sorption onto activated carbon from hevea brasiliensis bark – a comparative study
by
Kannan N. and Veemaraj T.