g/mariam berhe, medhin; teju, Endale Major Advisor (PhD; taddesse, Abi Co-Advisor(PhD)
(Haramaya university, 2019-06)
The main target of this study was to investigate the efficiency of pumice on the removal of Cr(VI) and Pb(II) ions from aqueous solution. The experimental procedure for the adsorptive removal of the two cations was carried ...