The adsorption of Cr(III) or Cr(VI) in the absence and presence of Cu(II) onto kaolin was investigated under pH 2.0–7.0. Results indicated that the adsorption rate was not necessarily proportional to the adsorption capacity. The solutions’ pH values played a key role in kaolin zeta potential (ζ), especially the hydrolysis behavior and saturation index of heavy metal ions. In the presence of Cu(II), qmixCr(III) reached the maximum adsorption capacity of 0.73 mg·g−1 at pH 6.0, while the maximum adsorption capacity for the mixed Cr(VI) and Cu(II) system (qmixCr(VI)) was observed at pH 2.0 (0.38 mg·g−1). Comparing the adsorption behaviors and mechanisms, we found that kaolin prefers to adsorb hydrolyzed products of Cr(III) instead of Cr3+ ion, ...
Heavy metal ions have very serious harmful effects on human health, living creatures and ecological ...
Adsorption of divalent heavy metal ions on iron oxide and kaolin is important to determine the trans...
The adsorption of hexavalent chromium on Kaolinite and Illite was studied in order to evaluate their...
International audienceIn the present study, experiments were performed to characterize the effective...
International audienceIn the present study, experiments were performed to characterize the effective...
International audienceIn the present study, experiments were performed to characterize the effective...
International audienceIn the present study, experiments were performed to characterize the effective...
International audienceIn the present study, experiments were performed to characterize the effective...
Abstract--The adsorption fCu *+ on kaolinite was studied at different ionic strengths following vari...
The driving mechanisms for flux occur at interface between the soil particles and solution during el...
The driving mechanisms for flux occur at interface between the soil particles and solution during el...
Adsorption capacity and percentage removal efficiency of Cu(II) and Ni(II) ions were studied and com...
(First received July 1994; accepted in revised form March 1995) Abstract--The sorption of Cu(II) was...
The effect of various physiochemical parameters on kinetics and equilibrium adsorption of Cu(II) met...
This study indicates kaolinite clay as an effective adsorbent for the uptake of Cu (II) from wastewa...
Heavy metal ions have very serious harmful effects on human health, living creatures and ecological ...
Adsorption of divalent heavy metal ions on iron oxide and kaolin is important to determine the trans...
The adsorption of hexavalent chromium on Kaolinite and Illite was studied in order to evaluate their...
International audienceIn the present study, experiments were performed to characterize the effective...
International audienceIn the present study, experiments were performed to characterize the effective...
International audienceIn the present study, experiments were performed to characterize the effective...
International audienceIn the present study, experiments were performed to characterize the effective...
International audienceIn the present study, experiments were performed to characterize the effective...
Abstract--The adsorption fCu *+ on kaolinite was studied at different ionic strengths following vari...
The driving mechanisms for flux occur at interface between the soil particles and solution during el...
The driving mechanisms for flux occur at interface between the soil particles and solution during el...
Adsorption capacity and percentage removal efficiency of Cu(II) and Ni(II) ions were studied and com...
(First received July 1994; accepted in revised form March 1995) Abstract--The sorption of Cu(II) was...
The effect of various physiochemical parameters on kinetics and equilibrium adsorption of Cu(II) met...
This study indicates kaolinite clay as an effective adsorbent for the uptake of Cu (II) from wastewa...
Heavy metal ions have very serious harmful effects on human health, living creatures and ecological ...
Adsorption of divalent heavy metal ions on iron oxide and kaolin is important to determine the trans...
The adsorption of hexavalent chromium on Kaolinite and Illite was studied in order to evaluate their...