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The ability of untreated local rubber wood sawdust (RWS) to remove Cr(VI) was carried out under a bench-scale shaking condition by varying parameters such as initial Cr(VI) concentrations, adsorbent dosage, pH, temperature and eluting agent. Complete Cr(VI) removal was achieved at pH less than 2, initial Cr(VI) of 100 mg/L and RWS dosage of greater than 1.5 % (w/v). The point of zero charge (p ...
Phosphate sorption on pure and Ni-loaded iron hydroxide was studied as a function of pH (3–7), and temperature (293–323K). The sorption was observed to increase in both the solid samples with concentration and temperature of the system and decrease with the increase in pH. Further it was observed that nickel ion loading led to an increase in surface area and PZC, which resulted in an increased uptake...
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