Study of Chromium Adsorption onto Activated Carbon
2014
Zinicovscaia, Inga | Mitina, Tatiana | Lupașcu, Tudor | Duca, Gheorghe | Frontasyeva, Marina Vladimirovna | Culicov, Otilia Ana
The results of a comparative study of chromium removal from model systems and wastewater by activated carbon AG-5 are reported. The process of chromium adsorption from laboratory solution was studied at different activated carbon dosages. The results obtained by neutron activation analysis (NAA) and atomic absorption spectrometry (AAS) showed that about 85 % of chromium was removed from model systems and only 4 % from wastewater. The NAA data point to an increase of Fe, Ni, and Cu content in activated carbon after wastewater treatment, which is indicative of competitive adsorption.
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