Study of Chromium Adsorption onto Activated Carbon

被引：0
|
作者：
Inga Zinicovscaia
Tatiana Mitina
Tudor Lupascu
Gheorghe Duca
Marina Vladimirovna Frontasyeva
Otilia Ana Culicov
机构：
[1] The Institute of Chemistry of the Academy of Sciences of Moldova,
[2] Joint Institute for Nuclear Research,undefined
[3] Academy of Science of Moldova,undefined
[4] National R&D Institute for Electrical Engineering,undefined
来源：
Water, Air, & Soil Pollution | 2014年 / 225卷
关键词：
Activated carbon; Atomic absorption spectrometry; Chromium; Neutron activation analysis;
D O I：
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学科分类号：
摘要：
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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