Synthesis of an activated carbon based urea formaldehyde resin and its adsorption and recognition performance towards Fe(iii)
作者： Ou Guo-Li , Gao Jian-Feng , Hu Tuo-Ping , An Fu-Qiang , Wang Yu
DOI: 10.1039/C5RA11795J
关键词:
摘要: Rare earths are very important strategic resources. However, impurities, such as Fe(III), have great adverse impacts on the properties of rare earth materials. Therefore, efficient and easy removal non-rare impurities from is extremely important. A novel activated carbon, ACUF700, was synthesized using a homemade urea formaldehyde resin carbonized at 700 °C. The ACUF700 characterized surface area analyzer, FT-IR, elemental analysis, SEM methods. adsorption recognition towards Fe(III) ions were studied. BET special 702.3 cm3 g−1, average pore diameter 2.044 nm. possesses strong affinity excellent selectivity for Fe(III). capacity could reach 12.8 mg relative coefficient to La(III) 28.0. Besides, easily regenerated diluted hydrochloric acid solution eluent, good reusability.
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