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Effects of metal loading on activated carbon on its adsorption and desorption characteristics

机译:金属负载对吸附和解吸特性活性炭的影响

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Metal loaded activated carbons (AC) were synthesized for an application in NH3 enrichment through repeated adsorption and desorption. The metal loaded activated carbons possesses higher NH3 adsorption capacity than the raw AC at room temperature. Mg loaded AC (AC-Mg) showed about 10 times (6.34 mg NH3/g) higher adsorption capacity than raw AC and its adsorption capacity was maintained even in repeated breakthrough tests. Metal loading on activated carbon increased the concentration of surface oxygen, which provides relatively weak adsorption sites for NH3 so that the adsorbed NH3 can be released relatively easier compared to the case of raw AC. (C) 2019 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
机译:通过重复的吸附和解吸合成金属负载活性炭(AC)以在NH3富集中的应用。 金属负载活性炭具有比室温下的原始AC更高的NH 3吸附容量。 Mg加载的AC(AC-MG)显示约10倍(6.34mg NH 3 / g)的吸附能力比原始AC更高,并且即使在反复的突破试验中也保持吸附能力。 在活性炭上的金属负载增加了表面氧的浓度,其为NH 3提供相对较弱的吸附位点,使得与原始AC的情况相比,吸附的NH 3可以相对容易地释放。 (c)2019年韩国工程化学学会。 elsevier b.v出版。保留所有权利。

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