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Research on Adsorption of H2S by Modified Activated Carbon

机译：改性活性炭吸附H2S的研究

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Activated carbon was modified by urea,potassium hydroxide and potassium respectively.The porosity of the samples properties was analyzed by nitrogen adsorption.Then it was used as adsorbent to catalyze and absorbed H2S from the gas based on dry distillation.The experiments in this paper were carried to study the effects including H2S concentration,impregnating solutions on adsorption of H2S on the modified activated carbon.The results showed that the adsorption capacity of the modified activated carbon was relevant with the kinds of pickling liquid and experimental conditions,On the whole.The lower was concentration of H2S,the higher would adsorption capacity of modified activated carbon be.At the same time the experiments also analyzed the samples of surface oxidation products through thermogravimetric analysis.
机译：分别用尿素，氢氧化钾和钾对活性炭进行了改性，通过氮吸附法对样品的孔隙率进行了分析，然后将其用作吸附剂，以干馏为基础，从气体中催化和吸附了H2S。进行了研究，考察了硫化氢浓度，浸渍液对硫化氢在改性活性炭上吸附的影响。结果表明，改性活性炭的吸附能力总体上与酸洗液的种类和实验条件有关。硫化氢的浓度越低，改性活性炭的吸附能力就越高。同时，实验还通过热重分析法对表面氧化产物进行了分析。

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