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首页> 外文期刊>The Kasetsart Journal >Adsorption of Reactive Dye by Eggshell and Its Membrane
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Adsorption of Reactive Dye by Eggshell and Its Membrane

机译：蛋壳及其膜对活性染料的吸附。

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摘要

The use of eggshell and its membrane as adsorbents for the removal of reactive dye from aqueous solutions was investigated. The adsorption characteristics of C.I. Reactive Yellow 205 by various components of eggshells were investigated by fitting the experimental data to Freundlich and Langmuir isotherms. Eggshell membranes had a much larger (10 to 27 - fold) capacity to adsorb the dye than did the other components. The initial pH of dye solutions in the range 4-9 did not influence significantly the adsorption of dye by eggshell with membrane and the highest value of adsorption capacity was observed at 35℃. The extent of adsorption of the dye was related directly to the surface area of the adsorbent. The results presented demonstrate clearly that eggshell with its membrane attached is a potentially useful material to be used for the removal of reactive dyes from industrial wastewater.
机译：研究了蛋壳及其膜作为吸附剂从水溶液中去除活性染料的用途。 C.I.的吸附特性通过将实验数据拟合到Freundlich和Langmuir等温线，研究了蛋壳各个成分的活性黄205。蛋壳膜比其他组分具有更大的吸附染料的能力（10到27倍）。染料溶液的初始pH值在4-9范围内，对蛋壳在膜上的染料吸附没有显着影响，在35℃时观察到最高的吸附容量。染料的吸附程度直接与吸附剂的表面积有关。呈现的结果清楚地表明，附有膜的蛋壳是用于从工业废水中去除活性染料的潜在有用材料。

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