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首页> 外文期刊>European Chemical Bulletin >ADSORPTION OF Pb(II) FROM AQUEOUS SOLUTIONS BY ACTIVATED CARBON PREPARED FROM AGRICULTURAL WASTE: MAIZE LEAVES
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ADSORPTION OF Pb(II) FROM AQUEOUS SOLUTIONS BY ACTIVATED CARBON PREPARED FROM AGRICULTURAL WASTE: MAIZE LEAVES

机译：农业废料制得的活性炭吸附水溶液中的Pb（II）

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Adsorption of Pb (II) from the aqueous solutions was studied using activated carbon prepared by agricultural waste maize leaves. The influence of Pb (II) concentration (5-30 mg L -1 ), pH (2-8) and contact time (0-120 min.) on adsorption have been reported. Adsorption of Pb (II) is pH dependent and the results indicate that, optimum pH for the removal was found to be 4 for maize leaves activated carbon (MLAC). The Freundlich and Langmuir isotherm models were also used to describe the adsorption of Pb (II) on MLAC .Results shows that both the isotherms were fitted well. Maximum adsorption of lead on MLAC attained was 96 %. The results suggest that MLAC can be used as adsorbent for the removal of Pb (II) from aqueous solutions as industrial wastewater.
机译：使用农业废玉米叶制备的活性炭研究了水溶液中Pb（II）的吸附。已报道了铅（II）浓度（5-30 mg L -1），pH（2-8）和接触时间（0-120分钟）对吸附的影响。 Pb（II）的吸附取决于pH值，结果表明，玉米叶活性炭（MLAC）的最佳去除pH为4。用Freundlich和Langmuir等温线模型描述了MLAC上Pb（II）的吸附。结果表明两个等温线拟合得很好。铅在MLAC上的最大吸附率为96％。结果表明，MLAC可以用作吸附剂，以作为工业废水从水溶液中去除Pb（II）。

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