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活性炭负载水合氧化铁对草甘膦吸附性能的研究

Keywords: 活性炭,水合氧化铁,草甘膦,吸附

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Abstract:

利用活性炭制备了水合氧化铁负载活性炭AC-Fe，并通过静态吸附实验研究了该材料对水溶液中草甘膦的吸附性能。研究结果表明，该负载方法可以在活性炭上嫁接72mg/g的铁，AC-Fe对草甘膦的最大吸附容量可以达到120mg/g；AC-Fe对草甘膦的吸附量随pH的升高而降低；磷酸根对AC-Fe的吸附性能具有明显的抑制作用，原因在于它能和铁离子形成内层络合物，与草甘膦竞争材料表面的吸附位点。

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