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The effect of Ca2+, Al3+ and Fe3+ on phosphate sorption on sediment

机译:Ca2 +,Al3 +和Fe3 +对沉积物磷酸盐吸附的影响

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Metal ions have very important influence on the sorption behavior of phosphate on sediments. In this research, the overlying water and sediment from Dianchi Lake were took as the sorbate and sorbent, respectively, to investigate the effect of Ca2+, Al3+ and Fe3+ on phosphate sorption on sediment. As the results showed, all these three metal ions can improve the sorption of phosphate, which in overlying water, on sediment. By contrast, the abilities of three metal ions to improve phosphate sorption on sediment were followed the order: Ca2+ < Al3+ < Fe3+. This indicated that Fe3+ is of great effect for reducing the concentration of phosphate in overlying water.
机译:金属离子对磷酸盐对沉积物的吸附行为具有非常重要的影响。在这项研究中,滇池覆盖水和沉积物分别作为山梨酸盐和吸附剂,研究了Ca2 +,Al3 +和Fe3 +对沉积物磷酸盐吸附的影响。结果表明,所有这三种金属离子都可以改善磷酸盐的吸附,在沉淀物上的覆盖物中。相比之下,三种金属离子改善沉积物上磷吸附的能力进行了序列:Ca2 +

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