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首页> 外文会议>WSEAS International Conference on Waste Management, Water Pollution, Air Pollution, Indoor Climate >Performance evaluation of industrial by-product phosphogypsum in the sorptive removal of nickel(II) from aqueous environment
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Performance evaluation of industrial by-product phosphogypsum in the sorptive removal of nickel(II) from aqueous environment

机译：产业副产物磷光膏在含水环境中镍（II）吸附除去的性能评价

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The removal of Ni(II) ions from aqueous medium by phosphogypsum was examined. The removal capacity of phosphogypsum for Ni(II) ions was studied as a function of solution pH, contact time, adsorbent dosage and adsorbate concentration. The maximum adsorption of the Ni(II) ions on the phosphogypsum was observed at the pH values between 9.5 and 11. The equilibrium time was attained after 30 min. and the maximum removal percentage was achieved at an adsorbent loading weight of 1 gm/100ml. The equilibrium adsorption capacity of adsorbent used for nickel was measured and extrapolated using linear Freundlich, Langmuir and Temkin isotherms and the experimental data were found to fit the Temkin isotherm model.
机译：研究了通过磷酸磷抑制器从水性培养基中除去Ni（II）离子。作为溶液pH，接触时间，吸附剂剂量和吸附剂浓度的函数研究了Ni（II）离子的磷酸磷膏的去除能力。在9.5和11之间的pH值下观察到Ni（II）离子对磷酸缺口的最大吸附。30分钟后达到平衡时间。并且在吸附剂负载重量为1gm / 100ml的吸附剂负载重量和最大去除率。使用线性Freundlich测量并推断用于镍的吸附剂的平衡吸附能力，并发现Langmuir和Temkin等温，并发现实验数据适合Temkin等温线模型。

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