In this paper, we used coprecipitation method to prepare different ratios of $\text{Mn}/\gamma -{\text{Fe}}_3{\text{O}}_4$ to remove Hg⁰. Different ratios of Mn and Fe could affect the mercury removal efficiency of $\mathrm{M}\mathrm{n}/\gamma -\mathrm{F}{\mathrm{e}}_3{\mathrm{O}}_4$. The mechanism of Hg⁰ adsorption on the surface of $\mathrm{M}\mathrm{n}/\gamma -{\mathrm{F}\mathrm{e}}_3{\mathrm{O}}_4$ matches the Mars-van Krevelen reaction mechanism. The catalytic oxidation of mercury on the surface of the sample is related to Fe and Mn. We also performed a pseudo-first-order kinetic model and an improved pseudo-n-order kinetic model. In addition, the external magnetic field has a certain promoting effect on the mercury removal.

中文翻译：

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研究不同比例的锰铁作为一种有效的除汞吸附剂：外部磁场的作用

在本文中，我们使用共沉淀法制备了不同比例的 $\text{锰}/\gamma --{\text{铁}}_3{\text{Ø}}_4$去除Hg ⁰。Mn和Fe的不同比例会影响汞的去除效率。$\mathrm{中号}\mathrm{ñ}/\gamma --\mathrm{F}{\mathrm{Ë}}_3{\mathrm{Ø}}_4$。Hg ⁰在金属表面吸附的机理$\mathrm{中号}\mathrm{ñ}/\gamma --{\mathrm{F}\mathrm{Ë}}_3{\mathrm{Ø}}_4$与Mars-van Krevelen反应机制匹配。汞在样品表面的催化氧化与铁和锰有关。我们还执行了伪一阶动力学模型和改进的伪n阶动力学模型。另外，外部磁场对除汞有一定的促进作用。