In this research, an integrated dynamic and steady state (IDSS) method was developed to accelerate the discovery of new materials for the capture of Hg⁰, a pollutant that is associated with fossil fuel utilization and has significant impacts on health and the ecosystem. A suite of metal sulfides and MoS₂-based binary metal sulfides were evaluated using this method. It was found that the existence of MoS₂ nanosheets promoted the Hg⁰ removal efficiency of these metal sulfides. Among the MoS₂-based metal sulfides studied in this research, Co–Mo–S and Cu–Mo–S exhibited excellent performance with an almost complete removal of Hg⁰ at low temperatures. The results are superior to their corresponding metal oxides and the MoS₂-containing adsorbent and are comparable to that of the commercial carbon-based adsorbent. Moreover, the working temperature windows for Hg⁰ capture were found to be broader for the Mo-based binary metal sulfides than the corresponding metal oxides. The Co–Mo–S and Cu–Mo–S also showed better performance on Hg⁰ capture than other samples. It is proved that the IDSS approach is an effective and efficient method for the rapid screening of adsorbents for Hg⁰ capture, which could be applied in the development of adsorption materials for environmental applications.

中文翻译：

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动态和稳态集成方法及其在含MoS ₂纳米片的Hg ⁰捕获吸附剂的筛选中的应用

在这项研究中，开发了一种集成的动态和稳态（IDSS）方法，以加速发现用于捕获Hg ⁰的新材料，Hg ⁰是与化石燃料利用相关的污染物，对健康和生态系统具有重大影响。使用该方法评估了一组金属硫化物和基于MoS ₂的二元金属硫化物。发现MoS ₂纳米片的存在促进了这些金属硫化物的Hg ⁰去除效率。在本研究中研究的基于MoS ₂的金属硫化物中，Co-Mo-S和Cu-Mo-S表现出优异的性能，几乎可以完全去除Hg ⁰在低温下。结果优于其相应的金属氧化物和含MoS ₂的吸附剂，并且可与市售的碳基吸附剂相媲美。此外，发现Mo基二元金属硫化物的捕获Hg ⁰的工作温度窗口要比相应的金属氧化物宽。Co-Mo-S和Cu-Mo-S在Hg ⁰捕获方面也表现出比其他样品更好的性能。事实证明，IDSS方法是一种快速有效的筛选吸附Hg ⁰的吸附剂的有效方法，可用于开发环境吸附材料。