This paper describes the effect of loaded metal(including Fe, Cu, Mn, and Co) on catalytic performance of $\gamma$-Al₂O₃ catalysts for the removal of CH₃SH. The catalysts are synthesized by the method of impregnation, and used in room temperature to absorb CH₃SH. The experiment investigated the effect of components, loading and calcination temperature for the catalytic activity. The results showed that metal-modified $\gamma$-Al₂O₃ can enhance removal effect of CH₃SH. CH₃SH removal capacity of various metal-reforming catalysts decline as follows: Cu–Mn/$\gamma$-Al₂O₃> Cu–Co/$\gamma$-Al₂O${}_3\approx$ Cu/$\gamma$-Al₂O₃> Cu–Fe/$\gamma$-Al₂O₃> Co/$\gamma$-Al₂O₃> Mn/$\gamma$-Al₂O₃> Fe/$\gamma$-Al₂O₃. Among these samples the $\gamma$-Al₂O₃ catalyst loaded with 15% Cu and 5% Mn has the best removal rate and stability, which could reach a 100% removal rate of CH₃SH in about 85 min. The catalysts were characterized by XRD, N₂-adsorption/desorption techniques, CO₂-TPD and FT-IR. It indicated that CuO was the mainly active ingredient on $\gamma$-Al₂O₃ carrier. Meanwhile, as the second elements, MnO${}_{\mathrm{x}}$ was in favor of diffusion of CuO on the carrier and improved activity of catalyst.

本文描述了负载金属（包括铁，铜，锰和钴）对催化剂催化性能的影响。 $\gamma$-Al ₂ O ₃催化剂，用于去除CH ₃ SH。该催化剂通过浸渍法合成，并在室温下用于吸收CH ₃ SH。实验研究了组分，负载量和煅烧温度对催化活性的影响。结果表明，金属改性$\gamma$-Al ₂ O ₃可以增强CH ₃ SH的去除效果。各种金属重整催化剂对CH ₃ SH的去除能力下降如下：Cu–Mn /$\gamma$-Al ₂ O ₃ > Cu–Co /$\gamma$-铝₂ O${}_3\approx$ 铜/$\gamma$-Al ₂ O ₃ > Cu–Fe /$\gamma$-Al ₂ O ₃ > Co /$\gamma$-Al ₂ O ₃ > Mn /$\gamma$-Al ₂ O ₃ >铁/$\gamma$-Al ₂ O ₃。在这些样本中$\gamma$负载15％Cu和5％Mn的-Al ₂ O ₃催化剂具有最佳的去除率和稳定性，可以在约85分钟内达到100％的CH ₃ SH去除率。通过XRD，N ₂吸附/解吸技术，CO ₂ -TPD和FT-IR对催化剂进行了表征。表明CuO是铜的主要活性成分。$\gamma$-Al ₂ O ₃载体。同时，作为第二元素，MnO${}_{\mathrm{X}}$ 有利于CuO在载体上的扩散和提高催化剂的活性。