环境和绿色催化（EnvironmentGreen.PDFVIP

环境和绿色催化(Environment Green Catalysis) 1、催化加氢脱硫(Catalytic Hydrodesulfurization) 催化加氢脱硫（HDS ）部分简介 在现有加氢脱硫过程的基础上对催化剂进行了改进，研制出具有更高脱硫活性或脱硫选择性 的新型催化剂，以满足环境法规对于柴油中硫含量越来越严格的要求，实现对柴油的超深度 脱硫。我组设计制备了新型的担载型过渡金属磷化物催化剂（MoP/SiO 、Ni P/SiO 、 2 2 2 Ni-Mo-P/SiO2 ），并通过了红外光谱技术对催化剂进行了表征，发现他们对于DBT 的HDS 反应活性是Ni P/SiO Ni-Mo-P/SiO MoP/SiO ，HDS 反应主要通过直接脱硫途径进行， 2 2 2 2 降低了脱硫过程中的氢耗，并且表现出较强的抗硫中毒性能。另外，我组还设计制备了新型 的非担载型多金属硫化物催化剂Ni-Mo-W-S ，在对于柴油的HDS 反应中其表现出了极高的 活性。对于这些新型催化剂的研究，为我们在现有的设备上实现柴油的超深度脱硫指明了未 来的发展方向。 Introduction of Hydrodesulfurization (HDS) In recent years, stringent environmental regulations for the sulfur content in diesel fuels have been enacted throughout the world. So several of new HDS catalysts had been designed and prepared by us to achieve ultra-deep desurfurization of diesel. We developed various transition metal phosphides, such as MoP/SiO , Ni P/SiO and 2 2 2 Ni-Mo-P/SiO2 and characterized the catalysts by infrared spectroscopy (IR). The HDS activities of the phosphides catalysts follow the order Ni P/SiO Ni-Mo-P/SiO 2 2 2 MoP/SiO . The HDS of DBT mainly occurs through direct desulfurization (DDS) 2 pathway. Further more, we also developed a novel unsupported NEBULA-like Ni-Mo-W sulfide catalyst which exhibited an excellent HDS activity in HDS of diesel. The ultra low sulfur-content diesel (ULSD) could be obtained by this catalyst. Our research results suggested that these new kinds of HDS catalysts are potentially a promising catalyst for hydrodesulfurization processing and deserve to a deep-going research. 2 、燃料油乳液催化脱硫（Desulfurization for Fuel Oil in Emulsion Catalysis