柴油加氢脱硫反应路径影响机理研究进展

Study on the Mechanism of Pathway of Hydrodesulfurization

文章主要介绍了柴油馏分中难脱除的二苯并噻吩类(DBTs)硫化物存在的加氢脱硫反应路径,其中DDS和HYD是目前研究较多的主要反应路径。总结了催化剂活性助金属、硫化氢、氮化物以及氢分压对加氢脱硫反应路径选择性的影响并探究其影响机理。

The main reaction pathways of diesel dibenzothiophenes hydrodesulfurization were introduced. The hydrodesulfurization of DBTs main proceeds through direct desulfurization（DDS） and hydrogena- tion（HYD）. The impacts and mechanisms on path selectivity by catalyst active metal component, hydrogen sulfide, nitrogen compounds and hydrogen partial pressure were summarized.