The hydro-demetallization kinetic model and the expression of catalyst deactivation function were proposed on the base o摘要依据茂名渣油加氢工业装置(S-RHT)的大量实测数据,通过合理的模型假定,采用常规的动力学模型研究方法,建立了渣油加氢脱金属动力学模型和催化剂失活函数表达式。