The effects of process conditions on the activity of catalysts during ex situ presulfurization using organic polysulfide as presulfuring agent were examined.

• 探讨了有机多硫化物在器外预硫化过程中影响催化剂活性的因素,认为浸渍液中硫化剂含量、干燥温度、硫化温度及氢压是影响催化剂活性的主要因素。