Effect of residue hydrotreating on colloid stability was studied by the onset of asphaltene deposition adding n-alkane and coking inducing periods heating reaction.

• 利用向渣油中加入正构烷烃引起沥青质沉积起始点的变化以及渣油热反应生焦诱导期的变化,证实了加氢处理对渣油胶体稳定性的影响。