The models lumped reactants into three lumps including C6, C7 and C8+.Each carbon number lump was divided into normal-paraffin, iso-paraffin, naphthene and aromatics.

• 改进后的模型将重整物料分为C6、C7和C8+，每一个碳数的化合物又划分为正构烷烃、异构烷烃、环烷烃和芳烃4个集总，裂化产物C5-作为一个集总。