FIGURE 10 Influences of recycle ratio on group composition of gas oil
The polycyclic aromatics content in coking gas oil was the highest as shown in Figure 10. So we take the molecules with Carbon Number=40 and DBE=12 in gas oil as examples to illustrate the molecule reaction path. According to the molecular composition matrix of feed oil, four typical molecular structures shown in Figure 11 are represented by Carbon Number=40 and DBE=12. The structural vectors are shown in Table 10.