Brief description of the drawings

Figure 1 is an illustration of an exemplary embodiment of dispersant acting on particulate matter; Figure 2 is a flowchart of an exemplary embodiment of a method of regenerating used dispersant incorporated into lubricating oil in accordance with the present invention;

Figure 3 is an illustration of an exemplary embodiment of step

Figure 4 is a flowchart of an exemplary embodiment of a method of regenerating used dispersant incorporated into lubricating oil in accordance with the present invention; and

Figures 5A-D illustrate of an exemplary embodiment of steps 220-230 of the flowchart depicted in Figure 4