Suggestion Research Study About Refinery

I am currently a chemical engineering undergraduate, and next month i will undergo the industrial training in a oil refinery for 3 months, and after the industrial training then gonna be my final year study, and i gonna have a final year research project.

i was thinking whether is there any opportunity for me to do topics where i can apply my experience i gonna gain in refinery. one of my chem eng frens suggested me to work or collaborate with the refinery i attached during my internship and do a research study, and personally i am quite interested in it. for instance like getting some data from the refinery, do some analysis., etc.

is any process engineer working in refinery can provide any suggestions for me ? before this i was thinking about the optimization work, but i am also thinking is there any other thing i can do .. something like the effect of process parameters of a process unit on the performance / product yield, or something like what heat integration improvement by pinch analysis, or like reduction of energy cost in certain unit.. etc.

Hope for everyone's guide and assist.

Thanks