Under the auspices of the President of the University of Technology Prof. Dr. Amin Daway Thamir, the Department of Chemical Engineering held a poster exhibition for students of the third stage on a workshop entitled "Energy sustainability and rationalization in chemical engineering" on Thursday 16/5/2019. The head of chemical engineering department Asst. Prof. Dr. Khalid Ajami Sukkar opened the poster exhibition for students of the third stage and in the presence of a group of faculty members, employees and students of the department. The exhibition also aims to use the modern alternative energies used in the world, which have a role in the rational consumption of electricity and reduce pollution.