On invitation of Professor Han Yifan from State Key Laboratory of Chemical Engineering,Professor B.M.Weckhuysen of Debye Nano Science Institute, Utrecht University, Netherlands，visited ECUST for academic exchanges on May 17th, 2016. Accompanied by professor Han Yifan, Professor Weckhuysen visited the State Key Laboratory of Chemical Engineering,where he was impressed by the excellent facilities and professional staff. Professor Weckhuysen also visited the Institute of Clean Coal Technology.