Haidi LIU was born in Oct 17, 1976. He obtained his B.E. in 1997 from the Beijing University of Chemical Technology. He worked as an assistant engineer in the 6th Design Institute of Chemical Industry Ministry from 1997 to 1999. He achieved his M.S. degree from the Beijing University of Chemical Technology in 2002, and his Ph.D degree from the Institute of Process Engineering (IPE), Chinese Academy of Sciences (CAS) in 2006. In 2008, he finished his postdoctoral research in Tsinghua University, and started his career as a researcher in IPE. He focuses on studies of preparing new functional material for environment protection, novel dust removal technique, solid(hazardous) waste treatment and recycling. He was in charge of one 863 project, two directionality projects of CAS, one strategic priority research program of the CAS and many enterprise cooperation projects. He published more than 30 research papers and applied 35 patents with 21 granted.