Dr. Song DU is an associate researcher in China Coal Research Institute(CCRI). He is the general manager assistant of southwest branch of CCRI and the general manager of Pingxiang branch of CCRI. His major is industrial wastewater treatment. Dr. Du will spend one year in CEE as a visiting scholar from Dec. 2017 to Dec. 2018. He is grateful to become a member of the ACSSS family and honored to serve for the Chinese scholars. With the ACSSS family, he looks forward to enjoying a wonderful, fruitful, and memorable life in Stanford.