Qing ChangProf. Qing Chang was born in 1947 and graduated from Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences in 1983, and his major is environmental chemistry. Prof. Qing Chang is currently a professor in the School of Environmentl and Municipal Engineering at Lanzhou Jiaotong University of China. He is also a Member of Expert Panel of National Natural Science Foundation of China. He was a Member of Council of Chemical Society of Gansu province of China from 1990 to 2000 and a Member of Expert Panel of China National High-tech R&D Program (863 Program) from 2000 to 2004.Professor Chang's major areas of interest are water environmental science, materials and methods for water treatment, coagulation and flocculation and adsorption. He has taught colloid and interface chemistry for 20 years. He has been active over 40 years in his field and completed various research projects. He has authored over 100 papers published in peer-reviewed journals and six books published in China presses. He was also awarded three prizes by the government of Gansu Province for his contribution to science and technology development program. Read More Read Less