Zhang Fang is a lecturer at the School of Culture, Huazhong University of Science and Technology, and deputy director of the Department of Environmental Engineering. I graduated from School of Environmental Engineering of Wuhan University with a bachelor's degree and graduated from School of Environmental Engineering of Wuhan University of Technology with a master's degree. In July 2006, I began to teach and study water pollution control engineering at Wenhua School of Huazhong University of Science and Technology.