Professor/doctoral supervisor of Xi'an Jiaotong University, graduated from Xi'an Jiaotong University with a Ph.D. in chemical engineering. Deputy Secretary General of Shaanxi Province "Three Wastes" Treatment and Resource Utilization Industry Alliance. Expert of Qinling Conservation Technical Committee of Shaanxi Province. After graduating in 1986, he has been engaged in teaching and research work related to environmental engineering and chemical engineering. His main research directions include industrial wastewater treatment, solid waste recycling and soil remediation. In the 36 years of work, he has presided over and participated in 18 national and provincial scientific research projects. It has won 4 scientific and technological achievement awards above the provincial and ministerial level. Based on the above research work, more than 40 academic papers have been published in domestic and foreign journals, and 20 national invention patents have been authorized.