Yuan Jigang, professor, master’s supervisor, and member of Zigong EIA expert panel. Mainly engaged in teaching and researches on water pollution control and resource utilization of wastes, took charge of (participated in) more than 30 provincial and municipal-level scientific research projects, published more than 20 papers, applied for more than 10 patents, completed more than 10 engineering designs, and won 1 third prize in the Science and Technology Progress Award of Sichuan.