Optimization design of thermal system for industrial waste heat power generation Fengchang Sun, Shiyue Li, Zhonghua Bai, Changhai Miao, Xiaochuan Deng, Dogyang Yu and Zhichao Zhang E3S Web Conf., 261 (2021) 01047 Published online: 21 May 2021 DOI: 10.1051/e3sconf/202126101047