Economic Analysis of Heat Pump Recovery System for Circulating Water Waste Heat in Power PlantZe Wang, Honghong Shen, Qunyin Gu, Daoyuan Wen, Gang Liu, Weijun Gao and Jianxing RenE3S Web Conf., 256 (2021) 02011DOI: https://doi.org/10.1051/e3sconf/202125602011