The research of urban sewage deep treatment technology as a large thermal power plant water source and power plant discharge (waste) water recycling integrated technology under the auspices of Professor Yong-you Hu, the project is built in Zhanjiang Zhongyue Energy Co., LTD. It has completely met the requirements of the Ministry of Environmental Protection for 2×600MW units of Zhanjiang Zhongyue Energy Co., LTD and 4× 330MW units of Zhanjiang Electric Power Co., LTD to use reclaimed water. So far, more than 24 million tons of groundwater has been saved, and the direct benefit of saving water resources costs can reach 24 million yuan.