On July 29, Hu Wenjie, director of Nanjing Municipal Water Affairs Bureau, Feng Chunmiao, deputy director of Nanjing Jianye District Water Affairs Bureau, Ju Maosen, executive deputy director of river head system research and training center of Hehai University and deputy director of National Engineering Research Center, and his delegation visited the foundation pit water project of ruijiete Olympic sports community center. Yin Qin (Chief Engineer), manager of R & D Department of Nanjing ruijiete membrane separation technology company Wanghuaiyong, project manager of Nanjing Olympic sports construction and Development Co., Ltd., received the guests and accompanied them to visit and explain.

At the project site, chief engineer Yin Qin introduced in detail the operation and maintenance of the super magnetic separation water purification equipment, including treatment process, key technology, information application, equipment control and maintenance services. Since the equipment was put into use, it has shown its outstanding advantages of short residence time, small floor area, good effluent quality, low operation cost and low wastewater discharge rate.

The leader and his party carefully observed the process and effluent effect of foundation pit water treatment by ruijiete super magnetic separation water purification equipment, and expressed affirmation and appreciation for the treated water quality. And said that Jianye District has taken the lead in the city to pilot the treatment of foundation pit water at the construction site, discharge iron ions and ammonia nitrogen after reaching the standard, replenish water to the river through the rainwater pipeline, and turn waste into treasure, so as to solve the pollution problem of foundation pit water discharged to the river.