Shanghai's first large-scale recycled water utilization project for industrial enterprises completed and put into use

Release time:Sep 18, 2024 16:52 PM

On September 18, the recycled water utilization project jointly undertaken by Shanghai Waigaoqiao Shipbuilding Co., Ltd., a subsidiary of China State Shipbuilding Corporation, and Shanghai Urban Construction Investment Co., Ltd. was completed at Waigaoqiao Shipyard, marking the official launch of the first large-scale recycled water utilization project in an industrial enterprise in Shanghai.

The water after sewage purification is recycled water. The recycled water of Zhuyuan Phase IV Sewage Treatment Plant under Shanghai Urban Investment Group Co., Ltd., which meets the Class A discharge standard after purification, will be used as ballast water for ships of Waigaoqiao Shipbuilding, irrigation water for plant greening, and cooling water for equipment commissioning.

Through this project, Waigaoqiao Shipyard expects to save about 700,000 tons of new water each year, equivalent to the water consumption of 370 standard swimming pools. Since recycled water is cheaper than new water, the company can save money while practicing the concept of green development.

In 2022, Shanghai researched and issued the "Implementation Plan for Promoting the Resource Utilization of Wastewater in Shanghai", which proposed the goal of carrying out "one district and one pilot" sewage resource utilization in the suburbs according to local conditions, actively encouraged the full utilization of the storage and transportation functions of existing or newly built infrastructure, realized the reuse of qualified tail water from urban sewage treatment plants, and actively expanded the ways of utilizing recycled water, providing a stable and reliable "second water source" for the city's industrial auxiliary water use, municipal miscellaneous water use, and river ecological replenishment.

The case of Shanghai Waigaoqiao Shipyard is expected to provide a replicable solution for the innovative application of water-saving and intensive technologies in the shipping sector.


Shanghai's first large-scale recycled water utilization project for industrial enterprises completed and put into use
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