A Beacon in the Realm of Wastewater Management：Less Land Occupation，Ultimating Nitrogen and Phosphorus Removal and a Shorter Construction Period——Dongguan Houjie Heishuipi Integrated Sewage Treatment Service Project

A Beacon in the Realm of Wastewater Management：Less Land Occupation，Ultimating Nitrogen and Phosphorus Removal and a Shorter Construction Period——Dongguan Houjie Heishuipi Integrated Sewage Treatment Service Project

Why does sewage treatment matter and what challenges do we face in ensuring it is done efficiently and sustainably? Consider the sheer volume of wastewater generated daily by households, industries, and agriculture. Now imagine the impact untreated sewage could have on our health, our water sources, and the environment. The challenge lies in developing sewage treatment solutions that are not only effective but also environmentally friendly, affordable, and easy to implement.

Enter the Dongguan Houjie Heishuipi Integrated Sewage Treatment Service Project. This innovative solution, located in Dongguan, China, is a beacon of hope in the realm of wastewater management.

To combat the black and odorous pollution of the Heishuipi River, a temporary sewage emergency treatment facility was constructed around it. The project, completed in a record two months, employs the vertical flow A/RPIR process for the first time. With a treatment scale of five thousand cubic meters per day, the effluent water quality surpasses the first grade A standard of the Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant. The treated water is also used as ecological water supplementation to the river.

So, what makes this project special? Three key highlights stand out. Firstly, the vertical flow A/RPIR process is applied, achieving a coupling and superposition of anoxic reaction, aerobic reaction, and sludge-water separation in the vertical direction. This method requires a small area, with the biochemical facility covering only 0.068 square meters per ton of water.

Secondly, even when dealing with influent water with a low carbon nitrogen ratio, the project achieves ultimate nitrogen and phosphorus removal. The effluent quality is better than the first-grade A standard.

Lastly, the construction of the project utilized a prefabricated steel structure, making for a shorter construction period. Plus, there is no sludge reflux, simplifying management.

In conclusion, the Dongguan Houjie Heishuipi Integrated Sewage Treatment Service Project demonstrates how we can overcome the challenges of sewage treatment. It shows that with innovative thinking, we can develop solutions that are effective, environmentally friendly, cost-effective, and easy to manage. This project is not just a step, but a leap forward in ensuring a more sustainable future for all.

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