In recent years, my country's water industry has developed rapidly. Tens of thousands of sewage treatment plants have been built across the country. They are about to turn to sewage collection pipe network renovation, internal facility renewal, technological optimization and transformation, and quality and efficiency improvement. Under the guidance of sewage treatment concept plants , reducing the energy consumption, material consumption and carbon emissions of water treatment, and promoting the green and sustainable development of the water industry has become an inevitable trend.

At present, the discharge standards of urban sewage treatment plants are mostly Class A. Membrane technology is one of the important process routes for upgrading and rebuilding of sewage treatment plants and new expansion. Pain points such as avoidance effect and non-stop water construction.