At present, China has successively implemented a series of important current policies. It is explicitly stated that by 2025, the utilization rate of recycled water in cities with low water content at or above the prefecture level will exceed 25%, and the utilization rate of recycled water in cities such as Beijing, Tianjin, and Hebei will reach 35% or more. During the 14th Five Year Plan period, the production volume of newly created, renovated, and renovated raw water shall not be less than 15 million cubic meters per day.

At present, the utilization of sewage resources in China is still in the stage of insufficient development and design, and low utilization level. The improvement and use of membrane separation equipment can promote the utilization of water resources protection and improve the utilization rate of recycled water. Therefore, accelerating the utilization of sewage resources has become an inevitable trend in dealing with water resource pollution, water pollution environment, and water ecological environment problems, and promoting high-quality and green development.

The MBR integrated sewage treatment equipment adopts a combination of biochemical technology and membrane separation technology. Based on the interception efficiency of the membrane system software, the retention time of hydroelectric power generation and the retention time of sludge are completely separated, which can enhance the actual effect of organic compound removal. Eliminating traditional secondary sedimentation tanks can effectively save about 50% of the total land area. Membrane separation equipment can avoid the outflow of various bacterial communities, which is beneficial for the growth and development of bacteria (such as nitrifying bacteria) with slower growth and development rates, enabling the smooth progress of various metabolic processes in the system. Increase the residence time of difficult to decompose substances in biological macromolecules and enhance their actual dissolution effect.

From the global perspective of sustainable development, sewage treatment should not only aim to alleviate water source pollution as the overall goal, but also fully consider multiple overall goals, sustainable utilization of energy supply or recycling systems, in order to achieve sustainable development of the natural environment and the times, as well as the sustainability of wastewater treatment companies. Industrial wastewater treatment is not only a crucial public utility, but also an industry chain driven by current policies. The MBR integrated sewage treatment equipment has a very good effect, with very clear effluent, suspended solids and turbidity close to zero, stable effluent water, and more flexible operation. It has now become the best choice for sewage resource utilization.

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