With the development of economy and society, people pay more and more attention to environmental problems, especially water pollution. In order to effectively meet this challenge, many countries and regions are actively exploring and practicing new sewage treatment modes to achieve the win-win goal of environmental protection and sustainable economic and social development.

Traditional sewage treatment methods mainly remove harmful substances in wastewater by physical, chemical or biological means. Although the shortage of water resources is alleviated to some extent, there are some problems such as high treatment cost and high energy consumption. In view of these shortcomings, some innovative solutions have appeared in recent years:

1. Ecological purification technology: using the role of microorganisms in the natural ecosystem to degrade pollutants. For example, constructed wetland is a typical application example, which imitates the wetland function in nature and constructs an artificial environment that can purify sewage efficiently under certain conditions. In addition, there is aquaponics system, which can not only remove nutrients such as ammonia nitrogen from water, but also produce high-quality vegetables and fish products.

2. Resource recovery and reuse: the sludge generated in the sewage treatment process is converted into valuable resources. For example, using pyrolysis gasification technology to treat excess sludge can not only reduce its volume and weight, but also generate combustible gas for energy use; Or extract heavy metal ions from wastewater for industrial raw materials or other purposes.

3. Intelligent monitoring and management system: With the help of Internet of Things technology and big data analysis, the water quality changes can be monitored in real time, and the treatment process parameters can be automatically adjusted, so as to improve the operation efficiency and reduce the operation cost. At the same time, through the establishment of a sound early warning mechanism, potential risk points can be found and solved in time to ensure that emission standards are always up to standard.

4. Public participation and social responsibility: encourage all sectors of society to actively participate in sewage treatment, such as carrying out environmental education activities to enhance civic awareness and promote the formation of green consumption concepts; Enterprises need to assume social responsibility and invest in research and development of more advanced and efficient sewage treatment equipment and technology.

In a word, the future sewage treatment will pay more attention to the maximization of comprehensive benefits, that is, on the premise of ensuring human health and safety, we will save resource consumption and reduce the impact of environmental pollution as much as possible, leaving a clean and beautiful earth home for future generations.