1. The importance of sewage treatment

First of all, we must realize the importance of sewage treatment to protect the environment and human health. Untreated sewage contains a lot of harmful substances, such as heavy metals and organic pollutants. If these substances are directly discharged into the natural environment, they will not only pollute the water source, but also affect human health through the food chain and even lead to the destruction of the ecosystem. Therefore, efficient sewage treatment is a necessary measure to maintain ecological balance and ensure public health.

2. Technological innovation under the background of environmental protection

In recent years, with the support of national policies, China's sewage treatment industry has made great progress. The application of new technology greatly improves the efficiency of sewage treatment and reduces the treatment cost. For example:

Biological treatment technology: using microorganisms to decompose organic matter in sewage has the advantages of good treatment effect and low operating cost.

Membrane separation technology: It can effectively remove tiny particles and soluble impurities in sewage, and is suitable for high-standard wastewater reuse projects.

Advanced oxidation process: degradation of refractory organic pollutants by generating strong oxidant, especially suitable for industrial wastewater treatment.

Intelligent monitoring system: Real-time monitoring and control of sewage treatment process is realized by combining Internet of Things technology, which improves management efficiency.

3. Strategies to promote sustainable development

In addition to adopting advanced treatment technology, promoting the sustainable development of sewage treatment industry also needs to start from the following aspects:

Strengthen the construction of laws and regulations: formulate and improve relevant laws and standards to ensure the effective operation of sewage treatment facilities.

Encourage circular economy mode: promote the recycling of water resources, such as using the treated reclaimed water in urban greening, industrial cooling and other fields.

Enhance public participation: improve citizens' awareness of environmental protection through education and publicity, and encourage all sectors of society to actively participate in water resources protection actions.

Support scientific research and innovation: increase investment in research and development of sewage treatment technology to provide impetus for the development of the industry.

In short, under the overall trend of environmental protection, the sewage treatment industry is undergoing unprecedented changes. In the future, we have reason to believe that with more high-tech applications and the support of relevant policies, China's sewage treatment capacity will reach a new height and contribute to the construction of a beautiful China.