1. Ideal sewage treatment system

The ideal sewage treatment is not only to remove harmful substances in sewage, but also to reach the discharge standard. It should also be a closed-loop circulation system, which can recycle water resources and other valuable resources (such as organic matter) to the greatest extent, while reducing energy consumption and greenhouse gas emissions. Such a system needs to comprehensively use physical, chemical and biological treatment technologies, combined with intelligent control technology, to ensure that the whole process is efficient and economical.

2. Key technologies and innovations

Advanced oxidation technology: It is especially important for the treatment of industrial wastewater and other complex pollutants by generating strong oxidant to decompose refractory organic matter.

Membrane separation technology: Using the selective permeability of semi-permeable membrane, tiny particles and dissolved solids in water can be effectively filtered out, which is one of the key means to realize water resources reuse.

Microbial fuel cell: this is a new technology, which can purify water quality and generate electricity at the same time, with dual benefits of energy saving and emission reduction.

Artificial intelligence and big data analysis: By learning and analyzing a large amount of data, optimize the processing flow, improve efficiency and reduce operating costs.

3. Social participation and policy support

In addition to technological innovation, the establishment of an ideal sewage treatment system also requires extensive social participation and effective supervision and support from the government. The public should enhance their awareness of environmental protection and actively participate in water saving and emission reduction activities; Enterprises need to assume social responsibility and adopt cleaner production methods; Government departments should formulate reasonable laws and regulations, encourage the research and application of green technologies and products, and provide a good external environment for environmental protection.

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Pursuing the ideal sewage treatment under the dream of environmental protection is not only the performance of being responsible for the natural environment, but also an important way to promote the comprehensive, coordinated and sustainable development of the economy and society. In the future, we expect more scientific and technological innovations to be applied to practice and jointly protect every precious water source on this blue planet.