What are the main technologies and applications in the field of domestic water purification and wastewater treatment?

At present, various technical methods such as physical, chemical, and biological methods are mainly used in the field of water purification and wastewater treatment in China, including activated sludge process, A/O process, MBR membrane bioreactor, advanced oxidation technology, etc. These technologies can effectively remove suspended solids, organic matter, heavy metals and other pollutants from wastewater, improve water quality standards, and meet environmental protection requirements.

In the field of high concentration material filtration and separation, commonly used technologies include centrifugal separation, pressure filtration, vacuum filtration, membrane separation, etc. These technologies target different material characteristics and can achieve efficient and precise solid-liquid separation, particle classification, and purification goals. They are widely used in industries such as chemical, pharmaceutical, food, and environmental protection.

With the strengthening of environmental awareness and continuous technological innovation, these fields will continue to develop towards high efficiency, energy conservation, and environmental protection, contributing to the sustainable development of society. At the same time, it is also necessary to pay attention to the possible problems and challenges in the application of technology, actively explore solutions, and improve the reliability and stability of technology applications.