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Water pollution is an environmental problem all over the world, whether it is in developing or developed countries, this problem has attracted more and more attention. Now, countries, especially developed countries, spend huge manpower and financial resources on the treatment of industrial wastewater every year. Since the 1960s, various countries have researched and developed various new technologies and methods for controlling water pollution, and pollution control has also entered a higher stage, that is, a new stage of comprehensive prevention and control of environmental pollution.
Due to the diversity of industrial wastewater components, a treatment system composed of several methods is often required to achieve the required discharge standards. Sewage treatment is classified according to the methods used, and can be divided into four types: physical method, chemical method, physical chemical method and biological method. Biological method is a method of using the metabolism of microorganisms in wastewater to decompose degradable organic matter in water. Because of its large processing capacity, low investment, and economical reliability, it is a common water treatment method in the world today.
Tubular aerators are mainly used for oxygenation of urban sewage and organic industrial wastewater treatment systems. Tubular aerators have simple structure, high oxygen utilization, reliable performance, stomata are not easy to be blocked, sewage does not backflow, and are subjected to circumferential forces. The characteristics of uniformity, long life, convenient installation and maintenance, and low system price. It has good chemical stability, does not contain plasticizers, can maintain elasticity for a long time, is acid and alkali resistant, does not harden, does not embrittle, and does not age. The bubble diameter of the product is small, which can not only maintain a high oxygen conversion rate, but also achieve the effect of mixing and stirring. With self-closing pore structure, the micropores are not blocked. Easy to install and disassemble. Reduce energy consumption.