The sewage discharged from thermal power plants contains a large number of high-concentration pollutants, which is difficult to treat. The advanced reclaimed water treatment process is an advanced technology that treats wastewater to a high level, which can achieve better cleaning and reuse of wastewater. Membrane bioreactor (MBR) is becoming increasingly popular in this process, as it can efficiently remove contaminants from wastewater and achieve national standards for permeate quality. In this article, we will introduce the application of MBR in the advanced treatment process of reclaimed water in thermal power plants.
First, the wastewater from the thermal power plant is pre-treated and then enters the MBR reactor. Membrane filtration technology consists of submicron membranes, which are able to trap contaminants and microorganisms inside the reactor for efficient solid-liquid separation. The application of MBR membrane further guarantees the high quality of effluent quality and improves the stability and safety of wastewater treatment. Filtration with MBR can effectively reduce contaminants such as COD, BOD, phosphorus and nitrogen in wastewater, resulting in less turbidity and purer effluent.
Secondly, the MBR process also helps to reduce the technical difficulty of the subsequent treatment process. The MBR process can filter and separate the pollutants in the sewage, and the purified water contains fewer pollutants, which is closer to the state of clean water. Therefore, it is easier to achieve and less economical cost than other processes in terms of retention, reconversion, and improvement of stoichiometric balance in produced water.
Finally, the amount of wastewater treated with MBR can be significantly reduced. In the MBR process, the pore diameter of the membrane can be adjusted as needed, which can efficiently remove pollutants such as microorganisms and suspended solids from the wastewater, and at the same time make the water in the wastewater sufficient. In addition, the MBR process can reduce the size of the treatment facility and reduce the amount of wastewater produced while reducing treatment costs.
In short, the application of MBR in the advanced treatment process of reclaimed water in thermal power plants can efficiently remove pollutants in sewage and meet the water quality standards. Its advantages lie in high precision, convenient operation, stable effluent quality, low cost and so on. The application of this technology can effectively improve the efficiency of water resource utilization, and plays an important role in protecting the environment and promoting sustainable development.
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