What is the reason for the problem in the use of the filter element of the small and medium-sized ultrapure water machine in the laboratory?
What is the reason for the problem in the use of the filter element of the small and medium-sized ultrapure water machine in the laboratory? Author of the article: the vast majority of my country's urban water supply there is the problem of aging, relatively more stringent industry demands for laboratory water quality, water supply industry in order to ensure lab safety, health, small and medium sized laboratory ultra-pure water process design should be reasonable , In line with GMP certification requirements. The filter element of the small and medium-sized ultrapure water machine in the laboratory can be said to be the core of the stable water production of the entire system. Once the performance of the filter element decreases, it must be replaced in time to ensure the high-standard water production state of the small and medium-sized ultrapure water machine in the laboratory. Many users don’t know how to judge the state of the filter element, so what state of the filter element of the small and medium-sized ultrapure water machine in the specific laboratory can’t be used? Precision filter element: the new filter element is white, if it takes a long time, the surface will be siltated , Appears brown, which means that the filter element cannot be used. The life of the precision filter element is generally from March to June. If the raw water contains more sediment, its life will be shorter, and if there are less particles such as sediment, the life will be longer. Activated carbon filter element: Activated carbon filter element removes peculiar smell and organic matter in the water mainly through adsorption. There is residual chlorine in the tap water, which has a great oxidizing effect on the reverse osmosis membrane, so it must be removed by activated carbon. The activated carbon filter element has no intuitive changes on the surface. According to experience, it generally reaches saturation adsorption in about a year and needs to be replaced. Reverse osmosis membrane: The reverse osmosis membrane is a very important part of the ultrapure water machine. Its pore size is very small. Therefore, bacteria and other microscopic substances are often deposited on the surface during use. The life of the reverse osmosis membrane is 2-3 years. Mainly determined by water consumption, so be sure to choose the matching specifications when choosing. Regular and standardized maintenance and cleaning can ensure the long-term stable operation of the small and medium-sized ultrapure water machines in the laboratory. If the maintenance is not proper, it is easy to damage the system and affect the service life of the system. Therefore, the above content must be paid attention to.
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