The application of filter in the paint industry is very wide and it is considered as necessary and necessary for the production of quality paint. In general, filters are responsible for separating pollutants or impurities from the desired fluid or composition. In this way, most of the filters are designed and made according to the type of fluid and the impurities in the desired fluid.
Filter Application in the Color Industry and its History
The use of filters in the paint industry dates back to the late 1970s in Florida. In general, the filters used in the paint industry require less pressure to purify the paint. This group of industrial filters use membrane to private in order to achieve the desired color to a high quality. This membrane is designed to allow the salt ions in the colors to pass through. In this way, the desired color is free of any salt and is so-called desalination. In general, in order to properly refine the produced colors, the desired color must be synthesized through chemical processes.
How is the use of the filter in the color industry and how it works?
As mentioned, manufactured colors are synthesized through chemical action. During these processes, compounds such as salt are generally formed as impurities in the paint and cause a decrease in the quality of the produced paint. For this reason, before the produced paint dries, these compounds must be separated from the produced paint by filtration.
In fact, it can be said that the use of filters is limited to the separation of impurities.
In general, salt contained in the colors causes the produced color to settle. This composition, which mainly forms a slurry composition, passes through the filter. The private membrane used in the filters prevents the passage of pigments and allows only the salt present in the colors to pass through. Then the remaining paint is collected in private containers and dried. The dried paint is powdered during special processes and ready for sale.
Nano -filter membrane application in paint industry
In general, the color that is produced according to the mentioned method always contains 30% of salt, and this process makes the color produced still not of high quality. For this reason, nanofiltration membrane is used to produce quality paint. In this process, most of the salts in the color solution are separated, thus increasing the purity of the produced color. In fact, in the process of nanofiltration, in addition to separating the salt in the color, the blue colored solution also reaches a suitable concentration.