Almost every modern industry is associated with filtration to varying degrees
Filtering is a common technique in industry. It is used to separate materials of different particle sizes or to remove certain impurities or pollutants. For example, in the oil industry, filters are used to remove impurities to improve the quality of oil products; in food processing, filters are used to separate particles of different sizes, such as sugar or salt; in the chemical industry, filters are used to remove impurities from water to produce ultra-pure water, etc. Filtering technology is also widely used in water treatment, air purification, pollution control, and other fields.