What is Filter Media?

In today's world, the importance of water quality is becoming more and more prominent. Whether it is water for daily life or water for industrial production, all need to meet certain quality standards to protect human health and the smooth progress of production. The water quality filtration and treatment media, to guard the safety of water quality is one of the key elements, they are like the silent dedication of the guards, in the water treatment process plays an indispensable role.

I. Activated carbon - a capable hand in adsorbing impurities
Activated carbon is one of the most common and widely used media in water filtration. It is made of carbon-containing materials with a highly developed pore structure and a huge specific surface area. These characteristics enable activated carbon to effectively adsorb organic pollutants, odors, residual chlorine, and other harmful substances in water. When water flows through the activated carbon layer, the impurity molecules will be adsorbed within the pores of the activated carbon, thus purifying the water. For example, in the treatment process of waterworks, activated carbon is often used in the depth treatment stage to further remove residual trace organic pollutants in the water and improve the taste and safety of drinking water. In addition, activated carbon cartridge is also one of the core components in home water purifiers, providing us with clean, odorless drinking water.

II. Quartz sand - the cornerstone of durable filtration
Quartz sand is a hard, wear-resistant, and chemically stable mineral. In water filtration treatment, quartz sand filter media is usually filled in the filter, forming a sand filter layer. Its filtration principle is mainly through the physical retention effect, the suspended particles in the water, colloids, and other impurities intercepted on the surface of the sand layer and pore space. Quartz sand filter is widely used in sewage treatment plants, which can effectively remove the larger particles of impurities in sewage and lay the foundation for the subsequent treatment process. Moreover, quartz sand has the advantages of long service life and relatively low cost, which is an economical and practical water filtration medium.
Third, ultrafiltration membrane -- high-tech representative of fine filtration
Ultrafiltration membrane is a very small pore size membrane separation technology media, its pore size range is generally between 0.005 - 0.1 microns. Ultrafiltration membranes can retain bacteria, viruses, colloids, macromolecules, organic matter, and other small particles in water while allowing water molecules and small molecules to pass through. This fine filtration ability makes ultrafiltration membranes shine in the field of drinking water treatment and industrial pure water preparation. For example, some high-end household water purifiers use ultrafiltration membrane technology to provide users with drinking water close to the standard of pure water, to protect the safety and health of household water. In industrial production, ultrafiltration membranes can be used in electronics, pharmaceuticals, and other industries with very high water quality requirements to ensure the purity and quality of water used in the production process.

IV. Zeolite - the miracle mineral of ion exchange
Zeolite is a natural or synthetic mineral with a unique crystal structure. It contains a large number of micropores and cavities and has exchangeable cations. In water quality treatment, zeolite mainly removes ammonia nitrogen, heavy metal ions, and other harmful substances in water through ion exchange. For example, in the field of aquaculture, zeolite can be used to regulate the water quality of aquaculture water, adsorb ammonia and nitrogen in the water, reduce the toxicity of the water, and create a good living environment for aquatic organisms. In addition, zeolite can also be used in the depth treatment process of sewage treatment plants to further remove heavy metal ions in sewage and reduce pollution of the environment.
V. Manganese sand -- the nemesis of iron and manganese ions
Manganese sand is a kind of natural ore containing iron and manganese compounds. It has strong oxidizing and adsorbing ability for iron and manganese ions in water. When the groundwater containing ferromanganese ions passes through the filter layer of manganese sand, the ferromanganese ions will be oxidized by the oxidized film on the surface of manganese sand and adsorbed on the particles of manganese sand, to achieve the purpose of removing ferromanganese. In some areas where the content of iron and manganese in the groundwater is high, a manganese sand filter is a common water quality treatment equipment, which can effectively solve the problems of yellowing and turbidity of water quality caused by iron and manganese exceeding the standard, and provide the residents with clear and odorless water for living.
Water filtration and treatment of a wide variety of media, each medium has its unique properties and scope of application. In the actual water treatment project, often need to be based on the characteristics of water quality, treatment requirements and other factors, the comprehensive selection and use of a variety of filtration media, in order to achieve the best results. With the continuous progress of science and technology, new water quality filtration and treatment media are also emerging, to protect the safety of water quality to provide a more powerful support. We believe that in these silent dedication to the guardianship of the filtration media, we will be able to enjoy a cleaner, safer water resources for human health and development escort.