Innovation and application of fiber technology in the field of air filtration

Date：2025/09/03 09:48:36 Publisher：

Today we will further share the application of fiber materials, especially cellulose fibers, in air filters. These filters are not only essential in aviation but also play a key role in the automotive industry, where they are responsible for removing airborne pollutants, protecting passenger health, and improving engine efficiency.

Today we will further share the application of fiber materials, especially cellulose fibers, in air filters. These filters are not only essential in aviation but also play a key role in the automotive industry, where they are responsible for removing airborne pollutants, protecting passenger health, and improving engine efficiency.

 

The selection and application of fiber materials directly impact the filter's performance and environmental impact, and here is a detailed analysis of how these materials strike a balance between environmental friendliness and durability in air filtration technology.

 

Cellulose fibers: ideal for air filters

 

Cellulose fibers are ideal materials for making air filters due to their excellent processability, desirable chemical and mechanical properties, and low cost.

 

 

These fibers can be selected from a variety of materials, including cellulose, thermoplastics, and fiberglass, which together form the basis of fuel filters, cabin air filters, engine oil filters, and engine air filter paper in cars and aircraft.

 

Bio-based cellulose: an environmentally friendly solution for air filtration

 

 

As a bio-based material, cellulose fibers are derived from the natural polymer cellulose, which is the structural component of plant cell walls.

The bio-based nature of this material means that if the production process is done properly, they may have a smaller environmental impact than petrochemical-based products such as polyethylene terephthalate (PET) and polypropylene (PP). Additionally, cellulose fibers are biodegradable and can be broken down into water and carbon dioxide by microorganisms over a certain period of time, which is particularly important for reducing the environmental footprint of air filters.

 

Recycled cellulose filter paper: a new choice for air filtration

 

 

Recycled cellulose filter paper is slightly lower than new paper in terms of breaking resistance, stiffness, and tensile index, but they are still suitable for some less demanding applications. In air filters, this material reduces the need for new resources while lowering waste generation.

 

Although not yet widely commercialized, the potential of recycled cellulose filter paper in the field of air filtration cannot be overlooked.

 

Application of cellulose fiber in air filters

 

▲ Donaldson's Ultra-Web® technology is made using an electrospinning process that produces very fine, continuous, elastic fibers with a diameter of 0.2-0.3 microns, forming a permanent fine fiber network with very fine inter-fiber spaces that trap dust on the surface of the medium.

 

 

Despite their bio-based and biodegradable benefits, cellulose fibers often need to be combined with other materials such as chemical fibers and glass fibers to improve durability and reliability in harsh environments. This is especially important for air filters, as they need to maintain performance in a wide range of temperature and humidity conditions.

 

After understanding the multifaceted applications and future development of cellulose fiber in air filtration technology, our company will continue to deepen air purification technology and continuously explore and develop more efficient and environmentally friendly air filtration solutions.

 

We are committed to applying the latest fiber technology to the innovation of air filters to meet the growing global demand for clean air and contribute to the protection of our environment. As technology continues to advance, we look forward to bringing more breakthroughs in the field of air purification in the future.