Reach the next level creating
membranes with higher
performance for filtration with
nanofibers & nanoparticles

More information

Filtration

Electrospinning technology has revolutionized the field of filtration, offering innovative solutions for creating high-performance membranes. This advanced technique is pivotal in producing electrospun fibers, which are integral to enhancing filtration efficiency across various applications. The process of electrospinning enables the formation of ultrafine nanofibers, which can be meticulously engineered to develop membranes with superior performance for filtration, incorporating nanofibers as well as nanoparticles if needed in some specific filtration applications.

Filtration systems have greatly benefited from the application of electrospun fibers, particularly in the development of filters and filter media designed for the selective separation of substances. The versatility of electrospinning allows for the processing of a multitude of polymers such as polyamides, PAN, PA6, PET, PU, PVDF, PES and PLA, amongst other materials. These materials range from reusable to biodegradable options, making electrospinning an environmentally conscious choice for filtration applications. The ability to precisely control fiber size, porosity, and pore dimensions within the fibrous mesh underscores the technology’s suitability for crafting advanced filtration solutions.

Smaller fibres (e.g. around 100nm or even less in some cases) can be obtained using electrospinning rather than meltblown. This is critical in certain filtration applications.

With electrospinning in a single step, additives can be added to the nonwoven in order to functionalise it: for example, with antifungal, antibacterial and other agents.

The electrospinning technique can even be used to process ceramic or metal materials using also a sacrificial polymer that is correctly processed by electrospinning and that, in a post-process, can be eliminated so that only a nonwoven of ceramic fibers or metal substances remains, thus generating a filter with special properties and characteristics for certain filtration applications.

Electrospinning stands out for its ability to produce significantly smaller fibers compared to traditional methods like meltblown technology. Fibers with diameters around 100nm or even smaller are attainable, which is crucial for certain filtration tasks where higher efficiency and finer separation capabilities are required. The incorporation of additives directly into the nonwoven material during electrospinning enables the functionalization of membranes with properties such as antifungal and antibacterial, enhancing the overall effectiveness of the filtration system and make it more versatile.

Moreover, electrospinning extends its utility beyond polymer-based materials to include ceramics and metals. Through the use of a sacrificial polymer that is subsequently removed, electrospinning can create nonwoven meshes composed of ceramic or metal fibers, as well as other inorganic materials, as long as we are able to start to process a suitable precursor which can be solved in a solution. This versatility leads to filters with unique properties tailored for specific filtration needs, including those requiring special characteristics.

The application of electrospinning nanofibers in water treating applications exemplifies the technology’s capability to address critical environmental challenges. These nanofiber filters excel in water purification processes, effectively removing contaminants and ensuring the provision of clean water. The high surface area and porosity of electrospun nanofiber filters, coupled with the ability to customize fiber properties, result in systems that adeptly capture fine particles and pollutants, making electrospun fibers in filtration applications indispensable.

The use of electrospun fibers in filtration, especially through the creation of electrospinning nanofibers in water treating applications, represents a significant advancement in membrane technology. By harnessing the potential of this technology, electrospinning offers a path to reach the next level in developing membranes with unparalleled performance for filtration, thereby contributing to more efficient and effective filtration systems in various domains, including air purification, protective clothing, and the purification of biological systems.