Filtration

Structural, Thermal and Filtration Properties of Charged Nonwoven Materials

• Structure and thermal properties of nonwovens from electrically charged homo and hetero-polymers were characterized
• Charge distribution was investigated over long periods of time; results will be reported

Use of Feather Fiber in Air Filters

• Feather byproducts blended with polyester to produce nonwoven filter media
• Resulting media evaluated for use as air filters

Nonwovens for Filtration-Standards

• Comparison of aerosol separators according to various standards and objectives

(click title for Abstract)

Modeling of unsaturated flow in anisotropic non-woven materials

• Different phenomena associated with modeling capillary flow discussed
• Practical examples and validations of its potential for testing product performance shared

Computer Models of Nonwoven Geometry and Filtration Simulation

• 3D models of filter media were created to simulate fluid flow and particle deposition
• Media characteristics are computed resulting in the creation of ideal filter material for a specific application

Permeability of Highly Dense Nonwoven Fabrics

• Computer models of dense nonwoven fabrics can be used to calculate permeability
• Simulations of different fabrics were compared with experimental data and available theoretical models