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One Minute Filtration Articles

Can Protective Garments be Wearable Filters?

Protective garments for medical, civilian safety and military applications range from disposable lightweight fabrics to multilayered fabrics and laminated barrier materials, depending […]

Stefan BradhamJune 1, 20172 min read
One Minute Filtration Articles

Wettability and Contact Angle Measurement of Filter Medium Using Modified Washburn’s Equation

Coalescence filtration using fibrous filters is a well-known approach for the separation of water-in-oil emulsions. Many factors have an effect on the […]

Stefan BradhamMay 1, 20172 min read
One Minute Filtration Articles

Synthesis of Ceramic Nanofibers

Ceramic nanofibers have many potential applications, such as hot gas filtration, gas adsorption, and electricity generation from engine exhaust gas. The high […]

Stefan BradhamMay 1, 20172 min read
One Minute Filtration Articles

Calculating Pressure Drop of Nanofiber Air Filter Media

Nanofibers are becoming an integral part of many advanced air filtration media thanks to their enormous specific surface area. The large surface […]

Stefan BradhamMay 1, 20172 min read
One Minute Filtration Articles

What is Zeta Potential?

Zeta potential is a measure of charges carried by particles suspended in a liquid (mostly water). Most particles suspended in water and […]

Stefan BradhamApril 1, 20172 min read
One Minute Filtration Articles

How Well Does My Filter Work?

Contamination control is the key to a cost-effective maintenance operation for hydraulic or engine systems.  You depend on your filters, whether hydraulic, […]

Stefan BradhamApril 1, 20173 min read
One Minute Filtration Articles

Sintered Metal Powder Media

Sintered porous metal media, fabricated from a wide variety of metal powders, are widely used for industrial gas and liquid filtration in […]

Stefan BradhamMarch 1, 20172 min read
One Minute Filtration Articles

Tubular Membrane Filter™ Modules for Metal Contaminated Wastewater Treatment & Reclamation

Background Industrial processes can often result in waste water contaminated with heavy metals (Hg, Pb, Zn, Ni, Cr, Cu, and Cd) that […]

Stefan BradhamMarch 1, 20174 min read
One Minute Filtration Articles

Air Filtration Applications for Membranes

Given their unique performance attributes membranes are finding use in a growing number of high efficiency air filtration applications. One example is […]

Stefan BradhamMarch 1, 20173 min read
One Minute Filtration Articles

Length Weight Fiber Distribution

One of many ways to characterize fiber mats is by the average fiber diameter distribution. There are many ways to define the […]

Stefan BradhamMarch 1, 20172 min read
One Minute Filtration Articles

Residual Life Indicator: Chemical Vapor Pulse Method

Filter performance failure can result from (1) loss of physical capacity, (2) loss of impregnant reactivity, and (3) loss of mechanical integrity […]

Stefan BradhamFebruary 1, 20171 min read
One Minute Filtration Articles

Aerosol Filtration in Nanofiber Filter Media

Nanofiber filter media are used in air filter applications where a compact filtration system with very high overall and fractional efficiency and […]

Stefan BradhamFebruary 1, 20172 min read
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AFS Society
  • Membership
    • Why Join
    • Corporate
    • Individuals, Student, Retiree
  • Courses & Events
    • Virtual Courses
    • On-Demand Courses
    • In-House Courses
    • In-Person Short Courses at FILTCON26
    • Certifications
    • FILTCON26
    • FiltXPO 2026
    • Calendar of Events
  • Publications & Resources
    • AFS One Minute Filtration Articles
    • Separation and Purification Technology Journal
    • Filtration + Separation Magazine
    • International Filtration News
    • Market Landscape Reports
    • Filtration and Separations Job Board
    • Corporate Member Directory
  • Get Involved
  • About Us
    • Latest AFS News
    • Awards & Recognition
    • AFS Integrity Policy
    • AFS Anti-Trust Policy
    • AFS Leadership
      • Board of Directors
      • Committee Chairs
      • Chapter Officers
    • Contact Us
Membership Login