American Filtration & Separations Society

AFS is the premier organization in North America dedicated to R&D, problem solutions and technology transfer in filtration and separation for the benefit of industrial processes, individual health and a clean environment.

The AFS conferences and events bring together the industry leaders, presenting the greatest opportunity to meet and hear the newest information in filtration and separation technology.

Over the past two years over 300 organizations have sent representatives to AFS events. These companies understand the value of employees with knowledge of the latest information in filtration and separation technology.

2009 Fall Conference
Emission Solutions in Transportation
Ann Arbor, MI
Oct. 5-8

This conference is designed specifically for both the engineer and mangers that have a vested interest in current and new technologies and future needs in emission solutions. The program is created to cover most every aspect of the industry an engineer will encounter and need to know.

Conference Information

2009 Annual Conference
Bloomington, MN
May 4-7, 2009

Wang Yan-xi, organizer of the China delegation, displays a US flag that was presented to him by Wu Chen of the AFS. The flag had flown over the U.S. capital and was a gift from U.S. representative Ron Paul. Twenty Chinese businessmen traveled from Shanghai to attend the AFS conference.

Read about the AFS 22nd Annual Conference.

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 wastewater, e.g. clays, silica, hydrated metal oxides, paper fibers, biological cells, etc., possess negative surface charges in the neutral pH range as shown in Fig. 1 (a simplified view of a particle in a suspension).

Read the complete article on What is Zeta Potential

More One-Minute Filtration Articles

To receive a One-Minute Filtration Article each month, join the AFS mailing list and receive the monthly newsletter.

Join the AFS mailing list and receive the monthly newsletter.

Enter Email