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Filtration Begins With Three-Part Tutorial



Published November 18, 2009
Related Searches: air filtration cellulose liquid filtration drylaid
As exhibitors set up their booths in the exposition hall, conference-goers learned a thing or three about filtration technology during three informatory tutorials yesterday.

The morning session, “Fundamentals of Air Filtration & Testing,” was led by Bruce McDonald, Bruce McDonald Consulting and R. Vijayakumar, Aerfil, LLC. Aimed at newcomers to the field and those who wished to attend a refresher on basic filtration and filter design, Mr. McDonald discussed filter design and test practices as well as test standards in vogue that ensure filters meet design specifications. Since filter media are the key element in any filter, Mr. McDonald shared an overview of media and their properties as well as common filter construction practices.

Meanwhile, the afternoon session began with “Fundamentals of Liquid Filtration & Testing,” moderated by Gerard Lynch and Christophe Peuchot of IFTS. The session encompassed some of the basic laws and theories associated with filter design. In addition, the presentation covered both the fundamentals of filtration and the principles of filter testing. An overview of the various types of tests that can be done on a filter or filter media were presented. The session also included a review of the difference between filtration for solid removal and solid recovery. Attendees learned more about the abilities of filters, how the testing works and the importance of thorough and independent testing of filters.

The final tutorial was taught by Norman Lifshutz of Hollingsworth & Vose. In “Media & Configuration for Air & Liquid,” Dr. Lifshutz explained the fundamentals of fibrous filtration media, including wetlaid cellulose, wetlaid glass, drylaid (carded), meltblown, electrospun and bonding methods. Aspects of configuration such as element geometry and pleat geometry were also presented.