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Technical Resources
These are some interesting websites with technical information, educational sites, tutorials, etc.

Basics of Filtration
 
The Filtration & Separation Glossary of Terminology by the AMERICAN FILTRATION SOCIETY is a comprehensive document with 20 pages of filtration terms in PDF format.

The - CAMFIL FARR - Basics of Air Filter Technology discusses the principles of filtration, filter testing, indoor air quality (IAQ), ASHRAE, ISO, and EN industry standards, life cycle cost, and more.

PALL CORPORATION's Principles of Filtration are more oriented on liquid and membrane filter applications. Some topics are - Depth vs. Membrane Filtration - Chemical Compatibility - Hydrophilic vs. Hydrophobic - Ratings - Binding - Extractables - Thermal Stability.

These Basics of Filtration by GOPANI take a closer look to filter system design, flow rate and pressure drop, viscosity, parallel and serial filtration, gasket, housing and filter material limitations. The basic physical effects are covered, too.

More Principles of Air Filtration in this colorful brochure by MUELLER ENVIRONMENTAL DESIGNS, INC.: dust concentration in air, inertial and electrostatic separation, coalescer, filtration, and a filter system selection guide.

History of Filtration
 
Technology
 
EDANA, the International Association Serving the Nonwovens and Related Industries, gives a basic overview on Making Nonwovens - drylaid - wetlaid - spunlaid - bonding technologies.

Liquid Applications
 
The Pure Water Handbook by GE OSMONICS is a great source of information around water treament and purification. 151 pages thick - if you print this text book. What's in it? Water contamination, identification of impurities, turbidity, total solids, conductivity, microbiological contamination, TOC, hardness, salts, organics. Water purification, chemical treatment, activated carbon, pre-coat, cartridge and membrane filtration, ion exchange, electrodialysis, reverse osmosis, ultra, micro, crossflow filtration. Examples for water purification systems for pharmaceuticals, water for injection (WFI), boiler feed, steam generators, electronics, bottled drinking water... Plus standards and much more...

Another highly recommended GE OSMONICS publication is Jorgen Wagner's MEMBRANE FILTRATION HANDBOOK - Practical Tips and Hints. 129 pages about the four membrane processes micro, ultra, nano filtration, Reverse Rsmosis, membrane materials, chemical resistance, elements types, spiral wound, tubular, plate-and-frame, system components, pumps, valves. Applications, pretreatment, and practical advice for operating membrane systems. And more...

The making and function of spiral wound Reverse Osmosis membrane systems is very well illustrated in this RO Animation by HYDRANAUTICS.

Air and Gas Applications
 

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