A variety of separators were identified, and include the following:

Aspirators
http://www.kice.com/multi-aspirators-cover-page.htm

Air Classifiers
http://www.fasc.net/
http://www.sturtevantinc.com
http://www.praterairlocks.com

Gravity Tables
http://www.olivermfgco.com/
http://www.forsbergs.com/
http://www.sssdynamics.com/
http://ocrim.com/

Rotary Screens
http://www.timbertech.com.au

Screening
http://globalgilson.com/
http://www.sssdynamics.com/

Trommel Screens
http://www.diamondz.com/index.asp
http://www.sssdynamics.com/