COPPER FLOTATION
 
EFD has a number of applications in copper sulfide roughing and is the leading supplier of copper cleaning columns with over 170 installations worldwide.  Our commercial columns are up to 6 metres in diameter, and are being used in most of the world’s largest copper concentrators.  Our range of sparging technologies allow us to choose the right sparging technology for your application.  We have also developed the HydroFloat, which is now being evaluated for selectively floating coarse copper sulfides, which is creating a paradigm shift about how much grinding energy is required for base metal concentrators.  Contact one of our sales offices if you would like more information.  Our rotary slurry splitter (RSP) is also used in a number of copper applications such as Vale’s Sossego (pictured below) to evenly and accurately split slurry feed between a number of parallel columns.
 
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GOLD AND SILVER APPLICATIONS
 
EFD has a number of industry-leading products for processing gold.  This includes the HydroFloat, a state-of-the art flotation unit that uses fluidization to selectively float coarse and high SG gold particles that cannot normally be concentrated using flotation.  We also have a range of air sparging products, including the SlamJet™ and the CavTube™ which greatly improve the kinetics of cyanide leaching by producing fine bubbles with high mass transfer to the leach solution.  Contact one of our sales offices if you would like more information.
 
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PHOSPHATE APPLICATIONS
 
EFD has a number of commercial products that are being used in phosphate wash plants to size and float phosphate ore.  This includes EFD’s patented CrossFlow separator, which uses fluidization to effect size particle size separation, is used in wash plant to effectively size process streams, a key step in virtually all phosphate flow-sheets.  We have supplied more than 50 phosphate columns for igneous and sedimentary ores throughout the world including North America, Brazila and Russia.  EFD’s HydroFloat is also commercially used to float coarse particles, starting with South Fort Meade in 2004.  Contact one of our sales offices if you would like more information.
 
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POTASH APPLICATIONS
 
EFD has a number of commercial products that are being used in potash plants to size and float potash.  This includes EFD’s patented CrossFlow separator, with more than ten commercial installations in potash.  We have supplied more than 60 potash columns throughout the world including North America, Africa and the CIS (Russia).  EFD’s HydroFloat has also been used commercially to float coarse particles in potash since 2002.  Contact one of our sales offices if you would like more information.
 
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BASE METAL APPLICATIONS
 
EFD has sold over 1000 columns worldwide, including many applications for polymetallic ore bodies including complex sulfides and selective flotation applications.  Our products are being used in North America, South America, Australia, Africa, Europe and Asia.  Chances are very high that we have successfully implemented a flotation package for the mineral system you are interested in.  We employ more than 20 mineral processing experts (link to “key personnel”) to be able to solve your technical challenges, either through test-work at our full-service lab in Erie PA or with our trained experts using pilot equipment at your site.  Contact one of our sales offices if you would like more information.
 
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