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    STUDIA CHEMIA - Issue no. 1 / 2009  
         
  Article:   MAGNETIC FLUIDS – MATERIALS WITH REMARKABLE APPLICATIONS.

Authors:  ANDRA TĂMĂȘ, ZENO GROPŞIAN, ROMULUS MINEA. 		 
       
         
  Abstract:   The paper presents contributions to MF preparation through magnetite chemical co-precipitation followed by stabilization with oleic acid and dispersion into a carrier liquid, or through carrier liquid exchange technique (mineral or paraffin oil). Based on the estimation and correlation of fluid specific properties (concentration, density, dynamic viscosity, the saturation magnetization) has been presented the posibility to intensify the separation of aqueous two-phase systems with oily compounds content under magnetic filed action. The device contains a separator with immersed permanent magnets for oily phase separation from waste waters. It was established the separation efficiency as a function of separator feeding specific flow.

Keywords: extraction, magnetic fluids, magnetic separator, oily phase 		 
         
     
         
         
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