Salt Composition to be Used With Molten Magnesium

Abstract

Salt composition for protecting, refining and/or recycling molten magnesium or magnesium alloys, where in that the salt composition consists of halogen ides of strontium, potassium, cesium or mixtures thereof.

1 . Salt composition for protecting, refining and/or recycling molten magnesium or magnesium alloys, characterised in that the salt composition consists of halogen ides of strontium, potassium, cesium or mixtures thereof.  
     
     
         2 . Salt composition according to  claim 1 , characterised in that the salt composition is a chloride and/or fluoride.  
     
     
         3 . Salt composition according to  claim 2 , characterized in that the salt composition consists of:  
       
         
           
                 
                 
                 
               
                     
                     
                 
                     
                     
                 
                     
                    33-47 wt-% 
                   Sr 2 + 
                 
                     
                    14-31 wt-% 
                   K+ 
                 
                     
                    21-39 wt-% 
                   Cl− 
                 
                     
                   0.5-1.3 wt-% 
                   F− 
                 
                     
                     
                 
                     
                     
                 
             
                
                
               
               
                
                
                
                
                
                
               
            
           
         
       
     
     
         4 . Salt composition according to  claim 1 , characterised in that the salt composition consists of:  
       
         
           
                 
                 
                 
               
                     
                     
                 
                     
                     
                 
                     
                   48-75 wt-% 
                   SrCb 
                 
                     
                   20-45 wt-% 
                   KCl 
                 
                     
                    2-6 wt-% 
                   KF, and 
                 
                     
                    0-30 wt-% 
                   CsCl. 
                 
                     
                     
                 
                     
                     
                 
             
                
                
               
               
                
                
                
                
                
                
               
            
           
         
       
     
     
         5 . Salt composition according to  claim 4 , characterised in that the salt composition consists of:  
       
         
           
                 
                 
                 
               
                     
                     
                 
                     
                     
                 
                     
                   55-75 wt-% 
                   SrCl2 
                 
                     
                   25-45 wt-% 
                   KCl, and 
                 
                     
                    2-6 wt-% 
                   KF 
                 
                     
                     
                 
                     
                     
                 
             
                
                
               
               
                
                
                
                
                
               
            
           
         
       
     
     
         6 . Salt composition according to  claim 5 , characterised in that the salt composition consists of:  
       
         
           
                 
                 
                 
               
                     
                     
                 
                     
                     
                 
                     
                   60-70 wt-% 
                   SrCl2 
                 
                     
                   30-40 wt-% 
                   KCl and 
                 
                     
                    2-6 wt-% 
                   KF 
                 
                     
                     
                 
                     
                     
                 
             
                
                
               
               
                
                
                
                
                
               
            
           
         
       
     
     
         7 . Salt composition according to  claim 6 , characterised in that the salt composition consists of:  
       
         
           
                 
                 
                 
               
                     
                     
                 
                     
                     
                 
                     
                   65-67 wt-% 
                   SrGl2, 
                 
                     
                   33-35 wt-% 
                   KGl and 
                 
                     
                    2-6 wt-% 
                   KF 
                 
                     
                     
                 
                     
                     
                 
             
                
                
               
               
                
                
                
                
                
               
            
           
         
       
     
     
         8 . Salt composition according to  claim 2 , characterised in that the salt composition consists of:  
       
         
           
                 
                 
                 
               
                     
                     
                 
                     
                     
                 
                     
                   48-75 wt-% 
                   SrCb 
                 
                     
                   20-45 wt-% 
                   KCl 
                 
                     
                    2-6 wt-% 
                   KF, and 
                 
                     
                    0-30 wt-% 
                   CsCl. 
                 
                     
                     
                 
                     
                     
                 
             
                
                
               
               
                
                
                
                
                
                
               
            
           
         
       
     
     
         9 . Salt composition according to  claim 3 , characterised in that the salt composition consists of:  
       
         
           
                 
                 
                 
               
                     
                     
                 
                     
                     
                 
                     
                   48-75 wt-% 
                   SrCb 
                 
                     
                   20-45 wt-% 
                   KCl 
                 
                     
                    2-6 wt-% 
                   KF, and 
                 
                     
                    0-30 wt-% 
                   CsCl. 
                 
                     
                     
                 
                     
                     
                 
             
                
                
               
               
                
                
                
                
                
                
               
            
           
         
       
     
     
         10 . Salt composition according to  claim 8 , characterised in that the salt composition consists of:  
       
         
           
                 
                 
                 
               
                     
                     
                 
                     
                     
                 
                     
                   55-75 wt-% 
                   SrCl2 
                 
                     
                   25-45 wt-% 
                   KCl, and 
                 
                     
                    2-6 wt-% 
                   KF 
                 
                     
                     
                 
                     
                     
                 
             
                
                
               
               
                
                
                
                
                
               
            
           
         
       
     
     
         11 . Salt composition according to  claim 9 , characterised in that the salt composition consists of:  
       
         
           
                 
                 
               
                     
                 
                     
                 
                   55-75 wt-% 
                   SrCl2 
                 
                   25-45 wt-% 
                   KCl, and 
                 
                    2-6 wt-% 
                   KF 
                 
                     
                 
                     
                 
             
                
                
               
               
                
                
                
                
                
               
            
           
         
       
     
     
         12 . Salt composition according to  claim 10 , characterised in that the salt composition consists of:  
       
         
           
                 
                 
               
                     
                 
                     
                 
                   60-70 wt-% 
                   SrCl2 
                 
                   30-40 wt-% 
                   KCl and 
                 
                    2-6 wt-% 
                   KF 
                 
                     
                 
                     
                 
             
                
                
               
               
                
                
                
                
                
               
            
           
         
       
     
     
         13 . Salt composition according to  claim 11 , characterised in that the salt composition consists of:  
       
         
           
                 
                 
               
                     
                 
                     
                 
                   60-70 wt-% 
                   SrCl2 
                 
                   30-40 wt-% 
                   KCl and 
                 
                    2-6 wt-% 
                   KF 
                 
                     
                 
                     
                 
             
                
                
               
               
                
                
                
                
                
               
            
           
         
       
     
     
         14 . Salt composition according to  claim 12 , characterised in that the salt composition consists of:  
       
         
           
                 
                 
               
                     
                 
                     
                 
                   65-67 wt-% 
                   SrGl2, 
                 
                   33-35 wt-% 
                   KGl and 
                 
                    2-6 wt-% 
                   KF 
                 
                     
                 
                     
                 
             
                
                
               
               
                
                
                
                
                
               
            
           
         
       
     
     
         15 . Salt composition according to  claim 13 , characterised in that the salt composition consists of:  
       
         
           
                 
                 
               
                     
                 
                     
                 
                   65-67 wt-% 
                   SrGl2, 
                 
                   33-35 wt-% 
                   KGl and 
                 
                    2-6 wt-% 
                   KF