Patent ID: 11952339
Assignee: SK INNOVATION CO., LTD.
Field: Chemical engineering (Chemistry)
Classification: CPC C  B | IPC B  C

Claim 6:
7. The method of recovering unreacted ethylene of claim 1, wherein operation conditions of the first separation device are performed under conditions satisfying the following Relations 2 and 3:, 0.0005
        ≤
        
          
            
              RS
              1
            
            /
            
              (
              
                
                  RS
                  1
                
                +
                
                  W
                  S
                
              
              )
            
          
          ×
          100
        
        ≤
        5
      
    
    
      
        [
        
          Relation
          ⁢
          
            
          
          ⁢
          2
        
        ]
      
    
  
  
    
      
        2
        ≤
        
          
            
              RS
              e
            
            /
            
              (
              
                
                  RS
                  e
                
                +
                
                  W
                  S
                
              
              )
            
          
          ×
          100
        
        ≤
        60
      
    
    
      
        [
        
          Relation
          ⁢
          
            
          
          ⁢
          3
        
        ]
      
    
  

wherein RS1 is a content of the low boiling point reaction product dissolved in the solvent in the first separation device, Rse is a content of the unreacted ethylene dissolved in the solvent in the first separation device, and Ws is a content of the solvent introduced to the reaction raw material.