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Rectification process using cool shot in addition to reflux

  • US 2,953,524 A
  • Filed: 04/25/1956
  • Issued: 09/20/1960
  • Est. Priority Date: 04/25/1956
  • Status: Expired due to Term
First Claim
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1. IN A RECTIFICATION PROCESS CARRIED OUT IN A MULTIPLE PLATE COLUMN, THE IMPROVEMENT, WHEREBY VAPOR LOADING THROUGHOUT THE COLUMN IS SUBSTANTIALLY EQUALIZED, WHICH COMPRISES INTRODUCING NEAR THE TOP OF SAID COLUMN A COOL STREAM OF FINELY DIVIDED SOLID SHOT WHICH IS SUBSTANTIALLY COMPLETELY INERT WITH RESPECT TO THE COMPONENTS OF THE MIXTURE UNDERGOING RECTIFICATION AND WHICH IS ADATPED TO FLOW DOWNWARDLY ALONG WITH THE LIQUID IN SAID COLUMN, ALLOWING SAID SHOT TO FLOW DOWNWARDLY,

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