Method of separating ammonia from carbon dioxide

• US 3,107,149 A
• Filed: 05/12/1961
• Issued: 10/15/1963
• Est. Priority Date: 05/12/1961
• Status: Expired due to Term

• Current Assignee: Lawrence W. Nisbet Jr, Theodore O. Wentworth
• Original Assignee: Lawrence W. Nisbet Jr, Theodore O. Wentworth
• Inventors: Wentworth, Theodore O., Nisbet, Lawrence W. Jr.
• Application Number:
  US04/109,719
• Time in Patent Office: 886 Days
• US Class Current: 564/67
• CPC Class Codes: C01B 32/50 Carbon dioxide
• CPC Class Codes: C01C 1/12 Separation of ammonia from gases and vapours as part of the ammonia synthesis process C01C1/04
• CPC Class Codes: C07C 273/04 from carbon dioxide and ammonia

Claims

1. A METHOD FOR THE SEPARATION OF GASEOUS AMMONIA AT A PRESSURE OF ABOUT 70 P.S.I.A. TO ABOUT 280 P.S.I.A. AT WHICH PRESSURE AMMONIA IS CONDENSABLE WITH COOLING WATER, FROM A GASEOUS MIXTURE OF AMMONIAND CARBON