3507127

Information

• Patent Grant
• 3507127

• References
• Source

• Patent Number

  3,507,127

• Date Filed

  Not available

• Date Issued

  Tuesday, April 21, 1970
  55 years ago

• CPC

  • F25J3/08 - Separating gaseous impurities from gases or gaseous mixtures or from liquefied gases or liquefied gaseous mixtures
  • F25J3/0233 - separation of CnHm with 1 carbon atom or more
  • F25J3/0257 - separation of nitrogen
  • F25J3/029 - of helium
  • F25J2200/02 - in a single pressure main column system
  • F25J2200/74 - Refluxing the column with at least a part of the partially condensed overhead gas
  • F25J2210/42 - Nitrogen
  • F25J2215/04 - Recovery of liquid products
  • F25J2215/42 - Nitrogen or special cases
  • F25J2215/60 - Methane
  • F25J2220/44 - Separating high boiling, i.e. less volatile components from nitrogen
  • F25J2260/44 - using nitrogen for cooling purposes
  • F25J2270/02 - Internal refrigeration with liquid vaporising loop
  • F25J2270/04 - Internal refrigeration with work-producing gas expansion loop
  • F25J2270/08 - Internal refrigeration by flash gas recovery loop
  • Y10S62/927 - Natural gas from nitrogen
  • Y10S203/19 - Sidestream

• US Classifications

  • 062 - Refrigeration
  • 203 - Distillation: processes, separatory