3401531

Information

• Patent Grant
• 3401531

• References
• Source

• Patent Number

  3,401,531

• Date Filed

  Not available

• Date Issued

  Tuesday, September 17, 1968
  56 years ago

• CPC

  • F25J3/04612 - Heat exchange integration with process streams
  • F25J3/0219 - Refinery gas, cracking gas, coke oven gas, gaseous mixtures containing aliphatic unsaturated CnHm or gaseous mixtures of undefined nature
  • F25J3/0276 - separation of H2/N2 mixtures
  • F25J3/0409 - of oxygen
  • F25J3/04351 - of nitrogen
  • F25J3/04412 - in a classical double column flowsheet
  • F25J3/04587 - for the NH3 synthesis
  • F25J2200/80 - using integrated mass and heat exchange
  • F25J2205/30 - using a washing
  • F25J2210/12 - Refinery or petrochemical off-gas
  • F25J2210/42 - Nitrogen
  • F25J2270/42 - Quasi-closed internal or closed external nitrogen refrigeration cycle
  • Y10S62/934 - From nitrogen

• US Classifications

  • 062 - Refrigeration
  • 252 - Compositions