3688513

Information

• Patent Grant
• 3688513

• References
• Source

• Patent Number

  3,688,513

• Date Filed

  Not available

• Date Issued

  Tuesday, September 5, 1972
  53 years ago

• CPC

  • F25J3/04454 - a main column system not otherwise provided
  • F25J3/04212 - and simultaneously condensing vapor from a column serving as reflux within the or another column
  • F25J3/04303 - Lachmann expansion
  • F25J2200/34 - using a side column fed by a stream from the low pressure column
  • F25J2200/50 - using multiple (re-)boiler-condensers at different heights of the column
  • F25J2200/54 - in the low pressure column of a double pressure main column system
  • F25J2200/90 - Details relating to column internals
  • F25J2215/56 - Ultra high purity oxygen
  • F25J2220/50 - Separating low boiling, i.e. more volatile components from oxygen
  • F25J2235/42 - the fluid being nitrogen
  • F25J2245/42 - the recycled stream being nitrogen
  • F25J2245/58 - the recycled stream being argon or crude argon
  • F25J2250/20 - Boiler-condenser with multiple exchanger cores in parallel or with multiple re-boiling or condensing streams
  • Y10S62/924 - Argon

• US Classifications

  • 062 - Refrigeration