3929438

Information

• Patent Grant
• 3929438

• References
• Source

• Patent Number

  3,929,438

• Date Filed

  Not available

• Date Issued

  Tuesday, December 30, 1975
  49 years ago

• CPC

  • F25J3/0242 - separation of CnHm with 3 carbon atoms or more
  • C07C7/04 - by distillation
  • F25J1/0022 - Hydrocarbons
  • F25J1/004 - by flash gas recovery
  • F25J1/0045 - by vaporising a liquid return stream
  • F25J1/0055 - originating from an incorporated cascade
  • F25J1/0212 - as a single flow MCR cycle
  • F25J1/0229 - Integration with a unit for using hydrocarbons
  • F25J1/0244 - Operation; Control and regulation; Instrumentation
  • F25J1/0249 - Controlling refrigerant inventory
  • F25J1/0258 - vertical layout of the equipments within in the cold box
  • F25J1/0262 - Details of the cold heat exchange system
  • F25J1/0292 - Refrigerant compression by cold or cryogenic suction of the refrigerant gas
  • F25J3/0209 - Natural gas or substitute natural gas
  • F25J3/0233 - separation of CnHm with 1 carbon atom or more
  • F25J2200/02 - in a single pressure main column system
  • F25J2200/30 - using a side column in a single pressure column system
  • F25J2200/74 - Refluxing the column with at least a part of the partially condensed overhead gas
  • F25J2205/04 - in the feed line
  • F25J2210/06 - Splitting of the feed stream
  • F25J2245/02 - Recycle of a stream in general
  • F25J2280/02 - Control in general, load changes, different modes ("runs"), measurements
  • F25J2290/32 - Details on header or distribution passages of heat exchangers
  • F25J2290/40 - Vertical layout or arrangement of cold equipments within in the cold box

• US Classifications

  • 062 - Refrigeration