3813889

Information

• Patent Grant
• 3813889

• References
• Source

• Patent Number

  3,813,889

• Date Filed

  Not available

• Date Issued

  Tuesday, June 4, 1974
  50 years ago

• CPC

  • F25J3/0209 - Natural gas or substitute natural gas
  • B01D53/18 - Absorbing units Liquid distributors therefor
  • C01B3/506 - at low temperatures
  • C01B23/0036 - Physical processing only
  • F25J3/0223 - H2/CO mixtures
  • F25J3/0252 - separation of hydrogen
  • F25J3/0257 - separation of nitrogen
  • F25J3/0261 - separation of carbon monoxide
  • F25J3/029 - of helium
  • F25J3/0295 - Start-up or control of the process; Details of the apparatus used
  • F25J2200/90 - Details relating to column internals
  • F25J2205/30 - using a washing
  • F25J2205/40 - using hybrid system
  • F25J2205/60 - using adsorption on solid adsorbents
  • F25J2245/02 - Recycle of a stream in general
  • 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
  • F25J2270/24 - Quasi-closed internal or closed external carbon monoxide refrigeration cycle
  • F25J2290/42 - Modularity, pre-fabrication of modules, assembling and erection, horizontal layout, i.e. plot plan, and vertical arrangement of parts of the cryogenic unit
  • Y02C20/20 - of methane
  • Y10S62/92 - Carbon monoxide
  • Y10S62/933 - From helium

• US Classifications

  • 062 - Refrigeration