3886758

Information

• Patent Grant
• 3886758

• References
• Source

• Patent Number

  3,886,758

• Date Filed

  Not available

• Date Issued

  Tuesday, June 3, 1975
  50 years ago

• CPC

  • F25J3/04266 - and being liquefied hydrocarbons
  • F17C9/04 - Recovery of thermal energy
  • F25J3/04018 - of main feed air
  • F25J3/04024 - of purified feed air, so-called boosted air
  • F25J3/04054 - of air
  • F25J3/0406 - of nitrogen
  • F25J3/0409 - of oxygen
  • F25J3/04145 - Mechanically coupling of different compressors of the air fractionation process to the same driver(s)
  • F25J3/04224 - Cores associated with a liquefaction or refrigeration cycle
  • F25J3/04309 - of nitrogen
  • F25J3/04315 - Lowest pressure or impure nitrogen, so-called waste nitrogen expansion
  • F25J3/04351 - of nitrogen
  • F25J3/044 - using a single pressure main column system only
  • F25J3/04412 - in a classical double column flowsheet
  • F17C2265/05 - Regasification
  • F25J2200/20 - in an elevated pressure multiple column system wherein the lowest pressure column is at a pressure well above the minimum pressure needed to overcome pressure drop to reject the products to atmosphere
  • F25J2200/76 - Refluxing the column with condensed overhead gas being cycled in a quasi-closed loop refrigeration cycle
  • F25J2205/02 - using simple phase separation in a vessel or drum
  • F25J2210/62 - Liquefied natural gas [LNG] Natural gas liquids [NGL] Liquefied petroleum gas [LPG]
  • F25J2230/04 - Compressor cooling arrangement
  • F25J2245/42 - the recycled stream being nitrogen
  • F25J2245/50 - the recycled stream being oxygen
  • F25J2270/08 - Internal refrigeration by flash gas recovery loop
  • F25J2270/904 - by liquid or gaseous cryogen in an open loop

• US Classifications

  • 062 - Refrigeration