3398545

Information

• Patent Grant
• 3398545

• References
• Source

• Patent Number

  3,398,545

• Date Filed

  Not available

• Date Issued

  Tuesday, August 27, 1968
  56 years ago

• CPC

  • F25J1/0204 - as a single flow SCR cycle
  • C01B3/501 - by diffusion
  • F17C9/04 - Recovery of thermal energy
  • F25J1/001 - Hydrogen
  • F25J1/0052 - by vaporising a liquid refrigerant stream
  • F25J1/0072 - Nitrogen
  • F25J1/0221 - using the cold stored in an external cryogenic component in an open refrigeration loop
  • F25J1/0229 - Integration with a unit for using hydrocarbons
  • F25J1/0236 - providing refrigeration for different processes treating not the same feed stream
  • F25J1/0268 - using a dedicated refrigeration means
  • F25J3/0214 - Liquefied natural gas
  • F25J3/0219 - Refinery gas, cracking gas, coke oven gas, gaseous mixtures containing aliphatic unsaturated CnHm or gaseous mixtures of undefined nature
  • F25J3/0233 - separation of CnHm with 1 carbon atom or more
  • F25J3/0238 - separation of CnHm with 2 carbon atoms or more
  • F25J3/0242 - separation of CnHm with 3 carbon atoms or more
  • F25J3/0252 - separation of hydrogen
  • C01B2203/0405 - Purification by membrane separation
  • F17C2205/0323 - Valves
  • F17C2221/012 - Hydrogen
  • F17C2221/014 - Nitrogen
  • F17C2221/032 - Hydrocarbons
  • F17C2221/033 - Methane
  • F17C2221/035 - Propane butane
  • F17C2223/0153 - Liquefied gas
  • F17C2223/0161 - cryogenic
  • F17C2227/0135 - Pumps
  • F17C2227/0157 - Compressors
  • F17C2227/0393 - using a vaporiser
  • F17C2265/015 - by separating
  • F25J2200/80 - using integrated mass and heat exchange
  • F25J2205/30 - using a washing
  • F25J2210/12 - Refinery or petrochemical off-gas
  • F25J2210/62 - Liquefied natural gas [LNG] Natural gas liquids [NGL] Liquefied petroleum gas [LPG]
  • F25J2215/62 - Ethane or ethylene
  • F25J2215/64 - Propane or propylene
  • F25J2270/42 - Quasi-closed internal or closed external nitrogen refrigeration cycle
  • F25J2270/904 - by liquid or gaseous cryogen in an open loop
  • Y02E60/321 - Storage of liquefied, solidified, or compressed hydrogen in containers
  • Y10S62/932 - From natural gas

• US Classifications

  • 062 - Refrigeration
  • 095 - Gas separation: processes