3805537

Information

• Patent Grant
• 3805537

• References
• Source

• Patent Number

  3,805,537

• Date Filed

  Not available

• Date Issued

  Tuesday, April 23, 1974
  51 years ago

• CPC

  • F25J3/0219 - Refinery gas, cracking gas, coke oven gas, gaseous mixtures containing aliphatic unsaturated CnHm or gaseous mixtures of undefined nature
  • C01B23/00 - Noble gases Compounds thereof
  • C01C1/0476 - Purge gas treatment
  • F25J3/0252 - separation of hydrogen
  • F25J3/0257 - separation of nitrogen
  • F25J3/0285 - of argon
  • F25J3/029 - of helium
  • F25J2200/70 - Refluxing the column with a condensed part of the feed stream
  • F25J2200/74 - Refluxing the column with at least a part of the partially condensed overhead gas
  • F25J2200/76 - Refluxing the column with condensed overhead gas being cycled in a quasi-closed loop refrigeration cycle
  • F25J2205/04 - in the feed line
  • F25J2205/30 - using a washing
  • F25J2205/40 - using hybrid system
  • F25J2205/60 - using adsorption on solid adsorbents
  • F25J2210/20 - H2/N2 mixture
  • F25J2215/04 - Recovery of liquid products
  • F25J2235/60 - the fluid being (a mixture of) hydrocarbons
  • F25J2240/12 - the fluid being nitrogen
  • F25J2270/02 - Internal refrigeration with liquid vaporising loop
  • F25J2270/04 - Internal refrigeration with work-producing gas expansion loop
  • F25J2270/42 - Quasi-closed internal or closed external nitrogen refrigeration cycle
  • Y10S62/933 - From helium

• US Classifications

  • 062 - Refrigeration