3702525

Information

• Patent Grant
• 3702525

• References
• Source

• Patent Number

  3,702,525

• Date Filed

  Not available

• Date Issued

  Tuesday, November 14, 1972
  52 years ago

• CPC

  • C01C1/0476 - Purge gas treatment
  • B01D53/047 - Pressure swing adsorption
  • B01D53/34 - Chemical or biological purification of waste gases
  • C01B3/56 - by contacting with solids Regeneration of used solids
  • B01D53/0446 - Means for feeding or distributing gases
  • B01D2253/102 - Carbon
  • B01D2253/108 - Zeolites
  • B01D2253/1124 - Metal oxides
  • B01D2253/116 - Molecular sieves other than zeolites
  • B01D2256/16 - Hydrogen
  • B01D2257/406 - Ammonia
  • B01D2259/40015 - with two sub-steps
  • B01D2259/40052 - Recycled product or process gas
  • B01D2259/40062 - Four
  • B01D2259/40081 - Counter-current
  • B01D2259/403 - using three beds
  • B01D2259/4141 - within a single bed
  • C01B2203/043 - Regenerative adsorption process in two or more beds, one for adsorption, the other for regeneration
  • C01B2203/0465 - Composition of the impurity
  • C01B2203/048 - the impurety being an organic compound

• US Classifications

  • 095 - Gas separation: processes
  • 096 - Gas separation: apparatus