3788477

Information

• Patent Grant
• 3788477

• References
• Source

• Patent Number

  3,788,477

• Date Filed

  Not available

• Date Issued

  Tuesday, January 29, 1974
  51 years ago

• CPC

  • C02F3/1215 - Combinations of activated sludge treatment with precipitation, flocculation, coagulation and separation of phosphates
  • B01D21/00 - Separation of suspended solid particles from liquids by sedimentation
  • B01D21/0087 - Settling tanks provided with means for ensuring a special flow pattern
  • B01D21/12 - with moving scrapers
  • B01D21/14 - with rotating scrapers
  • B01D21/16 - provided with flocculating compartments
  • B01D21/24 - Feed or discharge mechanisms for settling tanks
  • B01D21/2427 - The feed or discharge opening located at a distant position from the side walls
  • C02F1/5281 - Installations for water purification using chemical agents
  • C02F3/12 - Activated sludge processes
  • C02F3/1257 - Oxidation ditches
  • Y02W10/15 - Aerobic processes

• US Classifications

  • 210 - Liquid purification or separation