3844946

Information

• Patent Grant
• 3844946

• References
• Source

• Patent Number

  3,844,946

• Date Filed

  Not available

• Date Issued

  Tuesday, October 29, 1974
  50 years ago

• CPC

  • C02F1/56 - Macromolecular compounds
  • B01D21/0018 - provided with a pump mounted in or on a settling tank
  • B01D21/0021 - provided with a jet pump
  • B01D21/01 - using flocculating agents
  • B01D21/02 - Settling tanks with single outlets for the separated liquid
  • B01D21/34 - Regulation of feed distribution Regulation of liquid level; Control of process parameters
  • C02F3/006 - Regulation methods for biological treatment
  • C02F3/1215 - Combinations of activated sludge treatment with precipitation, flocculation, coagulation and separation of phosphates
  • C02F3/1242 - Small compact installations for use in homes, apartment blocks, hotels or the like
  • C02F3/2886 - Two story combinations of the Imhoff tank type
  • E03D5/016 - with recirculation of bowl-cleaning fluid
  • B01D21/302 - Active control mechanisms with external energy
  • C02F2001/007 - Processes including a sedimentation step
  • C02F2103/005 - Black water originating from toilets
  • C02F2303/02 - Odour removal or prevention of malodour
  • Y02W10/15 - Aerobic processes

• US Classifications

  • 210 - Liquid purification or separation
  • 004 - Baths, closets, sinks, and spittoons