MEMBRANE SEPARATION IN BIOLOGICAL-REACTOR SYSTEMS

• US 3,472,765 A
• Filed: 06/10/1968
• Issued: 10/14/1969
• Est. Priority Date: 06/10/1968
• Status: Expired due to Term

• Current Assignee: Dorr-Oliver Incorporated (Susanne Klatten, MBA)
• Original Assignee: Robert W. Okey, William E. Budd
• Inventors: Budd, William E., Okey, Robert W.
• Application Number:
  US04/742,119
• Time in Patent Office: 491 Days
• US Class Current: 210/607
• CPC Class Codes: B01D 61/025 Reverse osmosis; Hyperfiltration
• CPC Class Codes: C02F 3/12 Activated sludge processes
• CPC Class Codes: C12M 29/18 External loop; Means for reintroduction of fermented biomass or liquid percolate loop type reactors for chemical or physical processes B01J19/2435
• CPC Class Codes: C12M 33/14 with filters, sieves or membranes
• CPC Class Codes: C12M 41/36 of biomass, e.g. colony counters or by turbidity measurements electrooptical investigation of individual particles G01N15/14, flow cytometers G01N15/1404
• CPC Class Codes: Y02W 10/10 Biological treatment of water, waste water, or sewage

Claims