3654148

Information

• Patent Grant
• 3654148

• References
• Source

• Patent Number

  3,654,148

• Date Filed

  Not available

• Date Issued

  Tuesday, April 4, 1972
  52 years ago

• CPC

  • B01D61/08 - Apparatus therefor
  • B01D61/022 - comprising multiple reverse osmosis, hyperfiltration or nanofiltration steps
  • B01D65/02 - Membrane cleaning or sterilisation ; Membrane regeneration
  • B01D2321/04 - Backflushing
  • B01D2321/06 - Use of osmotic pressure
  • C02F1/445 - by forward osmosis
  • C02F2103/08 - Seawater

• US Classifications

  • 210 - Liquid purification or separation