3920505

Information

• Patent Grant
• 3920505

• References
• Source

• Patent Number

  3,920,505

• Date Filed

  Not available

• Date Issued

  Tuesday, November 18, 1975
  49 years ago

• CPC

  • C02F1/048 - Purification of waste water by evaporation
  • B01D1/14 - with heated gases or vapours or liquids in contact with the liquid
  • B01D1/16 - by spraying
  • B01D1/22 - by bringing a thin layer of the liquid into contact with a heated surface
  • C02F11/06 - by oxidation
  • D21C11/103 - Evaporation by direct contact with gases
  • Y02W10/40 - Valorisation of by-products of wastewater, sewage or sludge processing

• US Classifications

  • 159 - Concentrating evaporators