3915691

Information

• Patent Grant
• 3915691

• References
• Source

• Patent Number

  3,915,691

• Date Filed

  Not available

• Date Issued

  Tuesday, October 28, 1975
  49 years ago

• CPC

  • F26B17/023 - the material being a slurry or paste, which adheres to a moving belt-like endless conveyor for drying thereon, from which it may be removed in dried state
  • C02F1/56 - Macromolecular compounds
  • C02F11/121 - Processes for mechanical dehydration of sludge
  • C02F11/14 - with addition of chemical agents
  • C02F11/18 - by thermal conditioning
  • C02F11/123 - using belt or band filters
  • C02F11/126 - using drum filters
  • C02F2101/20 - Heavy metals or heavy metal compounds
  • C02F2101/206 - Manganese or manganese compounds
  • C02F2101/22 - Chromium or chromium compounds
  • C02F2209/02 - Temperature

• US Classifications

  • 419 - Powder metallurgy processes
  • 264 - Plastic and nonmetallic article shaping or treating: processes