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Extracting metals directly from metal oxides 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • C01G-043/00
출원번호 US-0552941 (1995-11-03)
발명자 / 주소
  • Wai Chien M. (Moscow ID) Smart Neil G. (Moscow ID) Phelps Cindy (Moscow ID)
출원인 / 주소
  • Idaho Research Foundation, Inc. (Moscow ID 02)
인용정보 피인용 횟수 : 28  인용 특허 : 0

초록

A method of extracting metals directly from metal oxides by exposing the oxide to a supercritical fluid solvent containing a chelating agent is described. Preferably, the metal is an actinide or a lanthanide. More preferably, the metal is uranium, thorium or plutonium. The chelating agent forms chel

대표청구항

A method for extracting a metal from a metal oxide, comprising exposing the metal oxide to a supercritical fluid solvent containing a chelating agent capable of donating a proton to the metal oxide, for a period of time sufficient for the chelating agent to form chelates with the metal, the chelates

이 특허를 인용한 특허 (28)

  1. DeSimone, Joseph M.; Birnbaum, Eva; Carbonell, Ruben G.; Crette, Stephanie; McClain, James B.; McCleskey, T. Mark; Powell, Kimberly R.; Romack, Timothy J.; Tumas, William, Carbon dioxide-soluble polymers and swellable polymers for carbon dioxide applications.
  2. Srinivas,Bollepalli, Conducting polymer-grafted carbon material for fuel cell applications.
  3. Srinivas,Bollepalli, Conducting polymer-grafted carbon material for fuel cell applications.
  4. Brown, Garth Desmond, Deposition of dispersed metal particles onto substrates using supercritical fluids.
  5. Wai Chien M. ; Smart Neil G. ; Lin Yuehe, Extraction of metals and/or metalloids from acidic media using supercritical fluids and salts.
  6. Wai Chien M. ; Laintz Kenneth E., Extraction of metals using supercritical fluid and chelate forming legand.
  7. Wai Chien M. ; Laintz Kenneth E., Fluid extraction.
  8. Bashkirtsev, Sergey Mikhailovich; Kuznetsov, Valentin Fedorovich; Kevrolev, Valery Vladimirovich; Morozov, Alexey Glebovich; Montgomery, Michael H., Fuel assembly.
  9. Bashkirtsev, Sergey Mikhailovich; Kuznetsov, Valentin Fedorovich; Kevrolev, Valery Vladimirovich; Morozov, Alexey Glebovich; Montgomery, Michael H., Fuel assembly.
  10. Bashkirtsev, Sergey Mikhailovich; Morozov, Alexey Glebovich; Totemeier, Aaron, Fuel assembly.
  11. Totemeier, Aaron; Bashkirtsev, Sergey M.; Morozov, Alexey G., Fuel assembly.
  12. Bashkirtsev, Sergey M.; Kuznetsov, Valentin F.; Kevrolev, Valery V.; Morozov, Alexey G., Light-water reactor fuel assembly (alternatives), a light-water reactor, and a fuel element of fuel assembly.
  13. Srinivas,Bollepalli, Metallized conducting polymer-grafted carbon material and method for making.
  14. Lehman, David L., Method and a system for removing particulates and toxic substances from an exhaust of an engine that use hydrocarbons as a fuel.
  15. Wai Chien M. ; Smart Neil G. ; Lin Yuehe, Method and apparatus for back-extracting metal chelates.
  16. Wai Chien M. ; Hunt Fred H. ; Smart Neil G.,GBX ; Lin Yuehe, Method and apparatus for dissociating metals from metal compounds extracted into supercritical fluids.
  17. Roberts, Christopher B.; Saunders, Steven R., Method and apparatus for physical separation of different sized nanostructures.
  18. Babain, Vassily A.; Murzin, Andrey A.; Smirnov, Igor V.; Starchenko, Vadim A.; Shadrin, Andrey Y.; Smart, Neil Graham, Method for removing inorganic matter from solid surfaces.
  19. Wai Chien M. ; Smart Neil G.,GBX ; Phelps Cindy, Method for separating metal chelates from other materials based on solubilities in supercritical fluids.
  20. Vail, Michael A., Methods of at least partially removing at least one interstitial constituent from a polycrystalline diamond body using a removing agent including a supercritical fluid component.
  21. Bashkirtsev, Sergey Mikhailovich; Kuznetsov, Valentin Fedorovich; Kevrolev, Valery Vladimirovich; Morozov, Alexei Glebovich; Montgomery, Michael H., Nuclear reactor (alternatives), fuel assembly of seed-blanket subassemblies for nuclear reactor (alternatives), and fuel element for fuel assembly.
  22. Bashkirtsev, Sergey Mikhailovich; Kuznetsov, Valentin Fedorovich; Kevrolev, Valery Vladimirovich; Morozov, Alexey Glebovich, Nuclear reactor (alternatives), fuel assembly of seed-blanket subassemblies for nuclear reactor (alternatives), and fuel element for fuel assembly.
  23. DeSimone Joseph M. ; Tumas William ; Powell Kimberly R. ; McCleskey T. Mark ; Romack Timothy J. ; McClain James B. ; Birnbaum Eva R., Polymers for metal extractions in carbon dioxide.
  24. Roberts, Christopher B.; McLeod, Marshall Chandler; Anand, Madhu, Selection of nanoparticles using CO2-expanded liquids.
  25. Srinivas,Bollepalli, Sulfonated carbonaceous materials.
  26. Bollepalli,Srinivas, Sulfonated conducting polymer-grafted carbon material for fuel cell applications.
  27. Bollepalli,Srinivas, Sulfonated conducting polymer-grafted carbon material for fuel cell applications.
  28. Wai,Chien M.; Enokida,Youichi, Ultrasound enhanced process for extracting metal species in supercritical fluids.
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