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Process for removal and stabilization of arsenic and selenium from aqueous streams and slurries

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • C02F-001/52
출원번호 US-0124815 (1998-07-29)
발명자 / 주소
  • Misra Manoranjan
  • Nanor Joseph
  • Priyadarshan Gautam
출원인 / 주소
  • The Board of Regents of the University & Community College System of Nevada
대리인 / 주소
    Greenlee, Winner and Sullivan, P.C.
인용정보 피인용 횟수 : 35  인용 특허 : 7

초록

A process for removing or stabilizing arsenic and/or selenium from aqueous streams or slurries is provided that includes contacting the streams or slurry with a composition containing lanthanum chloride. The lanthanum chloride composition can optionally contain various lanthanides. The composition c

대표청구항

[We claim:] [1.]contacting said solution or slurry with a precipitating composition comprising lanthanum chloride whereby said ion forms a solid material comprising said precipitating composition and said ion; andseparating said solution or slurry from said solid material.

이 특허에 인용된 특허 (7)

  1. Mills Dudley John (30 Hutchison Crescent Kambah ; A.C.T. AUX), Composition for the treatment of swimming pool water.
  2. Marchant Wayne N. (Salt Lake City UT), Method for removing soluble selenium from acidic waste water.
  3. Puchalski Walter J. (Southampton PA), Paint spray booth detackification composition and method.
  4. Misra Manoranjan (Reno NV) Nayak Deba C. (Minneapolis MN), Process for removal of selenium and arsenic from aqueous streams.
  5. Baldwin Roger A. (Oklahoma City OK) Stauter John C. (Edmond OK) Kauffman Jim W. (Edmond OK) Laughlin William C. (Edmond OK), Process for the removal and recovery of selenium from aqueous solutions.
  6. Baldwin Roger A. (Warr Acres OK) Stauter John C. (Edmond OK) Terrell Donald L. (Edmond OK), Process for the removal of selenium from aqueous systems.
  7. Kleber Eugene V. (Woodland Hills CA) Recht Howard L. (Northridge CA), Removal of phosphate from waste water.

이 특허를 인용한 특허 (35)

  1. Burba, III, John L.; Hassler, Carl R.; O'Kelley, C. Brock; Lupo, Joseph A.; Pascoe, Joseph R., Apparatus for treating a flow of an aqueous solution containing arsenic.
  2. Misra, Manoranjan; Nanor, Joseph, Arsenic absorbing composition and methods of use.
  3. Misra, Manoranjan; Nanor, Joseph, Arsenic adsorbing composition and methods of use.
  4. Misra, Manoranjan; Nanor, Joseph, Arsenic adsorbing composition and methods of use.
  5. Burba, John, Composition and process for making the composition.
  6. Witham, Richard Donald; McNew, Edward Bayer; Burba, III, John Leslie, Composition for removing arsenic from aqueous streams.
  7. Burba, III, John L., Composition for treating a fluid.
  8. Gadgil, Ashok Jagannth, Compositions and methods for removing arsenic in water.
  9. Gore, Ashok Yeshwant; Schauer, Edward A.; Stewart, Matthew; Singh, Ramsharan, Lanthanum carbonate hydroxide, lanthanum oxycarbonate and methods of their manufacture and use.
  10. Gadgil, Ashok, Method of arsenic removal from water.
  11. Kulperger, Robert; Okun, Richard; Munford, Glenn, Methods and compositions using lanthanum for removing phosphate from water.
  12. Robert Kulperger ; Richard Okun ; Glenn Munford CA, Methods and compositions using lanthanum for removing phosphates from water.
  13. Fuerstenau,Maurice C.; Misra,Manoranjan; Beck,Stefan, Passivation of sulfidic iron-containing rock.
  14. Burba, III, John L.; Oriard, Tim L., Process and apparatus for treating a gas containing a contaminant.
  15. Misra,Manoranjan; Mehta,Rajendra; Chen,Songyuan, Process for passivating sulfidic iron-containing rock.
  16. Witham, Richard Donald; McNew, Edward Bayer; Burba, III, John Leslie, Process for removing arsenic from aqueous streams.
  17. Witham,Richard Donald; McNew,Edward Bayer; Burba, III,John Leslie, Process for removing arsenic from aqueous streams.
  18. Witham,Richard Donald; McNew,Edward Bayer; Burba, III,John Leslie, Process for removing arsenic from drinking water.
  19. Tomlinson, Marcus; Martinez, Teodoro; Hille, Simon, Process for separation of at least one metal sulfide from a mixed sulfide ore or concentrate.
  20. Luwang, Meitram Niraj; Ghosh, Debasish, Process for the detection and adsorption of arsenic.
  21. McNew,Edward Bayer; Witham,Richard Donald; Burba, III,John Leslie, Process using rare earths to remove oxyanions from aqueous streams.
  22. Moerck, Rudi E.; Spitler, Timothy Malcome; Schauer, Edward A.; Prochazka, Jan, Rare earth metal compositions for treating hyperphosphatemia and related methods.
  23. Moerck, Rudi E.; Spitler, Timothy Malcome; Schauer, Edward A.; Prochazka, Jan, Rare earth metal compounds, methods of making, and methods of using the same.
  24. Moerck, Rudi E.; Spitler, Timothy Malcome; Schauer, Edward A.; Prochazka, Jan, Rare earth metal compounds, methods of making, and methods of using the same.
  25. Moerck, Rudi E.; Spitler, Timothy Malcome; Schauer, Edward A; Prochazka, Jan, Rare earth metal compounds, methods of making, and methods of using the same.
  26. Cable, Robert; Hassler, Carl; Burba, John, Rare earth removal of hydrated and hydroxyl species.
  27. Van Geen,Alexander, Reagents for arsenic meter.
  28. Psaras, Dimitrios; Gao, Yuan; Haneline, Mason; Lupo, Joseph; Landi, Carol, Removal of arsenic from aqueous streams with cerium (IV) oxide compositions.
  29. Misra,Manoranjan; Lenz,Peter, Removal of arsenic from drinking and process water.
  30. Santina, Peter F., Removal of contaminants from water.
  31. Santina, Peter F., Removal of contaminants from water.
  32. Santina, Peter F., Removal of selenium from coal mining runoff water.
  33. Gadgil, Ashok, Treated bottom ash medium and method of arsenic removal from drinking water.
  34. Nichols, Everett J.; Scott, James R.; Williams, Jeffrey F.; Chen, Yongjun, Use of a dual polymer system for enhanced water recovery and improved separation of suspended solids and other substances from an aqueous media.
  35. Witham, Richard Donald; McNew, Edward Bayer; Burba, III, John Leslie, Water purification device for arsenic removal.
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