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Process for removal of selenium and arsenic from aqueous streams 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • C02F-001/28
  • C02F-009/00
출원번호 US-0452034 (1995-05-26)
발명자 / 주소
  • Misra Manoranjan (Reno NV) Nayak Deba C. (Minneapolis MN)
출원인 / 주소
  • Board of Regents of the University and Community College Systems of Nevada (Reno NV 02)
인용정보 피인용 횟수 : 47  인용 특허 : 0

초록

A process for removing selenium and/or arsenic from aqueous streams including industrial process waters and drinking water is provided comprising contacting the stream with a composition comprising lanthanum oxide whereby selenium and/or arsenic are adsorbed. Preferred compositions comprise lanthanu

대표청구항

A process for removing at least one oxyanion selected from the group consisting of selenite, selenate, arsenite and arsenate from solution comprising: a) contacting said solution with a composition comprising lanthanum oxide whereby said oxyanion is adsorbed onto said composition to form an insolubl

이 특허를 인용한 특허 (47)

  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. Moore,Robert C.; Anderson,D. Richard, Arsenic removal from water.
  6. Shaniuk, Thomas J., Arsenic removal media.
  7. Burba, John, Composition and process for making the composition.
  8. Harck, John F.; Wilkis, Stephanie; Winters, Ivan, Composition and process for removing arsenic and selenium from aqueous solution.
  9. Maria Luisa Castro de Esparza PE, Composition for arsenic removal from ground water.
  10. Witham, Richard Donald; McNew, Edward Bayer; Burba, III, John Leslie, Composition for removing arsenic from aqueous streams.
  11. Burba, III, John L., Composition for treating a fluid.
  12. Gadgil, Ashok Jagannth, Compositions and methods for removing arsenic in water.
  13. Brady, Patrick V.; Khandaker, Nadim R.; Krumhansl, James L.; Teter, David M., In situ remediation process using divalent metal cations.
  14. Pugh, John D.; Redwine, James C.; Morris, David W., In-situ systems and methods for the immobilization of contaminants.
  15. Teter,David M.; Brady,Patrick V.; Krumhansl,James L., Inorganic ion sorbents.
  16. Teter,David M.; Brady,Patrick V.; Krumhansl,James L., Inorganic ion sorbents and methods for using the same.
  17. Kshirsagar, Manjiri T.; Hajime, Evan Koon Lun Yuuji; Rabins, Andrew W., Lanthanum-based concentration agents for microorganisms.
  18. Beswick, Colin; Shaniuk, Thomas, Media for the removal of heavy metals and volatile byproducts from drinking water.
  19. Webb, Cathleen Joyce; Davis, Arden Duane; Dixon, David John, Method and composition to reduce the amounts of arsenic in water.
  20. Roper, Jr.,Ralph E., Method for chemically stabilizing waste materials containing multivalent oxyanions.
  21. Gadgil, Ashok, Method of arsenic removal from water.
  22. Adams D. Jack ; Pickett Timothy M., Method of selenium removal.
  23. Centofanti Louis ; Self Randy ; Yarbrough Tommy W., Methods for removing selenium from a waste stream.
  24. Fuerstenau,Maurice C.; Misra,Manoranjan; Beck,Stefan, Passivation of sulfidic iron-containing rock.
  25. Burba, III, John L.; Oriard, Tim L., Process and apparatus for treating a gas containing a contaminant.
  26. Misra,Manoranjan; Mehta,Rajendra; Chen,Songyuan, Process for passivating sulfidic iron-containing rock.
  27. Misra Manoranjan ; Nanor Joseph ; Priyadarshan Gautam, Process for removal and stabilization of arsenic and selenium from aqueous streams and slurries.
  28. Witham, Richard Donald; McNew, Edward Bayer; Burba, III, John Leslie, Process for removing arsenic from aqueous streams.
  29. Witham,Richard Donald; McNew,Edward Bayer; Burba, III,John Leslie, Process for removing arsenic from aqueous streams.
  30. Witham,Richard Donald; McNew,Edward Bayer; Burba, III,John Leslie, Process for removing arsenic from drinking water.
  31. Dyke Charles A., Process for removing organic and inorganic contaminants from phenolic stripped sour water employing reverse omosis.
  32. Smith Paul K. ; Bergemann Eugene P., Process for removing selenium from selenium-containing waste streams.
  33. McNew,Edward Bayer; Witham,Richard Donald; Burba, III,John Leslie, Process using rare earths to remove oxyanions from aqueous streams.
  34. Cable, Robert; Hassler, Carl; Burba, John, Rare earth removal of hydrated and hydroxyl species.
  35. Grant Brian Douglas AU, Remediation material and remediation process for sediments.
  36. Psaras, Dimitrios; Gao, Yuan; Haneline, Mason; Lupo, Joseph; Landi, Carol, Removal of arsenic from aqueous streams with cerium (IV) oxide compositions.
  37. Misra,Manoranjan; Lenz,Peter, Removal of arsenic from drinking and process water.
  38. Johnson,Marvin; Lord, III,Charles J.; Reed,Larry E.; McCarley,Kenneth C.; Dodwell,Glenn W.; Cheung,Tin Tack Peter; Cruze,John; Anderson,Richard, Selenium removal process.
  39. Lord, III,Charles J.; Reed,Larry E., Selenium removal process.
  40. Stever, R. Russell; Urbonas, Ben R.; Jones, Jonathan E.; Earles, Andrew; Sarratt, Edward Scott; Schneider, Eric Richard; Phelps, Steven C., Stormwater treatment apparatus.
  41. Stever, R. Russell; Phelps, Stephen C., Stormwater treatment apparatus and method.
  42. Stever,R. Russell; Urbonas,Ben R.; Jones,Jonathan E.; Earles,Andrew; Sarratt,Edward Scott; Schneider,Eric Richard; Phelps,Steven C., Stormwater treatment apparatus and method.
  43. Wahid, M. Fazrie B. A., Sulfate molecule removal through inorganic or divalent ion nuclei seeding.
  44. Wahid, M. Fazrie B. A., Sulfate molecule removal through inorganic or divalent ion nuclei seeding.
  45. Moore, Robert C.; Anderson, D. Richard, System for removal of arsenic from water.
  46. Gadgil, Ashok, Treated bottom ash medium and method of arsenic removal from drinking water.
  47. Witham, Richard Donald; McNew, Edward Bayer; Burba, III, John Leslie, Water purification device for arsenic removal.
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