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System for removal of arsenic from water

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • C02F-009/00
출원번호 US-0025718 (2001-12-19)
발명자 / 주소
  • Moore, Robert C.
  • Anderson, D. Richard
출원인 / 주소
  • Sandia Corporation
대리인 / 주소
    Watson Robert D.
인용정보 피인용 횟수 : 18  인용 특허 : 16

초록

Systems for removing arsenic from water by addition of inexpensive and commonly available magnesium oxide, magnesium hydroxide, calcium oxide, or calcium hydroxide to the water. The hydroxide has a strong chemical affinity for arsenic and rapidly adsorbs arsenic, even in the presence of carbonate in

대표청구항

1. A water treatment system for reducing the concentration of arsenic in water below an acceptable level, comprising:means for adding magnesium hydroxide to the water;means for adsorbing arsenic on the magnesium hydroxide; andmeans for separating and removing from the water the magnesium hydroxide w

이 특허에 인용된 특허 (16)

  1. Yen Jeffrey H.-G. (Woolwich NJ), Hot lime precipitation of arsenic from wastewater or groundwater.
  2. Allgulin Torkel (Helsingborg SEX), Method for purifying aqueous solutions.
  3. Shaniuk Thomas J. ; Russo Robert V. ; Greene Arthur F., Method for removing arsenic from aqueous systems containing competing ions.
  4. O\Neill Gary A. (Plum Borough PA) Novak John W. (Murrysville PA) Martin Edward S. (New Kensington PA), Method for removing arsenic or selenium from an aqueous solution containing a substantial background of another contamin.
  5. Christian Joel B. (Towanda PA), Method for removing heavy metals from wastewater.
  6. El-Shoubary Youssef ; Seth Subash C. ; Speizer Ned A., Method for treating metal contaminated water.
  7. Ikeda Kenichi,JPX ; Asai Yuichi,JPX ; Arai Yuji,JPX, Method of treating waste water to remove harmful ion by coagulating sedimentation.
  8. Schuster Georg (Tegernheim DEX) Kaestle Hans (Laub DEX), Procedure for separating arsenic from waste material.
  9. Misra Manoranjan (Reno NV) Nayak Deba C. (Minneapolis MN), Process for removal of selenium and arsenic from aqueous streams.
  10. Liao Hsiang P. (Princeton NJ), Process for removing arsenic from aqueous mediums.
  11. Misra Manoranjan (Reno NV) Kravetz Mark E. (Cote Madera CA) Yang Kang (Reno NV) McNeel Thomas E. (Memphis TN), Process for the treatment of metal-containing water and recovery of metals therefrom.
  12. Yokose Mamoru,JPX ; Fujita Hiroshi,JPX ; Tao Koosoo,JPX ; Baba Hiroshi,JPX ; Kamiyoshi Hideki,JPX ; Shikai Ranko,JPX, Process for treating arsenic-containing waste water.
  13. Weir Donald R. (Fort Saskatchewan CAX) Masters Ian M. (Fort Saskatchewan CAX), Removal of arsenic from aqueous solutions.
  14. McMullen Jacques,CAX ; Tsu Wilson ; Kargel Reinhard,CAX, Removal of boron and fluoride from water.
  15. Wurzburger Stephen R. ; Overton James M., Treatment of contaminated waste water.
  16. Reyna Crispen, Wastewater treatment process.

이 특허를 인용한 특허 (18)

  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. Burba, John, Composition and process for making the composition.
  3. Witham, Richard Donald; McNew, Edward Bayer; Burba, III, John Leslie, Composition for removing arsenic from aqueous streams.
  4. Burba, III, John L., Composition for treating a fluid.
  5. O'Malley, Edward J.; Richard, Bennett M.; Huang, Tianping; Huang, Min, Filtration of dangerous or undesirable contaminants.
  6. Carner, William E., Method and system for recycling plastics.
  7. Burba, III, John L.; Oriard, Tim L., Process and apparatus for treating a gas containing a contaminant.
  8. Tomlinson, Marcus; Martinez, Teodoro; Hille, Simon, Process for separation of at least one metal sulfide from a mixed sulfide ore or concentrate.
  9. Cable, Robert; Hassler, Carl; Burba, John, Rare earth removal of hydrated and hydroxyl species.
  10. Crews, James B.; Huang, Tianping, Re-use of surfactant-containing fluids.
  11. Psaras, Dimitrios; Gao, Yuan; Haneline, Mason; Lupo, Joseph; Landi, Carol, Removal of arsenic from aqueous streams with cerium (IV) oxide compositions.
  12. Misra,Manoranjan; Lenz,Peter, Removal of arsenic from drinking and process water.
  13. Carner, William E., System and method for recycling plastics.
  14. Moore, Robert C.; Holt-Larese, Kathleen C.; Bontchev, Ranko, Use of MgO doped with a divalent or trivalent metal cation for removing arsenic from water.
  15. Moore, Robert C.; Larese, Kathleen Caroline; Bontchev, Ranko Panayotov, Use of MgO doped with a divalent or trivalent metal cation for removing arsenic from water.
  16. Huang, Tianping; Crews, James B., Wastewater purification with nanoparticle-treated bed.
  17. Huang, Tianping; Crews, James B., Wastewater purification with nanoparticle-treated bed.
  18. Witham, Richard Donald; McNew, Edward Bayer; Burba, III, John Leslie, Water purification device for arsenic removal.
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